Tammy C. Harris, M.D.
Family Medicine Physician · Southborough, MA
Tammy C. Harris, M.D. is a family medicine physician with a practice address in Southborough, Massachusetts, and NPI 1851319677, issued on Jul 18, 2006. Check the license (Massachusetts 53037, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Tammy C. Harris
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 53037 MA
Self-reported in NPPES; status is on the state search - Practice location
- 24 Newton St, Southborough, MA 01772
- Phone
- (508) 460-3250
- Enumerated
- Jul 18, 2006
- Record last updated
- Jan 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (508) 460-3223
- Medicaid ID
- 3043142 MA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 24 Newton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tammy C. Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
39 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis12 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: $130.41
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 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.
Tammy C. Harris among 2,265 family medicine physician records in Massachusetts
Tammy C. Harris, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Southborough
They are 4 of the 481 NPPES records with a practice address in Southborough, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Southborough → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Leslie Caraceni, M.D.Southborough, MA 017721295829521
- Patrick Guadiz, MDSouthborough, MA 017721023091766
- Usha Rallapalli, M.D.Southborough, MA 017721629203591
- Samantha Mekrut, MDSherborn, MA 017701386850428
- Tania Bandak, MDWayland, MA 017781134102064
- Hila Hoch, MDWayland, MA 017781588907265
- Kimberley Arouyan, FNP-CNatick, MA 017601316731474
- Kathryn Donesa-Zuzak, M.D.Natick, MA 017601629024617
Common questions
What is Tammy C. Harris, M.D.'s NPI number?
Tammy C. Harris, M.D.'s National Provider Identifier (NPI) is 1851319677, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tammy C. Harris, M.D. located?
The NPPES record lists a practice address at 24 Newton St, Southborough, MA, 01772. Phone: (508) 460-3250. Providers update this record themselves, so call before visiting.
How can I verify Tammy C. Harris, M.D.'s license?
NPPES lists Massachusetts license number 53037, 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 Tammy C. Harris, M.D. prescribe under Medicare Part D?
In 2024, Tammy C. Harris, M.D. had 39 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.