Ann Rupp, FNP
NPI 1790243632 · Family Nurse Practitioner · Stamford, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Rupp, FNP is a Family Nurse Practitioner provider in Stamford, CT (NPI 1790243632).
Provider details
- NPI number
- 1790243632
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F343988 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,766 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 226 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 151 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 125 | $10 |
| Hemoglobin A1c Level83036 | 125 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 125 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 124 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 239 | 59 |
| Semaglutidebrand: Ozempic | 106 | 28 |
| Metformin Hclbrand: Metformin Hcl Er | 79 | 28 |
| Levothyroxine Sodium | 43 | 16 |
| Glipizidebrand: Glipizide Er | 38 | 18 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 38 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-11
- Last updated
- 2019-04-29
Frequently asked questions
- What is Ann Rupp's NPI number?
- Ann Rupp's National Provider Identifier (NPI) is 1790243632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Rupp's specialty?
- Ann Rupp is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Rupp located?
- Ann Rupp's practice location on file with NPPES is 292 Long Ridge Rd Ste 206, Stamford, CT 06902-1627.
- What is Ann Rupp's phone number?
- The practice phone number listed in the NPPES registry for Ann Rupp is (203) 276-7213.
- Does Ann Rupp accept Medicare?
- Ann Rupp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Rupp's NPI active?
- Yes — Ann Rupp's NPI (1790243632) is active in the NPPES registry as of the last update on 2019-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.