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JONATHAN CARL FELLERS MD
NPI 1508091281
Psychiatry & Neurology - Addiction Psychiatry in Portland, ME

Active since May 25, 2009PECOS Enrolled
1 CITY CTR STE 8130, PORTLAND, ME 04101(207) 221-0635(207) 221-0634 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 8, 2022, Oct 1, 2020, Dec 22, 2016 (3 updates tracked since 2016).

About Jonathan Carl Fellers Md NPPES

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

JONATHAN CARL FELLERS MD (NPI 1508091281) is an individual addiction psychiatry provider in Portland, Maine, licensed in Maine (MD20613) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508091281
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameJONATHAN CARL FELLERSCredential: MD
Location Address1 CITY CTR STE 8130Portland, ME 04101-6420
Mailing Address1 City Ctr Ste 8130Portland, ME 04101-6420 · (207) 221-0635 · Fax (207) 221-0634
Phone(207) 221-0635
Fax(207) 221-0634
Sole ProprietorNo
Enumeration DateMay 25, 2009
Last NPPES UpdateAugust 22, 20253 updates tracked since enumeration
NPPES CertifiedAugust 22, 2025
✔ NPI 1508091281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in ME · MD20613
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Also ListedIndependent Medical ExaminerTaxonomy 202C00000X · License MD20613 (ME)
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X · License MD20613 (ME)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License MD20613 (ME)
1 CITY CTR STE 8130, Portland, ME 04101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Carl Fellers Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Mainehealth
0.5 mi
Family Medicine
272 CONGRESS ST
Portland, ME 04101
  • Reassigned Medicare billing, Maine enrollment
  • 98 clinicians in this Medicare group
NPI 1639194509 (207) 874-2466
Maine Medical Partners
0.7 mi
Geriatric Medicine
66 BRAMHALL ST
Portland, ME 04102
NPI 1790976074 (207) 662-3157

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JONATHAN C FELLERS MD PA LLC
Clinic/Center (Multi-Specialty)
1 CITY CTR STE 8130
PORTLAND, ME 04101
Cumberland County (207) 221-0635
NAOMI J ZIMMERLY LCPC
Counselor (Mental Health)
1 CITY CTR STE 8130
PORTLAND, ME 04101
Cumberland County (207) 221-0635

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Fellers's NPI number?

The NPI number for Jonathan Fellers is 1508091281. It was assigned to this individual provider in the NPPES registry on May 25, 2009.

Where is Jonathan Fellers located?

Jonathan Fellers practices at 1 City Ctr Ste 8130, Portland, ME 04101. The listed phone number is (207) 221-0635.

What is Jonathan Fellers's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Jonathan Fellers enrolled in Medicare?

Yes. Jonathan Fellers is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Jonathan Fellers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Fellers reassigns Medicare benefits to 2 organizations: Mainehealth (Portland, ME) and Maine Medical Partners (Portland, ME). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jonathan Fellers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Fellers accept?

Health plans from Harvard Pilgrim Health Care and Taro Health list Jonathan Fellers as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jonathan Fellers was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.