Mamta Singh, M.D.
NPI 1891031522 · Geriatric Medicine (Internal Medicine) Physician · Willimantic, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mamta Singh, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Willimantic, CT (NPI 1891031522).
Provider details
- NPI number
- 1891031522
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 56712 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
535 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 217 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 100 | $17 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 48 | $20 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $135 |
| Hemoglobin A1c Level83036 | 36 | $10 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 414 | 110 |
| Amlodipine Besylate | 346 | 89 |
| Rosuvastatin Calcium | 205 | 58 |
| Metoprolol Succinate | 198 | 41 |
| Pantoprazole Sodium | 193 | 50 |
| Losartan Potassium | 185 | 46 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-12-28
- Last updated
- 2018-04-02
Frequently asked questions
- What is Mamta Singh's NPI number?
- Mamta Singh's National Provider Identifier (NPI) is 1891031522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mamta Singh's specialty?
- Mamta Singh is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mamta Singh located?
- Mamta Singh's practice location on file with NPPES is 5 Founders St, Willimantic, CT 06226-2048.
- What is Mamta Singh's phone number?
- The practice phone number listed in the NPPES registry for Mamta Singh is (860) 423-9764.
- Does Mamta Singh accept Medicare?
- Mamta Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mamta Singh's NPI active?
- Yes — Mamta Singh's NPI (1891031522) is active in the NPPES registry as of the last update on 2018-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.