Dr. Stephanie Knabe Bui, MD

  • Monterey Park, CA
  • Internist
NPI1609806744PAC ID6002707213
Medicare services, 2024
70
Medicare patients, 2024
53
Part D claims, 2024
672
Publications
4
MIPS score, 2024
88
Practice address
221 Westwood Plz, Los Angeles, CA 90095
Practice phone
Call (310) 825-4073
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

The Regents Of The University Of California - Los Angeles (Westwood Plz)

Multi-specialty group site · Los Angeles, California

Find Dr. Bui's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Stephanie Knabe Bui is an internist in Monterey Park, California

Dr. Bui practices at The Regents Of The University Of California - Los Angeles (Westwood Plz) in Los Angeles, California.

Dr. Bui's NPI, 1609806744, was assigned on July 4, 2006. Dr. Bui graduated from Perelman School of Medicine - Philadelphia in 1999. Dr. Bui holds California license C54228.

NPI and contact details
Medicare PAC ID
6002707213
NPI enumeration date
July 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 825-4073
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Stephanie Knabe Bui practices in Los Angeles and Monterey Park

Dr. Bui's primary practice is The Regents of the University of California - Los Angeles (Westwood Plz), at 221 Westwood Plz, Los Angeles, CA 90095. The practice phone is (310) 825-4073. The NPI Registry lists Dr. Bui's practice address as 210 N Garfield Ave, Monterey Park, CA 91754.

  • The Regents of the University of California - Los Angeles (Westwood Plz)Primary
    221 Westwood Plz, Los Angeles, CA 90095Phone(310) 825-4073
  • NPI Registry address
    210 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(310) 825-4073

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Stephanie Knabe Bui is affiliated with 1 site of care and 1 medical group

Dr. Bui's primary practice is The Regents Of The University Of California - Los Angeles (Westwood Plz) in Los Angeles, California. The medical group on file is UCLA Medical Group.

The Regents Of The University Of California - Los Angeles (Westwood Plz)Multi-specialty group site · Los Angeles, CaliforniaPrimary
UCLA Medical GroupPrimary care group, Los Angeles, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Stephanie Knabe Bui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bui practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
The Regents Of The University Of California - Los Angeles (Westwood Plz)Available with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Bui practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Stephanie Knabe Bui is one of 16,751 internists in California

Internal medicine is Dr. Bui's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bui is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Bui's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense C54228 · 2010 to 2026 · taxonomy 207R00000X
  • Pennsylvania licenseLicense MD421877 · 2003 to 2010

Clinical focus

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, aortic atherosclerois, bronchitis, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Bui treats.

Internists near Dr. Bui

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stephanie Knabe Bui billed Medicare for 70 services in 2024

CMS data shows 70 Medicare services from Dr. Bui across 4 procedure codes in 2024, for 53 Medicare patients. Medicare paid $2,710 for them. Every service was in an office.

Medicare services, 202470
Medicare patients53
Paid by Medicare$2,710
Procedure codes4

Dr. Bui's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2252024: 4182%
Other services
2023: 1242024: 1687%
Surgery
2023: 352024: 1363%
Lab and pathology
2023: 152024: 0100%
Tests and treatments
2023: 672024: 0100%

Dr. Bui compared with the California median for internists, 2024

  • Dr. Bui
  • California median
Medicare services
70vs 36181% below
Medicare patients
53vs 15165% below
Part D claims
390vs 4217% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Bui's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Bui

Need commercial claims for Dr. Bui?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bui and other internists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stephanie Knabe Bui treated 53 Medicare patients in 2024, average age 73

CMS counts 53 Medicare patients who saw Dr. Bui in 2024. The largest group is 65 to 74, with 29 patients. 68% of them have high cholesterol, and 47% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bui's median patient age at 42, with 75% women.

Medicare patients, 202453
Average age73
Average risk score0.94

Dr. Bui's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Bui's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure47%
  3. Arthritis45%
  4. Osteoporosis34%
  5. Cancer26%
  6. Depression21%
  7. Mood disorders21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Bui's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women75%
  • Men24%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Stephanie Knabe Bui wrote 672 Medicare Part D claims in 2024

In 2024, Dr. Bui wrote 672 Medicare Part D claims for 148 patients. 93% of them were for generic drugs. CMS names the drug for 390 of them, across 15 drugs with 11 or more claims each, at $3,595 in total drug cost. In 2023, CMS named 1,278 claims across 41 drugs.

Part D claims, 2024672
Drugs named by CMS15
Total drug cost$3,595
Part D patients148

Dr. Bui's Part D claims by kind of drug, 2024

  • Generic622 claims93%
  • Brand-name50 claims7%

Dr. Bui's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Bui's Part D claims, 2024

  • Antibiotics2%11 of 672 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,2782024: 39069%

Drugs named by CMS: 15 in 2024, 41 in 2023.

