Frank Longo, M.D.
NPI 1528171295 · Internal Medicine Physician · Naugatuck, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Longo, M.D. is a Internal Medicine Physician provider in Naugatuck, CT (NPI 1528171295).
Provider details
- NPI number
- 1528171295
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 026774 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 55 |
| Amlodipine Besylate | 50 | 29 |
| Levothyroxine Sodium | 31 | 24 |
| Metformin Hcl | 26 | 16 |
| Lisinopril | 24 | 21 |
| Escitalopram Oxalate | 24 | 12 |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (1)
- 597 Highland AveWaterbury, CT 06708Phone: (203) 754-4971Fax: (203) 757-5347
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2021-10-28
- Certified
- 2021-10-28
Frequently asked questions
- What is Frank Longo's NPI number?
- Frank Longo's National Provider Identifier (NPI) is 1528171295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Longo's specialty?
- Frank Longo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Longo located?
- Frank Longo's practice location on file with NPPES is 58 Maple Street, Naugatuck, CT 06770.
- What is Frank Longo's phone number?
- The practice phone number listed in the NPPES registry for Frank Longo is (203) 709-5935.
- Does Frank Longo accept Medicare?
- Frank Longo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Longo's NPI active?
- Yes — Frank Longo's NPI (1528171295) is active in the NPPES registry as of the last update on 2021-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.