NPPES file of Aug 9, 2026

Alexander R. Green, MD MPH

Internal Medicine Physician · Boston, MA

Alexander R. Green, MD MPH is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1548251853, issued on Nov 4, 2005. Check the license (Massachusetts 219265, 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
1548251853
Name
Alexander R. Green
Credential
MD MPH
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
219265 MA
Self-reported in NPPES; status is on the state search
Practice location
15 Parkman St, Boston, MA 02114
Phone
(617) 724-0909
Enumerated
Nov 4, 2005
Record last updated
Aug 13, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
2027402 MA
Medicare enrollment
Enrolled (PECOS I20040330001341); may accept Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1994
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 15 Parkman St

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

  1. Kate AdelettiPhysical Therapist1134247059
  2. Haitham Alabsi, DONeurology Physician1538587803
  3. Jonathan Alpert, MD PHDPsychiatry Physician1508857863
  4. Anthony Amato, MDNeurology Physician1124009881
  5. Maura Ament, PT DPTPhysical Therapist1629194386
  6. Sara Anderson, DPTPhysical Therapist1073924254

Verify Alexander R. Green 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 219265
    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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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

211 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alexander Green211
  2. Specialty average3,176

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. Family Health Center OF Worcester, Inc.Worcester, MA

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

Alexander R. Green among 6,825 internal medicine physician records in Massachusetts

Alexander R. Green, MD MPH 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1994 · median 2004 among the 4,103 with a school on file
  • Record last updated2012 · 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. Jaime Chang, MDBoston, MA 021141205825197
  2. Jeffrey Engelman, MD PHDBoston, MA 021141538159108
  3. James Evans, MDBoston, MA 021141215939533
  4. Nicolette Fontaine, MDBoston, MA 021141841287174
  5. Nancy Gagliano, MDBoston, MA 021141881680767
  6. Patricia Gibbons, MDBoston, MA 021141619967221
  7. Steven Hersch, MDBoston, MA 021141174512149
  8. Mira Kautzky, M.D.Boston, MA 021141972505402

Common questions

What is Alexander R. Green, MD MPH's NPI number?

Alexander R. Green, MD MPH's National Provider Identifier (NPI) is 1548251853, issued on Nov 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alexander R. Green, MD MPH located?

The NPPES record lists a practice address at 15 Parkman St, Boston, MA, 02114. Phone: (617) 724-0909. Providers update this record themselves, so call before visiting.

How can I verify Alexander R. Green, MD MPH's license?

NPPES lists Massachusetts license number 219265, 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 Alexander R. Green, MD MPH prescribe under Medicare Part D?

In 2024, Alexander R. Green, MD MPH had 211 Medicare Part D claims for 72 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.