1. Home
  2. Directory
  3. Maine
  4. Portland
  5. Psychiatry Neurology
  6. NPI Profile

DR. MELISSA JOHNNIDIS DO
NPI 1336728906
Psychiatry & Neurology - Psychiatry in Portland, ME

Active since April 02, 2021PECOS Enrolled
66 BRAMHALL ST, PORTLAND, ME 04102(207) 662-1310(475) 275-7458 Get Directions Write a Review

NPPES record last updated: October 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Melissa Johnnidis Do NPPES

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

DR. MELISSA JOHNNIDIS DO (NPI 1336728906) is an individual psychiatry provider in Portland, Maine, licensed in Maine (DO4093) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336728906
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MELISSA JOHNNIDISCredential: DO
Location Address66 BRAMHALL STPortland, ME 04102-3344
Mailing Address66 Bramhall StPortland, ME 04102-3344 · (207) 662-1310 · Fax (207) 662-6348
Phone(207) 662-1310
Fax(475) 275-7458
Sole ProprietorNo
Enumeration DateApril 2, 2021
Last NPPES UpdateOctober 26, 2025
NPPES CertifiedOctober 26, 2025
✔ NPI 1336728906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in ME · DO4093
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
66 BRAMHALL ST, Portland, ME 04102
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Melissa Johnnidis Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MARTHA KOLAR IVES OTR/L
Occupational Therapist
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-4628
LEAH VICTORIA MAHONEY ANP
Nurse Practitioner (Adult Health)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-3157
SARAH A. M. HALLEN M.D.
Internal Medicine (Geriatric Medicine)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-3157
WILL PORTA LMSW-CC
Social Worker (Clinical)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2221
STACEY R FARRINGTON ANP
Nurse Practitioner (Adult Health)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-3157
CAITLIN GABRIELLE MCKENZIE APRN, FNP
Registered Nurse
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2847
VALERIE MELISSA BOISVERT LCSW
Social Worker (Clinical)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-3101
ANN K MAGNER DO
Internal Medicine (Geriatric Medicine)
66 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-3157

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 Melissa Johnnidis's NPI number?

The NPI number for Melissa Johnnidis is 1336728906. It was assigned to this individual provider in the NPPES registry on April 2, 2021.

Where is Melissa Johnnidis located?

Melissa Johnnidis practices at 66 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-1310.

What is Melissa Johnnidis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Melissa Johnnidis enrolled in Medicare?

Yes. Melissa Johnnidis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Melissa Johnnidis was last updated on October 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.