NPPES file of Aug 9, 2026

Davidson H. Hamer, MD

Infectious Disease Physician · Boston, MA

Davidson H. Hamer, MD is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1790741841, issued on Apr 25, 2006. Check the license (Massachusetts 73333, 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
1790741841
Name
Davidson H. Hamer
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
73333 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Albany Street, Boston, MA 02118
Phone
(617) 414-4290
Enumerated
Apr 25, 2006
Record last updated
Jun 5, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(617) 414-4285
Medicaid ID
110049026A MA
Medicare enrollment
Enrolled (PECOS I20050408001041); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1987
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 725 Albany Street

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

  1. Salah Abdelgadir, MDInfectious Disease Physician1891280954
  2. Bhraana Abraham, PAPhysician Assistant1649963661
  3. Afolarin Amodu, M.D.Nephrology Physician1194196410
  4. Archana Asundi, M.D.Infectious Disease Physician1417319013
  5. Alexandra Bachorik, M.D.Internal Medicine Physician1962883173
  6. Cecily Barber, MD, MPHObstetrics & Gynecology Physician1144754284

Verify Davidson H. Hamer 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 73333
    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

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86% fewer Medicare Part D claims than the average infectious disease physician in 2024

97 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Davidson Hamer97
  2. Specialty average689

Most prescribed

  1. Genvoya12 claims
  2. Losartan Potassium12 claims
  3. Naproxen12 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.

Industry payments in 2024: $30,888.61

17 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Davidson Hamer$30,889
  2. Specialty average$4,362

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Evans Medical Foundation IncBoston, MA

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

Davidson H. Hamer among 487 infectious disease physician records in Massachusetts

Davidson H. Hamer, MD is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 47% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1987 · median 2003 among the 296 with a school on file
  • Record last updated2014 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Massachusetts

There are 487 infectious disease physician records in Massachusetts.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Tamar Barlam, M.D.Boston, MA 021181588636328
  2. M. Barry, M.D.Boston, MA 021181205811668
  3. Philip Carling, M.D.Boston, MA 021181760447296
  4. David Coleman, MDBoston, MA 021181649252305
  5. Deborah Cotton, M.D.Boston, MA 021181235115320
  6. Christopher Gill, M.D., MSBoston, MA 021181831156611
  7. Charles Horsburgh, M.D.Boston, MA 021181497731210
  8. Robin Ingalls, M.D.Boston, MA 021181073590808

Common questions

What is Davidson H. Hamer, MD's NPI number?

Davidson H. Hamer, MD's National Provider Identifier (NPI) is 1790741841, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Davidson H. Hamer, MD located?

The NPPES record lists a practice address at 725 Albany Street, Boston, MA, 02118. Phone: (617) 414-4290. Providers update this record themselves, so call before visiting.

How can I verify Davidson H. Hamer, MD's license?

NPPES lists Massachusetts license number 73333, 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 Davidson H. Hamer, MD prescribe under Medicare Part D?

In 2024, Davidson H. Hamer, MD had 97 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.