Mark Jeffrey Shankman, MD
Internal Medicine Physician · Waltham, MA
Mark Jeffrey Shankman, MD is an internal medicine physician with a practice address in Waltham, Massachusetts, and NPI 1629028709, issued on May 11, 2006. Check the license (Massachusetts 49116, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Jeffrey Shankman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 49116 MA
Self-reported in NPPES; status is on the state search - Practice location
- 9 Hope Ave, Waltham, MA 02453
- Phone
- (617) 243-5590
- Enumerated
- May 11, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 9 Hope Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alyssa Barzach, M.S., CCC-SLPSpeech-Language Pathologist1003691874
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Verify Mark Jeffrey Shankman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 49116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
13 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Mark Jeffrey Shankman among 6,825 internal medicine physician records in Massachusetts
Mark Jeffrey Shankman, 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 fileNo · 60% of these records are
- 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).
32 internal medicine physician records list a practice address in Waltham
They are 32 of the 2,111 NPPES records with a practice address in Waltham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Waltham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Denise Basow, M.D.Waltham, MA 024531609883255
- Edward Busick, M.D.Waltham, MA 024531467436931
- Rebecca Connor, M.D.Waltham, MA 024531598880379
- Barry Ehrlich, M.D.Waltham, MA 024531710934047
- Daniel Horn, MDWaltham, MA 024531780903971
- Wissam Khoory, M.D.Waltham, MA 024531013962430
- Henry Merola, M.D.Waltham, MA 024531902963986
- Hadia Tirmizi, M.D.Waltham, MA 024531235124249
Common questions
What is Mark Jeffrey Shankman, MD's NPI number?
Mark Jeffrey Shankman, MD's National Provider Identifier (NPI) is 1629028709, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jeffrey Shankman, MD located?
The NPPES record lists a practice address at 9 Hope Ave, Waltham, MA, 02453. Phone: (617) 243-5590. Providers update this record themselves, so call before visiting.
How can I verify Mark Jeffrey Shankman, MD's license?
NPPES lists Massachusetts license number 49116, 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 Mark Jeffrey Shankman, MD prescribe under Medicare Part D?
In 2024, Mark Jeffrey Shankman, MD had 13 Medicare Part D claims; 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.