Stephen M. Wittenberg, M.D.
Cardiovascular Disease Physician · Springfield, MA
Stephen M. Wittenberg, M.D. is a cardiovascular disease physician with a practice address in Springfield, Massachusetts, and NPI 1952375115, issued on Feb 15, 2006. Check the license (Massachusetts 28289, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen M. Wittenberg
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 28289 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St, Springfield, MA 01107
- Phone
- (413) 794-7246
- Enumerated
- Feb 15, 2006
- Record last updated
- Nov 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 794-0198
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen M. Wittenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 28289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
20 Medicare Part D claims, against an average of 3,078 among the 20,728 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.
Stephen M. Wittenberg among 1,080 cardiovascular disease physician records in Massachusetts
Stephen M. Wittenberg, M.D. is one of 1,080 cardiovascular disease 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 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2016 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Massachusetts
There are 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Springfield → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Hany Aziz, MDSpringfield, MA 011071679580385
- James Buffum, M.D.Springfield, MA 011071508820366
- James Haddad, M.D.Springfield, MA 011071609850007
- William Hiser, M.D.Springfield, MA 011071366481459
- Leng Jiang, MDSpringfield, MA 011071316954969
- Howard Ledewitz, M.D.Springfield, MA 011071669456026
- Joan Lisak, M.D.Springfield, MA 011071013942531
- Thomas Marantz, M.D.Springfield, MA 011071669432621
Common questions
What is Stephen M. Wittenberg, M.D.'s NPI number?
Stephen M. Wittenberg, M.D.'s National Provider Identifier (NPI) is 1952375115, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen M. Wittenberg, M.D. located?
The NPPES record lists a practice address at 759 Chestnut St, Springfield, MA, 01107. Phone: (413) 794-7246. Providers update this record themselves, so call before visiting.
How can I verify Stephen M. Wittenberg, M.D.'s license?
NPPES lists Massachusetts license number 28289, 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 Stephen M. Wittenberg, M.D. prescribe under Medicare Part D?
In 2024, Stephen M. Wittenberg, M.D. had 20 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. 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.