Michael C. Ennis, M.D.
Family Medicine Physician · Worcester, MA
Michael C. Ennis, M.D. is a family medicine physician with a practice address in Worcester, Massachusetts, and NPI 1861482663, issued on Oct 24, 2005. Check the license (Massachusetts 53353, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael C. Ennis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 53353 MA
Self-reported in NPPES; status is on the state search - Practice location
- 279 Lincoln St, Worcester, MA 01605
- Phone
- (508) 334-8830
- Enumerated
- Oct 24, 2005
- Record last updated
- Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (508) 334-8835
- Medicaid ID
- 3006131 MA
- Medicare enrollment
- Enrolled (PECOS I20050329000684); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 279 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Judson Brewer, MDPsychiatry Physician1851315840
Verify Michael C. Ennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family medicine physician in 2024
1,216 Medicare Part D claims for 96 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium135 claims
- Lisinopril96 claims
- Hydrochlorothiazide56 claims
- Losartan Potassium51 claims
- Albuterol Sulfate Hfa47 claims
- Metformin Hcl42 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Ennis among 2,265 family medicine physician records in Massachusetts
Michael C. Ennis, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1983 · median 2006 among the 1,529 with a school on file
- Record last updated2020 · 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).
168 family medicine physician records list a practice address in Worcester
They are 168 of the 13,166 NPPES records with a practice address in Worcester, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Worcester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Adler, M.D.Worcester, MA 016051083697841
- Katharine Barnard, M.D.Worcester, MA 016051326023425
- James Broadhurst, M.D.Worcester, MA 016051457334351
- Gina D'Ottavio, M.D.Worcester, MA 016051114902038
- Gerald Gleich, M.D.Worcester, MA 016051962485722
- Jeremy Golding, M.D.Worcester, MA 016051407838378
- Lisa Gordon, MDWorcester, MA 016051861478984
- Jasen Gundersen, M.D.Worcester, MA 016051881677789
Common questions
What is Michael C. Ennis, M.D.'s NPI number?
Michael C. Ennis, M.D.'s National Provider Identifier (NPI) is 1861482663, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Ennis, M.D. located?
The NPPES record lists a practice address at 279 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-8830. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Ennis, M.D.'s license?
NPPES lists Massachusetts license number 53353, 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 C. Ennis, M.D. prescribe under Medicare Part D?
In 2024, Michael C. Ennis, M.D. had 1,216 Medicare Part D claims for 96 beneficiaries; 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.