Elizabeth O'Brien, MD
Emergency Medical Services (Emergency Medicine) Physician · Dover, NH
Elizabeth O'Brien, MD is an emergency medical services (emergency medicine) physician with a practice address in Dover, New Hampshire, and NPI 1649205717, issued on Jul 11, 2006. Check the license (New Hampshire 13121, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth O'Brien
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 13121 NH
Self-reported in NPPES; status is on the state search - Practice location
- 789 Central Ave, Dover, NH 03820
- Phone
- (603) 740-2163
- Enumerated
- Jul 11, 2006
- Record last updated
- Sep 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (603) 740-2246
- Medicaid ID
- 30206091 NH
- Medicare enrollment
- Enrolled (PECOS I20060822000508); may accept Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 20 in New Hampshire → Look up another NPI →
Also registered at 789 Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Al-Alwan, MDPulmonary Disease Physician1235320318
- Belinda Alcaraz, CRNACertified Registered Nurse Anesthetist1144207598
- Danielle Amero, OTD, OTR/L, CHTOccupational Therapist1184239493
- Cathleen Ammann, MDHospitalist Physician1821179540
- Patricia Auty, MDSurgery Physician1407073794
- Glenn Bacon, DOAnesthesiology Physician1780662262
Verify Elizabeth O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 13121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
300 Medicare Part D claims for 218 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cephalexin37 claims
- Prednisone34 claims
- Doxycycline Monohydrate33 claims
- Methylprednisolone25 claims
- Amoxicillin-Clavulanate Potass18 claims
- Ondansetron Odt15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Ocumed LLCDover, NH
- Seacoast Emergency Physicians, PCDover, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth O'Brien among 20 emergency medical services (emergency medicine) physician records in New Hampshire
Elizabeth O'Brien, MD is one of 20 emergency medical services (emergency medicine) physician records with a practice address in New Hampshire. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 45% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2002 · median 2002 among the 13 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in New Hampshire
There are 20 emergency medical services (emergency medicine) physician records in New Hampshire.
All 20 in New Hampshire → Every provider in Dover → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Stephen Kraunz, M.D.Dover, NH 038201982920427
- Peter Row, MDDover, NH 038201124054515
- Shawn CroteauBarrington, NH 038251316887714
- Heidi Blake, M.D.Exeter, NH 038331639109267
- Thomas Lebosquet, MDPortsmouth, NH 038011609807007
- Robert Mathes, MDWolfeboro, NH 038941942255823
- Christopher Findley, MDLisbon, NH 035851508807074
- Ashley Fox, M.D.Littleton, NH 035611003074832
Common questions
What is Elizabeth O'Brien, MD's NPI number?
Elizabeth O'Brien, MD's National Provider Identifier (NPI) is 1649205717, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth O'Brien, MD located?
The NPPES record lists a practice address at 789 Central Ave, Dover, NH, 03820. Phone: (603) 740-2163. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth O'Brien, MD's license?
NPPES lists New Hampshire license number 13121, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth O'Brien, MD prescribe under Medicare Part D?
In 2024, Elizabeth O'Brien, MD had 300 Medicare Part D claims for 218 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.