Robert Gionfriddo, D.O
NPI 1831397942 · Internal Medicine Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Gionfriddo, D.O is a Internal Medicine Physician provider in Hartford, CT (NPI 1831397942).
Provider details
- NPI number
- 1831397942
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 047164 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
489 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 190 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 148 | $121 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 69 | $84 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 30 | $178 |
| Ultrasound of Heart, Follow-Up93308 | 26 | $25 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2009-05-01
Frequently asked questions
- What is Robert Gionfriddo's NPI number?
- Robert Gionfriddo's National Provider Identifier (NPI) is 1831397942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gionfriddo's specialty?
- Robert Gionfriddo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Gionfriddo located?
- Robert Gionfriddo's practice location on file with NPPES is 80 Seymour Street, Hartford, CT 06102.
- What is Robert Gionfriddo's phone number?
- The practice phone number listed in the NPPES registry for Robert Gionfriddo is (860) 545-2876.
- Does Robert Gionfriddo accept Medicare?
- Robert Gionfriddo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Gionfriddo's NPI active?
- Yes — Robert Gionfriddo's NPI (1831397942) is active in the NPPES registry as of the last update on 2009-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.