Active NPI
Mark Joshua Gatmaitan Bernardo, DO
- Psychiatry Physician
- Portland, ME
National Provider Identifier
1245816602
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- DO4070
- Practice address
- 22 Bramhall St
Portland, ME 04102-3134 - Phone
- (207) 662-0111
- NPI assigned
- Mar 24, 2021
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | DO4070 | ME | Primary |
Addresses
Primary practice location
22 Bramhall St
Portland, ME 04102-3134
Mailing address
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 662-0111
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20251121001229 | ME | Practitioner - Psychiatry | 5092118786 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- University of New England, College of Osteo Medicine, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mainehealth
Practice addresses (Care Compare)
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
Hospital & facility affiliations
- Mainehealth Maine Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DO4070 | ME | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients |
Locations
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Community/Retail Pharmacy
- Portland, ME
- NPI 1013868181
-
- Endocrinology, Diabetes & Metabolism Physician
- Scarborough, ME
- NPI 1356651038
Hospital & facility affiliations 36
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1616544000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1746403200000",
"number": "1245816602",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-0111"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "22 BRAMHALL ST",
"city": "PORTLAND",
"state": "ME",
"postal_code": "041023134",
"telephone_number": "207-662-0111"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BERNARDO",
"first_name": "MARK JOSHUA",
"middle_name": "GATMAITAN",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-03-24",
"last_updated": "2025-05-05",
"certification_date": "2025-05-05",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "ME",
"license": "DO4070",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Portland, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.