Maria Stack, M.D.
NPI 1861490104 · Geriatric Medicine (Internal Medicine) Physician · Cheshire, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Stack, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Cheshire, CT (NPI 1861490104).
Provider details
- NPI number
- 1861490104
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 028514 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 51 | 26 |
| Levothyroxine Sodium | 39 | 18 |
| Amlodipine Besylate | 34 | 19 |
| Losartan Potassium | 24 | 17 |
| Metoprolol Succinate | 19 | — |
| Lisinopril | 16 | 12 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-11
- Last updated
- 2016-12-07
Frequently asked questions
- What is Maria Stack's NPI number?
- Maria Stack's National Provider Identifier (NPI) is 1861490104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Stack's specialty?
- Maria Stack is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Stack located?
- Maria Stack's practice location on file with NPPES is 680 S Main St, Cheshire, CT 06410-3181.
- What is Maria Stack's phone number?
- The practice phone number listed in the NPPES registry for Maria Stack is (203) 699-9898.
- Does Maria Stack accept Medicare?
- Maria Stack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Stack's NPI active?
- Yes — Maria Stack's NPI (1861490104) is active in the NPPES registry as of the last update on 2016-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.