Mamta Singh, M.D.
Geriatric Medicine (Internal Medicine) Physician · Willimantic, CT
Mamta Singh, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Willimantic, Connecticut, and NPI 1891031522, issued on Dec 28, 2012. Check the license (Connecticut 56712, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mamta Singh
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 56712 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Founders St, Willimantic, CT 06226
- Phone
- (860) 423-9764
- Enumerated
- Dec 28, 2012
- Record last updated
- Apr 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180522002127); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 104 in Connecticut → Look up another NPI →
Also registered at 5 Founders St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Eaton, APRNPrimary Care Nurse Practitioner1649712084
- Jeffrey Kegel, M.D.Cardiovascular Disease Physician1619919313
- Walter McPhee, MDInternal Medicine Physician1144229113
Verify Mamta Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 56712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,755 Medicare Part D claims for 388 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium414 claims
- Amlodipine Besylate346 claims
- Rosuvastatin Calcium205 claims
- Metoprolol Succinate198 claims
- Pantoprazole Sodium193 claims
- Losartan Potassium185 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: $22.24
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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
- Prospect CT Medical Foundation IncEast Hartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mamta Singh among 104 geriatric medicine (internal medicine) physician records in Connecticut
Mamta Singh, M.D. is one of 104 geriatric medicine (internal medicine) physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2016 · median 1998 among the 68 with a school on file
- Record last updated2018 · 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 207RG0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Connecticut
There are 104 geriatric medicine (internal medicine) physician records in Connecticut.
All 104 in Connecticut → Every provider in Willimantic → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Judith Ukabam, M.D.Willimantic, CT 062261306370010
- Olusegun Apoeso, MDWest Hartford, CT 061171407838550
- Maureen Dana, MDWest Hartford, CT 061171780666834
- Ava Pannullo, MDWest Hartford, CT 061171578545620
- Maria Renna, MD, PHDWethersfield, CT 061091164750030
- Joseph Anquillare, M.D.Hartford, CT 061061316043045
- David Fenton, MDHartford, CT 061061669577540
- Henry Schneiderman, MDHartford, CT 061051083697726
Common questions
What is Mamta Singh, M.D.'s NPI number?
Mamta Singh, M.D.'s National Provider Identifier (NPI) is 1891031522, issued on Dec 28, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mamta Singh, M.D. located?
The NPPES record lists a practice address at 5 Founders St, Willimantic, CT, 06226. Phone: (860) 423-9764. Providers update this record themselves, so call before visiting.
How can I verify Mamta Singh, M.D.'s license?
NPPES lists Connecticut license number 56712, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mamta Singh, M.D. prescribe under Medicare Part D?
In 2024, Mamta Singh, M.D. had 5,755 Medicare Part D claims for 388 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.