NPPES file of Aug 9, 2026

Jonathan Carl Fellers, MD

Addiction Psychiatry Physician · Portland, ME

Jonathan Carl Fellers, MD is an addiction psychiatry physician with a practice address in Portland, Maine, and NPI 1508091281, issued on May 25, 2009. Check the license (Maine MD20613, 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
1508091281
Name
Jonathan Carl Fellers
Credential
MD
Primary taxonomy
Addiction Psychiatry Physician 2084P0802X
License number
MD20613 ME
Self-reported in NPPES; status is on the state search
Practice location
1 City Ctr Ste 8130, Portland, ME 04101
Phone
(207) 221-0635
Enumerated
May 25, 2009
Record last updated
Aug 22, 2025
Fax
(207) 221-0634
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Jonathan Carl Fellers 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 MD20613
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

59% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024

294 Medicare Part D claims for 25 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Jonathan Fellers294
  2. Specialty average716

Most prescribed

  1. Gabapentin32 claims
  2. Clonazepam30 claims
  3. Spravato26 claims
  4. Vilazodone Hcl15 claims
  5. Clonidine Hcl13 claims
  6. Olanzapine13 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: $1,931.59

101 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 170 providers of this specialty with any payment received $1,785.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Fellers$1,931.59
  2. Specialty average$1,785.85

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

Addiction Psychiatry Physician providers in Maine

There are 5 addiction psychiatry physician records in Maine.

The 4 addiction psychiatry physician records with the nearest ZIP codes

  1. Christopher Buttarazzi, MDPortland, ME 041011124448196
  2. Ryan Jones, CADCBrunswick, ME 040111417753609
  3. Nathaniel Bridgeo, LADC, MHRT/C, BHPBangor, ME 044011356224547
  4. Mary Louisa Barnhart, MDWaterville, ME 049011811055353

Common questions

What is Jonathan Carl Fellers, MD's NPI number?

Jonathan Carl Fellers, MD's National Provider Identifier (NPI) is 1508091281, issued on May 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Carl Fellers, MD located?

The NPPES record lists a practice address at 1 City Ctr Ste 8130, Portland, ME, 04101. Phone: (207) 221-0635. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Carl Fellers, MD's license?

NPPES lists Maine license number MD20613, 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 Jonathan Carl Fellers, MD prescribe under Medicare Part D?

In 2024, Jonathan Carl Fellers, MD had 294 Medicare Part D claims for 25 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.