Martin Werner Hartkopf, MD
Internal Medicine Physician · Framingham, MA
Martin Werner Hartkopf, MD is an internal medicine physician with a practice address in Framingham, Massachusetts, and NPI 1851821284, issued on Jun 18, 2017. Check the license (Massachusetts 272680, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Martin Werner Hartkopf
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 272680 MA
Self-reported in NPPES; status is on the state search - Practice location
- 115 Lincoln St, Framingham, MA 01702
- Phone
- (508) 383-1000
- Enumerated
- Jun 18, 2017
- Record last updated
- Mar 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201001000292); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 115 Lincoln St
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Verify Martin Werner Hartkopf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 272680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
558 Medicare Part D claims for 196 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 35 claims were for opioids.
Most prescribed
- Pantoprazole Sodium37 claims
- Prednisone28 claims
- Albuterol Sulfate Hfa26 claims
- Amoxicillin-Clavulanate Potass22 claims
- Amlodipine Besylate18 claims
- Metoprolol Succinate18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sturdy Health IncAttleboro, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martin Werner Hartkopf among 6,825 internal medicine physician records in Massachusetts
Martin Werner Hartkopf, 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 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).
93 internal medicine physician records list a practice address in Framingham
They are 93 of the 3,069 NPPES records with a practice address in Framingham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Framingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bean, MDFramingham, MA 017021447266408
- Joseph Harrington, MDFramingham, MA 017021346204419
- Stephen Hoffmann, MDFramingham, MA 017021295736494
- Li-Ming Hu, MDFramingham, MA 017021811952930
- Shahnaz Montague, M.D.Framingham, MA 017021457308249
- Timothy Odonnell, MDFramingham, MA 017021346206091
- Irma Rasmussen, MDFramingham, MA 017021144287236
- Eduardo Ribeiro, MDFramingham, MA 017021649256751
Common questions
What is Martin Werner Hartkopf, MD's NPI number?
Martin Werner Hartkopf, MD's National Provider Identifier (NPI) is 1851821284, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Martin Werner Hartkopf, MD located?
The NPPES record lists a practice address at 115 Lincoln St, Framingham, MA, 01702. Phone: (508) 383-1000. Providers update this record themselves, so call before visiting.
How can I verify Martin Werner Hartkopf, MD's license?
NPPES lists Massachusetts license number 272680, 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 Martin Werner Hartkopf, MD prescribe under Medicare Part D?
In 2024, Martin Werner Hartkopf, MD had 558 Medicare Part D claims for 196 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Martin Werner Hartkopf, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.