Active NPI
Stephen Ross Barter, M.D.
- Family Medicine Physician
- Naples, ME
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 11337
- Practice address
- 4 Meserve Street
Naples Professional Center
Naples, ME 04055-5349 - Phone
- (207) 693-3912
- Fax
- (207) 693-3453
- NPI assigned
- Sep 13, 2006
- Last updated
- Jun 2, 2025
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 11337 | ME | Primary |
Addresses
Primary practice location
4 Meserve Street
Naples Professional Center
Naples, ME 04055-5349
Mailing address
PO Box 1515
4 Meserve St
Naples, ME 04055
Phone (207) 693-3912
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 203770000 | Medicaid | ME | |
| 000173 | Other | ME | ANTHEM STAR ID |
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 |
|---|---|---|---|---|
| I20050418000372 | ME | Practitioner - Family Practice | 0547208936 | Practice locations: Naples, ME |
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Tufts University School of Medicine, 1981
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
PO Box
Suite 1515
Naples, ME 04055
Hospital & facility affiliations
- Andwell Health Partners
- Bridgton Hospital
- Mainehealth Stephens Hospital
- Mainehealth Maine Medical Center
- Northern Light Mercy Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.57 of 100
- Quality
- 66.56
- Promoting interoperability
- 99
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Melanoma (skin cancer) excision | 1-10 |
| Removal of tissue | 1-10 |
| Removal of skin lesions | 13 |
| Removal or shaving of skin growth | 16 |
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 11337 | ME | MD | Family Medicine Physician |
Hospital & facility affiliations 41
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Andwell Health Partners
- Home Health Agency
- Lewiston, ME
- NPI 1245232347
-
- Critical Access Hospital
- Bridgton, ME
- NPI 1154370153
-
dba MMP Orthopedics ( Div of Orthopedic Trauma & Fracture Care)
- Orthopaedic Trauma Physician
- Portland, ME
- NPI 1003113127
Hospital
-
dba Maine Hemophilia and Thrombosis Center
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
dba Maine Medical Center Infectious Disease
- Infectious Disease Physician
- Portland, ME
- NPI 1073701157
Hospital
-
dba Geriatric Consults
- Geriatric Medicine (Internal Medicine) Physician
- Portland, ME
- NPI 1164610242
Hospital
-
dba MMC Pediatric Intensive Care Unit
- Pediatric Critical Care Medicine Physician
- Portland, ME
- NPI 1265536817
Hospital
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
-
dba Maine Medical Partners Endocrinlogy & Diabetes
- Endocrinology, Diabetes & Metabolism Physician
- Scarborough, ME
- NPI 1356651038
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1158105600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1748822400000",
"number": "1689779092",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 1515",
"address_2": "4 MESERVE ST",
"city": "NAPLES",
"state": "ME",
"postal_code": "04055",
"telephone_number": "207-693-3912",
"fax_number": "207-693-3453"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4 MESERVE STREET",
"address_2": "NAPLES PROFESSIONAL CENTER",
"city": "NAPLES",
"state": "ME",
"postal_code": "040555349",
"telephone_number": "207-693-3912",
"fax_number": "207-693-3453"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BARTER",
"first_name": "STEPHEN",
"middle_name": "ROSS",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-13",
"last_updated": "2025-06-02",
"certification_date": "2025-05-19",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "ME",
"license": "11337",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "203770000",
"state": "ME"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "ANTHEM STAR ID",
"identifier": "000173",
"state": "ME"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Naples, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.