Black or African AmericanHealthcare DisparitiesMultiple Myeloma
Dr. Michelle Alyssa Quan, MD
NPI1386272722
- Medicare services, 2024
- 160
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 67
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Quan'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.
Dr. Michelle Alyssa Quan is an internist in San Diego, California
Dr. Quan practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Quan's NPI, 1386272722, was assigned on March 31, 2020. Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2020. Dr. Quan holds California license A176447.
NPI and contact details
- NPI
- 1386272722NPI Registry (opens in a new tab)
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michelle Alyssa Quan practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Quan's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michelle Alyssa Quan is affiliated with 2 sites of care and 2 medical groups
Dr. Quan's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Quan is also affiliated with Hillcrest Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Quan to 1 more medical group, named with a free account.
UCSD Hillcrest Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michelle Alyssa Quan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Quan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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. Quan 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. Michelle Alyssa Quan is one of 16,751 internists in California
Internal medicine is Dr. Quan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Quan is board certified in internal medicine by the American Board of Internal Medicine. Dr. Quan is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists bursitis, chronic diabetes, chronic hypertension, high cholesterol, joint arthropathy, low blood pressure, lower back pain and mobility impairment among the conditions Dr. Quan treats.
Internists near Dr. Quan
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. Michelle Alyssa Quan billed Medicare for 160 services in 2024
CMS data shows 160 Medicare services from Dr. Quan across 5 procedure codes in 2024, for 120 Medicare patients. Medicare paid $11,098 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024160
Medicare patients120
Paid by Medicare$11,098
Procedure codes5
Dr. Quan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 462024: 160248%
Dr. Quan compared with the California median for internists, 2024
- Dr. Quan
- California median
- Medicare services
- 160vs 36156% below
- Medicare patients
- 120vs 15121% below
- Part D claims
- 250vs 42141% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Quan'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.
Need commercial claims for Dr. Quan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Quan and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michelle Alyssa Quan treated 120 Medicare patients in 2024, average age 73
CMS counts 120 Medicare patients who saw Dr. Quan in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 52% are also on Medicaid. Their average risk score is 2.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Quan's median patient age at 62, with 63% women.
Medicare patients, 2024120
Average age73
Average risk score2.59
Also on Medicaid52%
Dr. Quan's Medicare patients by age, 2024
Dr. Quan's Medicare patients by sex, 2024
- Women6353%
- Men5748%
Chronic conditions among Dr. Quan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Chronic kidney disease48%
- Arthritis46%
- Mood disorders46%
- Depression41%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Quan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women63%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michelle Alyssa Quan wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Quan wrote 67 Medicare Part D claims for 21 patients. 84% of them were for generic drugs. They cover 14 drugs, with $22,346 in total drug cost. In 2022, CMS named 216 claims across 11 drugs.
Part D claims, 202467
Drugs named by CMS14
Total drug cost$22,346
Part D patients21
Dr. Quan's Part D claims by kind of drug, 2024
- Generic56 claims84%
- Brand-name11 claims16%
Dr. Quan's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2162023: 25016%
Drugs named by CMS: 14 in 2023, 11 in 2022.
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
For MedTech and pharma teams
Find internists like Dr. Quan 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. Michelle Alyssa Quan has 2 publications on record
Dmand AI links 2 papers to Dr. Quan in 2024. Dr. Quan's most frequent co-authors are Kwan-Keat Ang, Joshua L. Hoerger, MD and Brooks T. Kuhn, MD.
Papers2
Dr. Quan's most frequent co-authors
Recent publications by Dr. Quan
J Investig Med High Impact Case Rep
CoughCOVID-19Dyspnea
See who Dr. Quan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Quan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michelle Alyssa Quan received $258 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. Quan from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $229.
General payments to Dr. Quan by program year, 2023 to 2025
Companies that paid Dr. Quan the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michelle Alyssa Quan graduated from David Geffen School of Medicine at UCLA
Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Michelle Alyssa Quan accepts plans from 7 insurance carriers
Dr. Quan is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- NV State Medicaid
Plan types Dr. Quan accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michelle Alyssa Quan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michelle Alyssa Quan
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. Michelle Alyssa Quan's NPI number?
Dr. Michelle Alyssa Quan's NPI number is 1386272722. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Michelle Alyssa Quan?
Dr. Michelle Alyssa Quan is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michelle Alyssa Quan practice?
Dr. Quan practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Quan's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Quan to 1 medical group.
What is Dr. Michelle Alyssa Quan's office phone number?
The practice phone on file for Dr. Quan is (619) 543-6222.
What is Dr. Michelle Alyssa Quan's medical license number?
Dr. Quan holds California license A176447.
Which hospitals is Dr. Michelle Alyssa Quan affiliated with?
Dr. Quan is affiliated with Hillcrest Medical Center.
What medical group is Dr. Michelle Alyssa Quan part of?
Dr. Quan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Quan to 1 more medical group.
Does Dr. Michelle Alyssa Quan accept Medicare?
Yes. CMS data shows Dr. Quan billed Medicare for 160 services in 2024.
How many Medicare patients does Dr. Michelle Alyssa Quan see?
CMS counts 120 Medicare patients who saw Dr. Quan in 2024, with an average age of 73.
Is Dr. Michelle Alyssa Quan board certified?
Yes. Dr. Quan is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Michelle Alyssa Quan bill to Medicare?
In 2024, Dr. Quan's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and hospital inpatient care (99222).
Where did Dr. Michelle Alyssa Quan go to medical school?
Dr. Quan graduated from David Geffen School of Medicine at UCLA in 2020.
What drugs does Dr. Michelle Alyssa Quan prescribe most?
In 2023 Medicare Part D data, Dr. Quan's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Gabapentin.
Has Dr. Michelle Alyssa Quan received payments from drug or device companies?
CMS Open Payments shows $258 in general payments to Dr. Quan from 2 companies from 2023 to 2025. The largest total came from Amgen Inc.
How long has Dr. Michelle Alyssa Quan been practicing?
Dr. Quan graduated from medical school in 2020, 6 years ago.
Does Dr. Michelle Alyssa Quan do research?
Dmand AI links 2 publications to Dr. Quan.
Who does Dr. Michelle Alyssa Quan publish with?
Dr. Quan's most frequent co-authors are Kwan-Keat Ang (1 shared paper), Joshua L. Hoerger, MD (1 shared paper) and Brooks T. Kuhn, MD (1 shared paper).
What insurance does Dr. Michelle Alyssa Quan accept?
Dr. Quan is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare 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