Jerome David Siegel, MD
Internal Medicine Physician · Westborough, MA
Jerome David Siegel, MD is an internal medicine physician with a practice address in Westborough, Massachusetts, and NPI 1710976709, issued on Oct 21, 2005. Check the license (Massachusetts 52940, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jerome David Siegel
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 52940 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Colonial Drive, Westborough, MA 01581
- Phone
- (508) 366-3828
- Enumerated
- Oct 21, 2005
- Record last updated
- Oct 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (323) 214-0010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Jerome David Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 52940Check 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 internal medicine physician in 2024
16 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.
Jerome David Siegel among 6,825 internal medicine physician records in Massachusetts
Jerome David Siegel, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2015 · 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).
27 internal medicine physician records list a practice address in Westborough
They are 27 of the 565 NPPES records with a practice address in Westborough, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Westborough → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Parmender Bagga, MDWestborough, MA 015811861478059
- Clifford Behmer, M.D.Westborough, MA 015811407839392
- Elisabeth Brewer, M.D.Westborough, MA 015811902853690
- Arthur Brewer, M.D.Westborough, MA 015811457360588
- Faiyaz Hakim, MDWestborough, MA 015811932113446
- Nandana Kansra, M.D.Westborough, MA 015811073564225
- Robert Klugman, M.D.Westborough, MA 015811740263417
- Shelley Kramer, MDWestborough, MA 015811649233495
Common questions
What is Jerome David Siegel, MD's NPI number?
Jerome David Siegel, MD's National Provider Identifier (NPI) is 1710976709, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jerome David Siegel, MD located?
The NPPES record lists a practice address at 6 Colonial Drive, Westborough, MA, 01581. Phone: (508) 366-3828. Providers update this record themselves, so call before visiting.
How can I verify Jerome David Siegel, MD's license?
NPPES lists Massachusetts license number 52940, 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 Jerome David Siegel, MD prescribe under Medicare Part D?
In 2024, Jerome David Siegel, MD had 16 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.