Aaron McPheters, MD
Emergency Medicine Physician · Portsmouth, NH
Aaron McPheters, MD is an emergency medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1609370311, issued on Mar 19, 2018. Check the license (New Hampshire 23484, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Aaron McPheters
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 23484 NH
Self-reported in NPPES; status is on the state search - Practice location
- 333 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 436-5110
- Enumerated
- Mar 19, 2018
- Record last updated
- Jan 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20240123003457); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 351 in New Hampshire → Look up another NPI →
Also registered at 333 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pahel Agarwal, M.DStudent in an Organized Health Care Education/Training Program1083469829
- Basil Al-Masarweh, MBBSStudent in an Organized Health Care Education/Training Program1346092004
- Nicholas Alana, MDInternal Medicine Physician1922687599
- Donavon Albertson, MDEmergency Medicine Physician1780759027
- Hossam Algamil, M.D.Hospitalist Physician1942429865
Verify Aaron McPheters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 23484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average emergency medicine physician in 2024
251 Medicare Part D claims for 179 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin36 claims
- Prednisone33 claims
- Azithromycin25 claims
- Amoxicillin-Clavulanate Potass23 claims
- Methocarbamol15 claims
- Doxycycline Hyclate12 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 one group practice
- Emergency Medicine Services OF NH, LLCPortsmouth, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron McPheters among 351 emergency medicine physician records in New Hampshire
Aaron McPheters, MD is one of 351 emergency medicine physician records with a practice address in New Hampshire. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2011 among the 205 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 emergency medicine physician records list a practice address in Portsmouth
They are 20 of the 1,860 NPPES records with a practice address in Portsmouth, and 351 emergency medicine physician records in New Hampshire.
All 351 in New Hampshire → Every provider in Portsmouth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Donavon Albertson, MDPortsmouth, NH 038011780759027
- Samantha ArnoldPortsmouth, NH 038011043758238
- Steven Bos, MDPortsmouth, NH 038011043385388
- William Carter, M.D.Portsmouth, NH 038011083795116
- Brian Collins, D.O.Portsmouth, NH 038011285730887
- Kelley Hails, M.D.Portsmouth, NH 038011861450405
- David Heller, DOPortsmouth, NH 038011386600815
- Jeffrey Hope, MDPortsmouth, NH 038011508183963
Common questions
What is Aaron McPheters, MD's NPI number?
Aaron McPheters, MD's National Provider Identifier (NPI) is 1609370311, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Aaron McPheters, MD located?
The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 436-5110. Providers update this record themselves, so call before visiting.
How can I verify Aaron McPheters, MD's license?
NPPES lists New Hampshire license number 23484, 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 Aaron McPheters, MD prescribe under Medicare Part D?
In 2024, Aaron McPheters, MD had 251 Medicare Part D claims for 179 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.