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Michelle Ahn
NPI1124482062PAC ID8123313772
- Medicare services, 2024
- 84
- Medicare patients, 2024
- 63
- Part D claims, 2024
- 45
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Michelle Ahn is an internist in Boston, Massachusetts
Michelle Ahn practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Michelle Ahn's NPI, 1124482062, was assigned on April 6, 2016. Michelle Ahn graduated from University of Pittsburgh School of Medicine in 2016. Michelle Ahn holds Massachusetts license 278451.
NPI and contact details
- NPI
- 1124482062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123313772
- NPI enumeration date
- April 6, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michelle Ahn practices at Massachusetts General Hospital in Boston, Massachusetts
Michelle Ahn's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Michelle Ahn is affiliated with 2 sites of care and 3 medical groups
Michelle Ahn's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Michelle Ahn to 2 more medical groups and 1 community health center, each named with a free account.
Massachusetts General Physicians Organization (MGPO)2 medical groupsNames with a free account1 community health centerName with a free account
See all 5 affiliations for Michelle AhnSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michelle Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michelle Ahn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Michelle Ahn is one of 5,528 internists in Massachusetts
Internal medicine is Michelle Ahn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Michelle Ahn is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Michelle Ahn
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
5,528internists in Massachusetts1,712internists in Boston446internists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Michelle Ahn billed Medicare for 84 services in 2024
CMS data shows 84 Medicare services from Michelle Ahn across 2 procedure codes in 2024, for 63 Medicare patients. Medicare paid $8,710 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202484
Medicare patients63
Paid by Medicare$8,710
Procedure codes2
Michelle Ahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3042024: 8472%
Michelle Ahn compared with the Massachusetts median for internists, 2024
- Michelle Ahn
- Massachusetts median
- Medicare services
- 84vs 43181% below
- Medicare patients
- 63vs 19468% below
- Part D claims
- 26vs 40294% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Michelle Ahn'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michelle Ahn treated 63 Medicare patients in 2024, average age 77
CMS counts 63 Medicare patients who saw Michelle Ahn in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 3.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michelle Ahn's median patient age at 80, with 50% women.
Medicare patients, 202463
Average age77
Average risk score3.17
Also on Medicaid35%
Michelle Ahn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michelle Ahn's Medicare patients by sex, 2024
- Women2641%
- Men3759%
Chronic conditions among Michelle Ahn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease73%
- Heart failure68%
- Anxiety62%
- Ischemic heart disease59%
- Arthritis57%
- Diabetes57%
Share of Medicare patients with each condition. A patient can have several.
Michelle Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michelle Ahn wrote 45 Medicare Part D claims in 2024
In 2024, Michelle Ahn wrote 45 Medicare Part D claims for 11 patients. 84% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $347 in total drug cost.
Part D claims, 202445
Drugs named by CMS2
Total drug cost$347
Part D patients11
Michelle Ahn's Part D claims by kind of drug, 2024
- Generic38 claims84%
- Brand-name and other7 claims16%
Michelle Ahn's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Michelle Ahn takes part in Medicare
Michelle Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Michelle Ahn has 2 publications on record
Dmand AI links 2 papers to Michelle Ahn in 2019. 2019 was the busiest year, with 2. Michelle Ahn's most frequent co-authors are Grace Milad Felix, MD and Cynthia L. Sears, MD.
Papers2
Michelle Ahn's most frequent co-authors
Recent publications by Michelle Ahn
See who Michelle Ahn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michelle Ahn works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Michelle Ahn graduated from University of Pittsburgh School of Medicine
Michelle Ahn graduated from University of Pittsburgh School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michelle Ahn'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Michelle Ahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michelle Ahn's NPI number?
Michelle Ahn's NPI number is 1124482062. It was assigned on April 6, 2016, and it is active in the NPI Registry.
What does Michelle Ahn specialize in?
Michelle Ahn is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Michelle Ahn practice?
Michelle Ahn practices at 55 Fruit Street, Boston, MA 02114. Michelle Ahn's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Michelle Ahn to 2 medical groups and 1 community health center.
What is Michelle Ahn's office phone number?
The practice phone on file for Michelle Ahn is (617) 726-2000.
What is Michelle Ahn's medical license number?
Michelle Ahn holds Massachusetts license 278451.
Which hospitals is Michelle Ahn affiliated with?
Michelle Ahn practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Michelle Ahn part of?
Michelle Ahn is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Michelle Ahn to 2 more medical groups.
Does Michelle Ahn accept Medicare?
Yes. CMS data shows Michelle Ahn billed Medicare for 84 services in 2024, and Michelle Ahn accepts Medicare assignment.
How many Medicare patients does Michelle Ahn see?
CMS counts 63 Medicare patients who saw Michelle Ahn in 2024, with an average age of 77.
What services does Michelle Ahn bill to Medicare?
In 2024, Michelle Ahn's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Show 5 more questionsShow fewer questions
Where did Michelle Ahn go to medical school?
Michelle Ahn graduated from University of Pittsburgh School of Medicine in 2016.
What drugs does Michelle Ahn prescribe most?
In 2017 Medicare Part D data, Michelle Ahn's most prescribed drugs by claims were Levothyroxine Sodium and Alendronate Sodium.
How long has Michelle Ahn been practicing?
Michelle Ahn graduated from medical school in 2016, 10 years ago.
Does Michelle Ahn do research?
Dmand AI links 2 publications to Michelle Ahn.
Who does Michelle Ahn publish with?
Michelle Ahn's most frequent co-authors are Grace Milad Felix, MD (1 shared paper) and Cynthia L. Sears, MD (1 shared paper).
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