Doctor profile · Federal record

Dr. Robert Gionfriddo, D.O

Internal Medicine Physician (CMS: Internal Medicine) · Hartford, CT

  • NPI 1831397942
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
80 Seymour Street, Hartford Hospital Medicine Dept
Hartford, CT 06102
(860) 545-2876
Mailing address
P.O. Box 40,000 Dept 634, Hartford Hospital Professional Services
Hartford, CT 061510634

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
May 1, 2009
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #047164
Medicaid
CT #001471648

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831397942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
603
Distinct HCPCS
7
Medicare allowed
$54,277
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 330 157 $84
99238 Hospital discharge day management, 30 minutes or less 98 95 $86
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 72 40 $126
93308 Ultrasound of heart, follow-up 34 34 $26
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 15 $52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 23 $183
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $137

In context: peer comparison

Among 45 peers in this city , average services per provider: 94. This provider delivers 6.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gionfriddo's medical specialty?
Dr. Robert Gionfriddo practices Internal Medicine Physician in Hartford, CT.
Where does Dr. Robert Gionfriddo practice?
Dr. Robert Gionfriddo practices at 80 Seymour Street, Hartford, CT 06102. Office phone: 8605452876.
What is Dr. Robert Gionfriddo's NPI?
Dr. Robert Gionfriddo's National Provider Identifier (NPI) is 1831397942, issued by NPPES.
Does Dr. Robert Gionfriddo accept Medicare assignment?
Yes. Dr. Robert Gionfriddo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gionfriddo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.