See all prescribing by Dr. Bui

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Stephanie Knabe Bui scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Bui for performance year 2024, reported as part of a group. Dr. Bui accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bui as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Bui's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find internists like Dr. Bui by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Stephanie Knabe Bui has 4 publications on record

Dmand AI links 4 papers to Dr. Bui, published from 2003 to 2005. The most frequent topics are Adrenal Glands, Pro-Opiomelanocortin and Adrenocorticotropic Hormone. Dr. Bui has published most often in Endocrinology.

Papers4
Years published2003 to 2005

Topics Dr. Bui writes about most

  • Adrenal Glands
  • Pro-Opiomelanocortin
  • Adrenocorticotropic Hormone
  • Corticosterone
  • Homozygote
  • Mice, Mutant Strains

Recent publications by Dr. Bui

See all 4 publications and co-authors

See who Dr. Bui researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bui works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Stephanie Knabe Bui received $305 in industry payments from 2016 to 2018

CMS Open Payments shows 4 general payments to Dr. Bui from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $126.

General payments to Dr. Bui by program year, 2016 to 2018

Companies that paid Dr. Bui the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Bui

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stephanie Knabe Bui has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Bui, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Bui

  1. 2013
    • CMS Stage 1 EHR
    • Top Doctors:LA Area
  2. 2012
    • Top Doctors:Southern California

Source: Dmand AI Professional Profile Data

Dr. Stephanie Knabe Bui graduated from Perelman School of Medicine - Philadelphia

Dr. Bui graduated from Perelman School of Medicine - Philadelphia in 1999.

  1. Medical schoolPerelman School of Medicine - Philadelphia
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Stephanie Knabe Bui accepts plans from 6 insurance carriers

Dr. Bui is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans

Plan types Dr. Bui accepts, by number of carriers

  1. PPO5
  2. Medicare4
  3. HMO3
  4. POS2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Stephanie Knabe Bui's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stephanie Knabe Bui

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stephanie Knabe Bui's NPI number?

Dr. Stephanie Knabe Bui's NPI number is 1609806744. It was assigned on July 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephanie Knabe Bui?

Dr. Stephanie Knabe Bui is an internist in Monterey Park, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Stephanie Knabe Bui practice?

Dr. Bui practices at 221 Westwood Plz, Los Angeles, CA 90095. Dr. Bui also practices at 210 N Garfield Ave, Monterey Park, CA 91754. Dr. Bui's primary practice is The Regents Of The University Of California - Los Angeles (Westwood Plz) in Los Angeles, California.

What is Dr. Stephanie Knabe Bui's office phone number?

The practice phone on file for Dr. Bui is (310) 825-4073.

What is Dr. Stephanie Knabe Bui's medical license number?

Dr. Bui holds California license C54228, one of the licenses on file in 2 states.

Which states has Dr. Stephanie Knabe Bui been licensed in?

Dmand AI has state licenses on file for Dr. Bui in California (2010 to 2026) and Pennsylvania (2003 to 2010).

What medical group is Dr. Stephanie Knabe Bui part of?

Dr. Bui is linked to UCLA Medical Group.

Does Dr. Stephanie Knabe Bui accept Medicare?

Yes. CMS data shows Dr. Bui billed Medicare for 70 services in 2024, and Dr. Bui accepts Medicare assignment.

Does Dr. Stephanie Knabe Bui offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Bui as offering telehealth services.

What is Dr. Stephanie Knabe Bui's MIPS score?

Dr. Bui's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Stephanie Knabe Bui see?

CMS counts 53 Medicare patients who saw Dr. Bui in 2024, with an average age of 73.

Is Dr. Stephanie Knabe Bui board certified?

Yes. Dr. Bui is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Stephanie Knabe Bui bill to Medicare?

In 2024, Dr. Bui's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and surgery: heart and blood vessels (36415).

Where did Dr. Stephanie Knabe Bui go to medical school?

Dr. Bui graduated from Perelman School of Medicine - Philadelphia in 1999.

What drugs does Dr. Stephanie Knabe Bui prescribe most?

In 2024 Medicare Part D data, Dr. Bui's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Levothyroxine Sodium.

Has Dr. Stephanie Knabe Bui received payments from drug or device companies?

CMS Open Payments shows $305 in general payments to Dr. Bui from 4 companies from 2016 to 2018. The largest total came from W. L. Gore & Associates, Inc.

How long has Dr. Stephanie Knabe Bui been practicing?

Dr. Bui graduated from medical school in 1999, 27 years ago.

Does Dr. Stephanie Knabe Bui do research?

Dmand AI links 4 publications to Dr. Bui, published from 2003 to 2005.

What insurance does Dr. Stephanie Knabe Bui accept?

Dr. Bui is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)