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RYAN O'HARA
NPI 1265810782
Emergency Medicine in Dorchester, MA

Active since May 16, 2015PECOS EnrolledAccepts Medicare Assignment
2100 DORCHESTER AVE, DORCHESTER, MA 02124(617) 506-4444 Get Directions Write a Review

NPPES record last updated: June 2, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 25, 2019, May 22, 2018, May 9, 2017 (3 updates tracked since 2017).

About Ryan O'hara NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RYAN O'HARA (NPI 1265810782) is an individual emergency medicine provider in Dorchester, Massachusetts, licensed in Massachusetts (278934) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Signature Healthcare Brockton Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1265810782
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameRYAN O'HARA
Location Address2100 DORCHESTER AVEDorchester, MA 02124-5615
Mailing Address2100 Dorchester AveDorchester, MA 02124-5615
Phone(617) 506-4444
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 2015
Enumeration DateMay 16, 2015
Last NPPES UpdateJune 2, 20223 updates tracked since enumeration
NPPES CertifiedJune 2, 2022
✔ NPI 1265810782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MA · 278934✔ Licensed in OH · 35.133038
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2100 DORCHESTER AVE, Dorchester, MA 02124
Open in Google Maps ↗

Secondary Practice Locations 3

Location 14201 Saint Antoine StDetroit, MI 48201-2153 · Phone (313) 993-2529
Location 23525 Olentangy River Rd Ste 5320Columbus, OH 43214 · Phone (614) 566-1997
Location 3680 Centre StBrockton, MA 02302-3308 · Phone (508) 941-7400

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan O'hara is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719288414
PECOS Enrollment IDI20190626003638
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ryan O'hara reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brockton Hospital, Inc.
14 mi
General Acute Care Hospital
680 CENTRE ST
Brockton, MA 02302
  • Reassigned Medicare billing, Massachusetts enrollment
  • 81 clinicians in this Medicare group
NPI 1063431286 (508) 941-7000
Signature Healthcare Medical Group Inc
15 mi
Internal Medicine
110 LIBERTY ST
Brockton, MA 02301
  • Reassigned Medicare billing, Massachusetts enrollment
  • 409 clinicians in this Medicare group
NPI 1508804949 (508) 894-0400
Steward Emergency Physicians, Inc
33 mi
Emergency Medicine
200 GROTON RD
Ayer, MA 01432
  • Reassigned Medicare billing, Massachusetts enrollment
  • 290 clinicians in this Medicare group
NPI 1780971275 (978) 784-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services42 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
37 services37 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
23 services23 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
22 services21 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
11 services11 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Signature Healthcare Brockton Hospital

Acute Care Hospitals · Brockton, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220052
Location680 Center StreetBrockton, MA 02302 · Plymouth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELENA ROTFELD
Pharmacist
2100 DORCHESTER AVE, SEMC GPU AT CARNEY HOSPITAL
DORCHESTER, MA 02124
Suffolk County (617) 506-4536
DR. DANA MARIE HORNBEAK M.D., M.P.H.
Internal Medicine
2100 DORCHESTER AVE, CARITAS CARNEY HOSPITAL, 7 SOUTH
DORCHESTER, MA 02124
Suffolk County (617) 506-2726
CARITAS CARNEY HOSPITAL
Durable Medical Equipment & Medical Supplies
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Suffolk County (617) 296-4000
CARITAS CARNEY HOSPITAL
Long Term Care Hospital
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Suffolk County (617) 296-4000
BRECKON DANIEL PAV M.D.
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER, MA 02124
Suffolk County (617) 296-4000
RAMNINDER SINGH NAGRA MD
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER, MA 02124
Suffolk County (617) 506-2726
DONNA L SPRINGS MD
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Suffolk County (617) 296-4000
MUSTAFA M SYED MD
Psychiatry & Neurology (Psychiatry)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Suffolk County (617) 296-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan O'hara's NPI number?

The NPI number for Ryan O'hara is 1265810782. It was assigned to this individual provider in the NPPES registry on May 16, 2015.

Where is Ryan O'hara located?

Ryan O'hara practices at 2100 Dorchester Ave, Dorchester, MA 02124. The listed phone number is (617) 506-4444.

What is Ryan O'hara's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ryan O'hara enrolled in Medicare?

Yes. Ryan O'hara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ryan O'hara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan O'hara reassigns Medicare benefits to 3 organizations: Brockton Hospital, Inc. (Brockton, MA), Signature Healthcare Medical Group Inc (Brockton, MA) and Steward Emergency Physicians, Inc (Ayer, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan O'hara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan O'hara accept?

Health plans from Taro Health list Ryan O'hara as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan O'hara affiliated with any hospitals?

According to CMS data, Ryan O'hara is affiliated with Signature Healthcare Brockton Hospital.

When was this NPI record last updated?

The NPPES record for Ryan O'hara was last updated on June 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.