Doctor profile · Federal record

Dr. Ryan O'Hara

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Dorchester, MA

  • NPI 1265810782
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
2100 Dorchester Ave
Dorchester, MA 021245615
(617) 506-4444
Additional location
4201 Saint Antoine St
Detroit, MI 482012153
(313) 993-2529
Additional location
3525 Olentangy River RD Ste 5320
Columbus, OH 43214
(614) 566-1997
Show 1 more location
Additional location
680 Centre St
Brockton, MA 023023308
(508) 941-7400

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
June 2, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Massachusetts #278934 · Ohio #35.133038

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265810782. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
10
Medicare allowed
$12,913
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 23 23 $121
99212 Established patient office or other outpatient visit, 10-19 minutes 22 22 $36
99285 Emergency department visit with high level of medical decision making 22 22 $176
99212 Established patient office or other outpatient visit, 10-19 minutes 21 21 $36
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $66
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $83
99202 New patient office or other outpatient visit, 15-29 minutes 12 12 $48
99202 New patient office or other outpatient visit, 15-29 minutes 12 12 $48
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $66
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 11 11 $8

In context: peer comparison

Among 3 peers in this city , average services per provider: 16. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$110
Drug Type Claims Patients Total cost
Cephalexin Generic 12 12 $110

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan O'Hara's medical specialty?
Dr. Ryan O'Hara practices Emergency Medicine Physician in Dorchester, MA.
Where does Dr. Ryan O'Hara practice?
Dr. Ryan O'Hara practices at 2100 Dorchester Ave, Dorchester, MA 021245615. Office phone: 6175064444.
What is Dr. Ryan O'Hara's NPI?
Dr. Ryan O'Hara's National Provider Identifier (NPI) is 1265810782, issued by NPPES.
Does Dr. Ryan O'Hara accept Medicare assignment?
Yes. Dr. Ryan O'Hara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan O'Hara commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Established patient office or other outpatient visit (HCPCS 99212); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.