What is Sean O'Hara's NPI number?

Sean O'Hara's National Provider Identifier (NPI) is 1023429370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sean O'Hara's specialty?

Sean O'Hara is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Sean O'Hara located?

Sean O'Hara's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.

What is Sean O'Hara's phone number?

The practice phone number listed in the NPPES registry for Sean O'Hara is (617) 726-3936.

Does Sean O'Hara accept Medicare?

Sean O'Hara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Sean O'Hara's NPI active?

Yes — Sean O'Hara's NPI (1023429370) is active in the NPPES registry as of the last update on 2024-08-26.

IndividualActiveAccepts Medicare

Sean O'Hara, MD

NPI 1023429370 · Emergency Medicine Physician · Boston, MA

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Sean O'Hara, MD is a Emergency Medicine Physician provider in Boston, MA (NPI 1023429370).

Provider details

NPI number: 1023429370
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: R3167 (TX)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 290969 (MA)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense R3167 (TX)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(89/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
12 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
755 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)
Emergency Department Visit With High Level of Medical Decision Making99285	347	$177
Emergency Department Visit With Moderate Level of Medical Decision Making99284	160	$123
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223	69	$181
Emergency Department Visit With Low Level of Medical Decision Making99283	51	$72
Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236	35	$217
Ultrasound of Heart, Follow-Up93308

Practice location

55 Fruit St

Boston, MA 02114-2696

Phone: (617) 726-3936

Street-level locationGet directions

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Mailing address