Michael G. Hamrock, MD
Internal Medicine Physician · West Roxbury, MA
Michael G. Hamrock, MD is an internal medicine physician with a practice address in West Roxbury, Massachusetts, and NPI 1538156880, issued on Oct 3, 2005. Check the license (Massachusetts 153780, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael G. Hamrock
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 153780 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Centre St, West Roxbury, MA 02132
- Phone
- (617) 327-0700
- Enumerated
- Oct 3, 2005
- Record last updated
- Mar 11, 2025
- Fax
- (617) 327-6558
- Medicaid ID
- 3183840 MA
- Medicare enrollment
- Enrolled (PECOS I20090428000365); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 2020 Centre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sumaiya AfrozMental Health Counselor1083085716
- Christina AthineosMental Health Counselor1699144626
- Claire Bonafaccia, MSWMental Health Counselor1558493411
- Cheryl Borrelli, RNClinical Social Worker1447386495
- Suzanne Brown, LICSWClinical Social Worker1134198385
- Tanisha CatuleMental Health Counselor1285093278
Verify Michael G. Hamrock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 153780Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
877 Medicare Part D claims for 73 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone353 claims
- Atorvastatin Calcium39 claims
- Albuterol Sulfate Hfa31 claims
- Quetiapine Fumarate28 claims
- Fluticasone Propionate20 claims
- Lisinopril19 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: $76.13
3 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Bmc Affiliated Physicians, Inc.Brockton, MA
- Steward St Elizabeths Medical Center OF Boston IncBrighton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael G. Hamrock among 6,825 internal medicine physician records in Massachusetts
Michael G. Hamrock, MD 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
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 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).
31 internal medicine physician records list a practice address in West Roxbury
They are 31 of the 849 NPPES records with a practice address in West Roxbury, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in West Roxbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Bergeron, MDBoston, MA 021321316931355
- Jeralyn Cremone, MDWest Roxbury, MA 021321194711739
- Eric Garshick, M.D.West Roxbury, MA 021321114964749
- Eric Hanson, M.D.West Roxbury, MA 021321891718532
- Brian Hoffman, M.D.West Roxbury, MA 021321437110426
- Yelena Kamenker-Orlov, M.D., PH.D.West Roxbury, MA 021321457390601
- Anand Kartha, M.D,, M.SCWest Roxbury, MA 021321457361727
- Rosemary MehlWest Roxbury, MA 021321609825587
Common questions
What is Michael G. Hamrock, MD's NPI number?
Michael G. Hamrock, MD's National Provider Identifier (NPI) is 1538156880, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael G. Hamrock, MD located?
The NPPES record lists a practice address at 2020 Centre St, West Roxbury, MA, 02132. Phone: (617) 327-0700. Providers update this record themselves, so call before visiting.
How can I verify Michael G. Hamrock, MD's license?
NPPES lists Massachusetts license number 153780, 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 Michael G. Hamrock, MD prescribe under Medicare Part D?
In 2024, Michael G. Hamrock, MD had 877 Medicare Part D claims for 73 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.