NPPES file of Aug 9, 2026

Aaron Mann, M.D.

Internal Medicine Physician · Boston, MA

Aaron Mann, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1720130420, issued on Jan 16, 2007. Check the license (Massachusetts 229022, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720130420
Name
Aaron Mann
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
229022 MA
Self-reported in NPPES; status is on the state search
Practice location
75 Francis St, Boston, MA 02115
Phone
(617) 732-5845
Enumerated
Jan 16, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120313000276); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 75 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
  2. Emily Aaronson, M.D.Emergency Medicine Physician1962791558
  3. Sarah Abbett, M.D.Anesthesiology Physician1902097736
  4. Christine Abbott, NPAdult Health Nurse Practitioner1851471940
  5. Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
  6. Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867

Verify Aaron Mann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 229022
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% more Medicare Part D claims than the average internal medicine physician in 2024

6,074 Medicare Part D claims for 372 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 42 claims were for opioids.

  1. Aaron Mann6,074
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium546 claims
  2. Amlodipine Besylate402 claims
  3. Omeprazole222 claims
  4. Lisinopril207 claims
  5. Metoprolol Succinate202 claims
  6. Metformin Hcl201 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Brigham And Womens Hospital IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aaron Mann among 6,825 internal medicine physician records in Massachusetts

Aaron Mann, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2006 · median 2004 among the 4,103 with a school on file
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marcy Carty, MD, MPHBoston, MA 021151326038928
  2. Peter Doyle, M.D.Boston, MA 021151770573487
  3. Pracha Eamranond, M.D.Boston, MA 021151073501656
  4. Mark Friedberg, M.D.Boston, MA 021151437149184
  5. Jaye Hefner, MDBoston, MA 021151053384867
  6. Allen Kachalia, MD JDBoston, MA 021151346231982
  7. Daniel Kuritzkes, MDBoston, MA 021151114917416
  8. Sylvia McKean, MDBoston, MA 021151316938954

Common questions

What is Aaron Mann, M.D.'s NPI number?

Aaron Mann, M.D.'s National Provider Identifier (NPI) is 1720130420, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Mann, M.D. located?

The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 732-5845. Providers update this record themselves, so call before visiting.

How can I verify Aaron Mann, M.D.'s license?

NPPES lists Massachusetts license number 229022, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aaron Mann, M.D. prescribe under Medicare Part D?

In 2024, Aaron Mann, M.D. had 6,074 Medicare Part D claims for 372 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.