NPPES file of Aug 9, 2026

Daniel P. Gaposchkin, M.D/PH.D.

Internal Medicine Physician · Wellesley, MA

Daniel P. Gaposchkin, M.D/PH.D. is an internal medicine physician with a practice address in Wellesley, Massachusetts, and NPI 1821194879, issued on Sep 16, 2006. Check the license (Massachusetts 222235, 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
1821194879
Name
Daniel P. Gaposchkin
Credential
M.D/PH.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
222235 MA
Self-reported in NPPES; status is on the state search
Practice location
70 Hastings St Ste 200, Wellesley, MA 02481
Phone
(781) 772-8400
Enumerated
Sep 16, 2006
Record last updated
Jul 15, 2026
Fax
(781) 772-5600
Medicaid ID
2081245 MA
Medicare enrollment
Enrolled (PECOS I20040915001053); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
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 70 Hastings St Ste 200

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

  1. Julie Coffey, NPAdult Health Nurse Practitioner1023249190
  2. Nancy Haff, MDInternal Medicine Physician1922411867

Verify Daniel P. Gaposchkin 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 222235
    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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89% more Medicare Part D claims than the average internal medicine physician in 2024

5,988 Medicare Part D claims for 502 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 100 claims were for opioids.

  1. Daniel Gaposchkin5,988
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium550 claims
  2. Metoprolol Succinate287 claims
  3. Amlodipine Besylate252 claims
  4. Levothyroxine Sodium248 claims
  5. Losartan Potassium204 claims
  6. Omeprazole202 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

  1. Massachusetts General Physicians Organization IncBoston, MA

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

Daniel P. Gaposchkin among 6,825 internal medicine physician records in Massachusetts

Daniel P. Gaposchkin, M.D/PH.D. 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
  • Graduated2001 · median 2004 among the 4,103 with a school on file
  • Record last updated2026 · 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).

81 internal medicine physician records list a practice address in Wellesley

They are 81 of the 1,117 NPPES records with a practice address in Wellesley, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mitchell Abramson, M.D.Wellesley Hills, MA 024811417952284
  2. Dea Angiolillo, M.D.Wellesley, MA 024811649241985
  3. Mary Barker, M.D.Wellesley, MA 024811215908132
  4. Peter Britton, M.D.Wellesley, MA 024811184695082
  5. Mary Brogan, M.D.Wellesley, MA 024811912987454
  6. Carol Burd, M.D.Wellesley, MA 024811114998036
  7. Nancy Corliss, MDWellesley, MA 024811699763482
  8. Steven Flier, M.D.Wellesley, MA 024811013905751

Common questions

What is Daniel P. Gaposchkin, M.D/PH.D.'s NPI number?

Daniel P. Gaposchkin, M.D/PH.D.'s National Provider Identifier (NPI) is 1821194879, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Daniel P. Gaposchkin, M.D/PH.D. located?

The NPPES record lists a practice address at 70 Hastings St Ste 200, Wellesley, MA, 02481. Phone: (781) 772-8400. Providers update this record themselves, so call before visiting.

How can I verify Daniel P. Gaposchkin, M.D/PH.D.'s license?

NPPES lists Massachusetts license number 222235, 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 Daniel P. Gaposchkin, M.D/PH.D. prescribe under Medicare Part D?

In 2024, Daniel P. Gaposchkin, M.D/PH.D. had 5,988 Medicare Part D claims for 502 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.