NPPES file of Aug 9, 2026

Naghmeh Isfahanian, MD

Radiation Oncology Physician · Presque Isle, ME

Naghmeh Isfahanian, MD is a radiation oncology physician with a practice address in Presque Isle, Maine, and NPI 1134855166, issued on Aug 1, 2022. Check the license (Maine MD25768, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134855166
Name
Naghmeh Isfahanian
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD25768 ME
Self-reported in NPPES; status is on the state search
Practice location
140 Academy St, Presque Isle, ME 04769
Phone
(289) 707-4883
Enumerated
Aug 1, 2022
Record last updated
Aug 1, 2022
Medicare enrollment
Enrolled (PECOS I20220922001845); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 140 Academy St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Georgina Aguirre, NPNurse Practitioner1851900971
  2. Bruce Alexander, MDFamily Medicine Physician1477584795
  3. Rebeca Ayala, MDPediatrics Physician1881619096
  4. Mohammed Aziz, MDHospitalist Physician1508886649
  5. Neil Baggesen, PA-CMedical Physician Assistant1841827300
  6. Paul Barrett, PHARM.D., B.C.P.S.Pharmacotherapy Pharmacist1730181058

Verify Naghmeh Isfahanian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD25768
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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78% more Medicare Part D claims than the average radiation oncology physician in 2024

238 Medicare Part D claims for 88 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Naghmeh Isfahanian238
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl58 claims
  2. Dexamethasone44 claims
  3. Pantoprazole Sodium18 claims
  4. Bicalutamide13 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.

Industry payments in 2024: $74.21

3 payments; by number, the most common kind was food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Naghmeh Isfahanian$74.21
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Aroostook Medical CenterCaribou, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Naghmeh Isfahanian among 27 radiation oncology physician records in Maine

Naghmeh Isfahanian, MD is one of 27 radiation oncology physician records with a practice address in Maine. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.

  • NPI issued2022 · 96% of these records are older, 0% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2012 among the 17 with a school on file
  • Record last updated2022 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Maine

There are 27 radiation oncology physician records in Maine.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. John Mullen, M.D.Presque Isle, ME 047691770591588
  2. William Castrucci, MDBrewer, ME 044121396927604
  3. Janeen Daniels, M.D.Brewer, ME 044121063708097
  4. Peter Lambert, MDBrewer, ME 044121053360891
  5. Julia Manzerova, M.D./PH.D.Brewer, ME 044121336409663
  6. Kurt Snyder, M.D.Brewer, ME 044121477538304
  7. John Swalec, MDBrewer, ME 044121881644490
  8. Paul Szal, MDBrewer, ME 044121568412559

Common questions

What is Naghmeh Isfahanian, MD's NPI number?

Naghmeh Isfahanian, MD's National Provider Identifier (NPI) is 1134855166, issued on Aug 1, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Naghmeh Isfahanian, MD located?

The NPPES record lists a practice address at 140 Academy St, Presque Isle, ME, 04769. Phone: (289) 707-4883. Providers update this record themselves, so call before visiting.

How can I verify Naghmeh Isfahanian, MD's license?

NPPES lists Maine license number MD25768, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Naghmeh Isfahanian, MD prescribe under Medicare Part D?

In 2024, Naghmeh Isfahanian, MD had 238 Medicare Part D claims for 88 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.