Dr. Karen Yungjoo Whang, MD

  • Menlo Park, CA
  • General surgeon
NPI1477668622PAC ID4183783814
Medicare services, 2024
178
Medicare patients, 2024
100
Part D claims, 2024
68
Publications
4
Hospital affiliations
2
Practice address
1300 Crane St, Menlo Park, CA 94025
Practice phone
Call (650) 498-6530
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Menlo Medical Clinic - Menlo Park (Crane St)

Mammography / Breast Imaging Center · Menlo Park, California

See all 7 affiliations

Find Dr. Whang'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. Karen Yungjoo Whang is a general surgeon in Menlo Park, California

Dr. Whang practices at Menlo Medical Clinic - Menlo Park (Crane St) in Menlo Park, California.

Dr. Whang's NPI, 1477668622, was assigned on August 20, 2006. Dr. Whang graduated from Lewis Katz School of Medicine in 1994. Dr. Whang holds California license A69272.

NPI and contact details
Medicare PAC ID
4183783814
NPI enumeration date
August 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 498-6530
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
58
Medical school graduation
1994

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

Dr. Karen Yungjoo Whang practices at Menlo Medical Clinic - Menlo Park (Crane St) in Menlo Park, California

Dr. Whang's primary practice is Menlo Medical Clinic - Menlo Park (Crane St), at 1300 Crane St, Menlo Park, CA 94025. The practice phone is (650) 498-6530.

  • Menlo Medical Clinic - Menlo Park (Crane St)
    1300 Crane St, Menlo Park, CA 94025Phone(650) 498-6530

Source: Dmand AI Affiliation Data

Dr. Karen Yungjoo Whang is affiliated with 5 sites of care and 2 medical groups

Dr. Whang's primary practice is Menlo Medical Clinic - Menlo Park (Crane St) in Menlo Park, California. Dr. Whang is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Whang to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Whang's employer is on file too: a breast imaging center.

See all 7 affiliations for Dr. Whang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Karen Yungjoo Whang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whang practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Menlo Medical Clinic - Menlo Park (Crane St)Available with a free account
+4 more sites and 1 medical groupAvailable 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. Whang 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. Karen Yungjoo Whang is one of 2,926 general surgeons in California

Surgery is Dr. Whang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Whang is board certified in surgery by the American Board of Surgery. Dr. Whang is licensed in California.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A69272 · 1999 to 2027 · taxonomy 208600000X

Clinical focus

Dmand AI lists hemorrhoids among the conditions Dr. Whang treats.

General surgeons near Dr. Whang

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

2,926general surgeons in California
2general surgeons in Menlo Park

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

Dr. Karen Yungjoo Whang billed Medicare for 178 services in 2024

CMS data shows 178 Medicare services from Dr. Whang across 7 procedure codes in 2024, for 100 Medicare patients. Medicare paid $14,108 for them. Every service was in an office.

Medicare services, 2024178
Medicare patients100
Paid by Medicare$14,108
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 512024: 149192%
Other services
2023: 02024: 29

Dr. Whang compared with the California median for general surgeons, 2024

  • Dr. Whang
  • California median
Medicare services
178vs 1667% above
Medicare patients
100vs 12117% below
Part D claims
28vs 3418% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Whang'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. Whang

Need commercial claims for Dr. Whang?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Whang and other general surgeons in California.

Book a meeting

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

Dr. Karen Yungjoo Whang treated 100 Medicare patients in 2024, average age 76

CMS counts 100 Medicare patients who saw Dr. Whang in 2024. The largest group is 75 to 84, with 48 patients. 74% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Whang's median patient age at 57, with 53% women.

Medicare patients, 2024100
Average age76
Average risk score0.96

Dr. Whang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Whang's Medicare patients by sex, 2024

  • Women4545%
  • Men5555%

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

  1. High cholesterol74%
  2. High blood pressure68%
  3. Arthritis40%
  4. Cancer25%
  5. Ischemic heart disease22%
  6. Anxiety19%
  7. Osteoporosis19%
  8. Atrial fibrillation17%

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

Dr. Whang's patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women53%
  • Men45%

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

Dr. Karen Yungjoo Whang wrote 68 Medicare Part D claims in 2024

In 2024, Dr. Whang wrote 68 Medicare Part D claims for 41 patients. 94% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $209 in total drug cost. In 2018, CMS named 12 claims across 1 drug.

Part D claims, 202468
Drugs named by CMS2
Total drug cost$209
Part D patients41

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

  • Generic64 claims94%
  • Brand-name and other4 claims6%

Dr. Whang'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. Whang's Part D claims, 2024

  • Antibiotics22%15 of 68 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, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 122024: 28133%

Drugs named by CMS: 2 in 2024, 1 in 2018.

