DR. ELIZABETH O'BRIEN MD
NPI 1649205717
Emergency Medicine - Emergency Medical Services in Dover, NH

Q: What is Elizabeth O'brien's NPI number?

The NPI number for Elizabeth O'brien is 1649205717. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Elizabeth O'brien's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Q: When was this NPI record last updated?

The NPPES record for Elizabeth O'brien was last updated on September 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since July 11, 2006PECOS Enrolled

789 CENTRAL AVE, EMERGENCY DEPT, DOVER, NH 03820(603) 740-2163(603) 740-2246 Get Directions Write a Review

NPPES record last updated: September 30, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Elizabeth O'brien Md NPPES

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

DR. ELIZABETH O'BRIEN MD (NPI 1649205717) is an individual emergency medical services provider in Dover, New Hampshire, licensed in New Hampshire (13121) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and is a graduate of University Of Vermont College Of Medicine (2002).

NPPES Registry Identity

NPI1649205717

Entity TypeIndividualFemale

Primary Taxonomy207PE0004X

Provider Legal NameDR. ELIZABETH O'BRIENCredential: MD

Location Address789 CENTRAL AVE, EMERGENCY DEPTDover, NH 03820-2526

Mailing Address789 Central AveDover, NH 03820-2526 · (603) 740-2163

Phone(603) 740-2163

Fax(603) 740-2246

Sole ProprietorNo

Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2002

Enumeration DateJuly 11, 2006

Last NPPES UpdateSeptember 30, 2008

✔ NPI 1649205717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians

Taxonomy Code207PE0004X

License✔ Licensed in NH · 13121

Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

789 CENTRAL AVE, Dover, NH 03820

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Other Identifiers 6

Medicaid30206091NH

Medicare PINVX1528NH

Other01Y010879NH01NH · Bcbs

Medicare UPINI29698NH

OtherP00329992NH · Railroad Medicare

Medicare PINRE8779NH

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elizabeth O'brien Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183665078

PECOS Enrollment IDI20060822000508

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

Medicare enrollment records show Elizabeth O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ocumed LLC

Same address

Emergency Medicine

789 CENTRAL AVE
Dover, NH 03820

Reassigned Medicare billing, New Hampshire enrollment
31 clinicians in this Medicare group

NPI 1417788811 (877) 485-4474

Seacoast Emergency Physicians, PC

Same address

Emergency Medical Services

789 CENTRAL AVE, EMERGENCY DEPT
Dover, NH 03820

Reassigned Medicare billing, New Hampshire enrollment
48 clinicians in this Medicare group

NPI 1134155872 (603) 740-2163

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 5

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.

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.

347 services336 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

99 services98 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.

36 services35 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

17 services17 patients

Hospital Affiliations CMS Care Compare

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

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300018

Location789 Central AveDover, NH 03820 · Strafford County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03820 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

$89.14 typical visit price

range $57.75 – $174.26

Typical copayment $22.28 (range $14.43 – $43.56)

Most-billed visit code 99203

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

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.

NISHAD AVINASH BARVE

Hospitalist