Teresa R. Corcoran, MD
Internal Medicine Physician · Harwich Port, MA
Teresa R. Corcoran, MD is an internal medicine physician with a practice address in Harwich Port, Massachusetts, and NPI 1093880411, issued on Nov 21, 2006. Check the license (Massachusetts 77702, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Teresa R. Corcoran
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 77702 MA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Main St, Harwich Port, MA 02646
- Phone
- (508) 432-1400
- Enumerated
- Nov 21, 2006
- Record last updated
- Dec 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (508) 430-2333
- Medicaid ID
- 3117791 MA
- Medicare enrollment
- Enrolled (PECOS I20050616000987); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 710 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Szuciak, PA-CMedical Physician Assistant1629545041
Verify Teresa R. Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 77702Check 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
899 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril57 claims
- Levothyroxine Sodium45 claims
- Omeprazole41 claims
- Hydrochlorothiazide31 claims
- Metoprolol Succinate31 claims
- Simvastatin30 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
- Outer Cape Health Services IncHarwich Port, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa R. Corcoran among 6,825 internal medicine physician records in Massachusetts
Teresa R. Corcoran, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1987 · median 2004 among the 4,103 with a school on file
- Record last updated2018 · 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).
1 internal medicine physician record lists a practice address in Harwich Port
They are 1 of the 51 NPPES records with a practice address in Harwich Port, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Harwich Port → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alice Barton, MDHarwich, MA 026451558355016
- Jane Craig, M.D.Harwich, MA 026451952461402
- Paul Dolinsky, MDHarwich, MA 026451942212998
- Mary Romeyn, M.D.Harwich, MA 026451205941275
- Eldad Rosenthal, MDHarwich, MA 026451124036751
- Katrin Sadigh, M.D.Harwich, MA 026451770928681
- John Shackelford, DOHarwich, MA 026451598724072
- Robert Cohen, M.D.Mashpee, MA 026491548226319
Common questions
What is Teresa R. Corcoran, MD's NPI number?
Teresa R. Corcoran, MD's National Provider Identifier (NPI) is 1093880411, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Teresa R. Corcoran, MD located?
The NPPES record lists a practice address at 710 Main St, Harwich Port, MA, 02646. Phone: (508) 432-1400. Providers update this record themselves, so call before visiting.
How can I verify Teresa R. Corcoran, MD's license?
NPPES lists Massachusetts license number 77702, 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 Teresa R. Corcoran, MD prescribe under Medicare Part D?
In 2024, Teresa R. Corcoran, MD had 899 Medicare Part D claims for 268 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.