See all prescribing by Dr. Whang

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. Karen Yungjoo Whang ranks in the 72nd percentile for hernia repair (minimally invasive) in Medicare

Dr. Whang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Whang as offering telehealth. CMS counts 11 procedures of hernia repair (minimally invasive) by Dr. Whang, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Whang ranks in Medicare procedure volume

Hernia repair (minimally invasive)
72nd percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Whang 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. Karen Yungjoo Whang has 4 publications on record

Dmand AI links 4 papers to Dr. Whang in 2001. The most frequent topics are Laparoscopy, Bile Ducts and Esophageal Achalasia. Dr. Whang's most frequent co-authors are Crystine M. Lee, MD and Daniela Molena, MD.

Papers4

Topics Dr. Whang writes about most

  • Laparoscopy
  • Bile Ducts
  • Esophageal Achalasia
  • Fundoplication
  • Manometry
  • Radiography

Dr. Whang's most frequent co-authors

Recent publications by Dr. Whang

See all 4 publications and co-authors

See who Dr. Whang researches with

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

How network discovery works

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

Dr. Karen Yungjoo Whang received $5,340 in industry payments from 2016 to 2025

CMS Open Payments shows 10 general payments to Dr. Whang from 1 drug or device company from 2016 to 2025. Education make up the largest share, 98% of the total. Intuitive Surgical, Inc. paid the most, $5,340.

General payments to Dr. Whang by program year, 2016 to 2025

General payments to Dr. Whang by kind, 2016 to 2025

$5.3Kin total
  • Education$5,25098%
  • Food and beverage$902%

Companies that paid Dr. Whang the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Whang

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

Dr. Karen Yungjoo Whang has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Whang, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Whang

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Karen Yungjoo Whang graduated from Lewis Katz School of Medicine

Dr. Whang graduated from Lewis Katz School of Medicine in 1994. Dr. Whang is a member of ACS.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Karen Yungjoo Whang accepts plans from 5 insurance carriers

Dr. Whang is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Whang accepts, by number of carriers

  1. HMO3
  2. POS3
  3. EPO2
  4. Medicare2
  5. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Karen Yungjoo Whang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
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)Doctors and Clinicians Utilization Data (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. Karen Yungjoo Whang

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. Karen Yungjoo Whang's NPI number?

Dr. Karen Yungjoo Whang's NPI number is 1477668622. It was assigned on August 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Karen Yungjoo Whang?

Dr. Karen Yungjoo Whang is a general surgeon in Menlo Park, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Karen Yungjoo Whang practice?

Dr. Whang practices at 1300 Crane St, Menlo Park, CA 94025. Dr. Whang's primary practice is Menlo Medical Clinic - Menlo Park (Crane St) in Menlo Park, California. Dmand AI also links Dr. Whang to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Karen Yungjoo Whang's office phone number?

The practice phone on file for Dr. Whang is (650) 498-6530.

What is Dr. Karen Yungjoo Whang's medical license number?

Dr. Whang holds California license A69272.

Which hospitals is Dr. Karen Yungjoo Whang affiliated with?

Dr. Whang is affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Whang to 1 more hospital.

What medical group is Dr. Karen Yungjoo Whang part of?

Dr. Whang is linked to Stanford Medicine Partners. Dmand AI links Dr. Whang to 1 more medical group.

Does Dr. Karen Yungjoo Whang accept Medicare?

Yes. CMS data shows Dr. Whang billed Medicare for 178 services in 2024, and Dr. Whang accepts Medicare assignment.

Does Dr. Karen Yungjoo Whang offer telehealth?

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

How many Medicare patients does Dr. Karen Yungjoo Whang see?

CMS counts 100 Medicare patients who saw Dr. Whang in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Karen Yungjoo Whang board certified?

Yes. Dr. Whang is board certified in surgery by the American Board of Surgery.

What services does Dr. Karen Yungjoo Whang bill to Medicare?

In 2024, Dr. Whang's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99204) and office visit, established patient (99213).

Where did Dr. Karen Yungjoo Whang go to medical school?

Dr. Whang graduated from Lewis Katz School of Medicine in 1994.

What drugs does Dr. Karen Yungjoo Whang prescribe most?

In 2024 Medicare Part D data, Dr. Whang's most prescribed drugs by claims were Mupirocin and Gabapentin.

Has Dr. Karen Yungjoo Whang received payments from drug or device companies?

CMS Open Payments shows $5,340 in general payments to Dr. Whang from 1 company from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Karen Yungjoo Whang been practicing?

Dr. Whang graduated from medical school in 1994, 32 years ago.

Does Dr. Karen Yungjoo Whang do research?

Dmand AI links 4 publications to Dr. Whang.

Who does Dr. Karen Yungjoo Whang publish with?

Dr. Whang's most frequent co-authors are Crystine M. Lee, MD (2 shared papers) and Daniela Molena, MD (2 shared papers).

What insurance does Dr. Karen Yungjoo Whang accept?

Dr. Whang is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.

Selling to surgery practices?

See general surgeons 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)