Jang B. Singh, MD
Internal Medicine Physician · Worcester, MA
Jang B. Singh, MD is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1699757310, issued on Nov 17, 2005. Check the license (Massachusetts 34227, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jang B. Singh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34227 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Winthrop St, Worcester, MA 01604
- Phone
- (508) 792-2336
- Enumerated
- Nov 17, 2005
- Record last updated
- Jan 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 2010003 MA
- Medicare enrollment
- Enrolled (PECOS I20040329001129); 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 10 Winthrop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cindy Barbash, PA-CMedical Physician Assistant1962502096
- Donald BellundunoMental Health Counselor1831010081
- Frederick CheungOrthodontics and Dentofacial Orthopedics Dentistry1093914061
- Arthur Church, M.D.Hematology (Internal Medicine) Physician1912946252
- Raymond Esper, DPMPodiatrist1487747416
- Donald Fiorillo, D.D.S.General Practice Dentistry1780673657
Verify Jang B. Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 34227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,044 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium125 claims
- Amlodipine Besylate88 claims
- Furosemide70 claims
- Losartan Potassium58 claims
- Metoprolol Succinate54 claims
- Eliquis41 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.
Industry payments in 2024: $159.31
7 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Saint Vincent Physician Services IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jang B. Singh among 6,825 internal medicine physician records in Massachusetts
Jang B. Singh, 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 fileYes · 60% of these records are
- Graduated1964 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 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).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Qingning Bian, MDWorcester, MA 016041982019261
- David Fields, M.D.Worcester, MA 016041538142815
- Lei Jiang, M.D.Worcester, MA 016041760439277
- Petra Kajla, M.D.Worcester, MA 016041144203126
- Radhika Koneru, M.D.Worcester, MA 016041902061195
- Mohammed Mohammed, M.DWorcester, MA 016041437461092
- Poorna Narayan, M.D.Worcester, MA 016041730399098
- Masooma Rehmtulla, MDWorcester, MA 016041194012203
Common questions
What is Jang B. Singh, MD's NPI number?
Jang B. Singh, MD's National Provider Identifier (NPI) is 1699757310, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jang B. Singh, MD located?
The NPPES record lists a practice address at 10 Winthrop St, Worcester, MA, 01604. Phone: (508) 792-2336. Providers update this record themselves, so call before visiting.
How can I verify Jang B. Singh, MD's license?
NPPES lists Massachusetts license number 34227, 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 Jang B. Singh, MD prescribe under Medicare Part D?
In 2024, Jang B. Singh, MD had 1,044 Medicare Part D claims for 69 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.