Doctor profile · Federal record

Dr. Ronald Guzman, MD

Internal Medicine Physician (CMS: Internal Medicine) · Fairport, NY

  • NPI 1164563110
  • Accepts Medicare
  • MIPS 73.3 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Ayrault RD Ste 200
Fairport, NY 144508941
(585) 602-2300
fax (585) 425-2750

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 5, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #192796
Medicaid
NY #01656766

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164563110. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
138
Distinct HCPCS
3
Medicare allowed
$12,555
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 54 39 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 51 36 $64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 33 33 $126

In context: peer comparison

Among 6 peers in Fairport Internal Medicine Physician, average services per provider: 62. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,591
Patients
796
Total drug cost
$43,260
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 404 124 $6,540
Lisinopril Generic 345 101 $3,467
Amlodipine Besylate Generic 306 83 $2,305
Levothyroxine Sodium Generic 248 80 $6,035
Omeprazole Generic 203 61 $2,619
Rosuvastatin Calcium Generic 185 56 $6,669
Metoprolol Succinate Generic 175 54 $5,147
Losartan Potassium Generic 116 36 $1,867
Metformin Hcl Generic 101 33 $1,138
Trazodone Hcl Generic 95 27 $1,000

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Guzman's medical specialty?
Dr. Ronald Guzman practices Internal Medicine Physician in Fairport, NY.
Where does Dr. Ronald Guzman practice?
Dr. Ronald Guzman practices at 800 Ayrault RD Ste 200, Fairport, NY 144508941. Office phone: 5856022300.
What is Dr. Ronald Guzman's NPI?
Dr. Ronald Guzman's National Provider Identifier (NPI) is 1164563110, issued by NPPES.
Does Dr. Ronald Guzman accept Medicare assignment?
Yes. Dr. Ronald Guzman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Guzman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.