NPIMap

Individual provider Active NPI

Cathlyn Sullivan, DO

  • Obstetrics & Gynecology Physician
  • Portland, ME
National Provider Identifier
1821525312
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
DO3886 Issued in ME
Practice address
887 Congress St Ste 200
Portland, ME 04102-3166
Phone
(207) 771-5549
Fax
(207) 771-7834
NPI assigned
May 16, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 1, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X DOS-2164 HI
Maternal & Fetal Medicine Physician 207VM0101X DO3886 ME
Obstetrics Physician 207VX0000X DO3886 ME
Obstetrics & Gynecology Physician 207V00000X DO3886 ME Primary

Addresses

Primary practice location

887 Congress St Ste 200
Portland, ME 04102-3166

Mailing address

887 Congress St Ste 200
Portland, ME 04102-3166
Phone (207) 771-5549

Other practice location 1

1319 Punahou St
Honolulu, HI 96826-1001
Phone (808) 983-8559

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240808001743 ME Practitioner - Obstetrics/Gynecology 1456621929 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MainehealthGroup PAC ID 7517860588, 2,616 clinicians
Central Maine Medical CenterGroup PAC ID 2567379563, 344 clinicians
Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians
Eastern Maine Medical CenterGroup PAC ID 2062315161, 659 clinicians

Practice addresses (Care Compare)

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

300 Main St
Lewiston, ME 04240-7027
Phone (207) 795-0111

35 Medical Ctr Pkwy
Augusta, ME 04330-8160
Phone (207) 621-1000

417 State St
Suite 442
Bangor, ME 04401-6634
Phone (207) 973-5200

887 Congress St
Suite 200
Portland, ME 04102-3166
Phone (207) 771-5549

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
DOS-2164HIMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mainegeneral Medical Center CurrentSince Jul 27, 2025 Accepting new patients
Mainehealth Obstetrics & Gynecology CurrentSince Aug 14, 2024 Accepting new patients
Central Maine Medical Center Current Accepting new patients
Eastern Maine Medical Center CurrentSince Sep 8, 2025 Accepting new patients
St. Mary'S Regional Medical Center CurrentSince Sep 1, 2025 Accepting new patients
Mainegeneral Medical Center CurrentSince Jul 27, 2025 Accepting new patients
Eastern Maine Medical Center CurrentSince Sep 8, 2025 Accepting new patients
St. Mary'S Regional Medical Center CurrentSince Sep 1, 2025 Accepting new patients
Mainehealth CurrentSince Aug 14, 2024 Accepting new patients
Mainehealth Current Accepting new patients
Central Maine Medical Center CurrentSince Jul 24, 2025 Accepting new patients
Central Maine Medical Center CurrentSince Jul 24, 2025 Accepting new patients
Mainehealth Past Accepting new patients
Mainehealth Past Accepting new patients

Locations

35 Medical Center Pkwy
Augusta, ME 04330
Phone (207) 621-3639

489 State St
Bangor, ME 04401
Phone (207) 973-8837

417 State St
Ste 442
Bangor, ME 04401
Phone (207) 945-6206

12 High St
Ste 301
Lewiston, ME 04240
Phone (207) 795-5730

300 Main St
Lewiston, ME 04240
Phone (207) 795-2400

93 Campus Ave
Lewiston, ME 04240
Phone (207) 755-3715

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

887 Congress St
Ste 200
Portland, ME 04102
Phone (207) 771-5549

149 North St
Waterville, ME 04901
Phone (207) 622-1959

Interoperability endpoints

  • Direct secure messaging: csullivan799434@direct.mmc.mainehealth.org
  • Direct secure messaging: csullivan2778456@direct.bsmhealth.org
  • FHIR API: https://fhir-myrecord.cerner.com/r4/4517c430-03bf-4e32-b324-1387cc4e73f3/

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 37

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 37

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1494892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1821525312",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "887 CONGRESS ST STE 200",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023166",
            "telephone_number": "207-771-5549",
            "fax_number": "207-771-7834"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "887 CONGRESS ST STE 200",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023166",
            "telephone_number": "207-771-5549",
            "fax_number": "207-771-7834"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1319 Punahou St",
            "address_purpose": "LOCATION",
            "city": "Honolulu",
            "state": "HI",
            "postal_code": "968261001",
            "country_code": "US",
            "telephone_number": "808-983-8559",
            "fax_number": "808-983-8989",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "CATHLYN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-05-16",
        "last_updated": "2025-04-01",
        "certification_date": "2025-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "HI",
            "license": "DOS-2164",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "ME",
            "license": "DO3886",
            "primary": false
        },
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "ME",
            "license": "DO3886",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "ME",
            "license": "DO3886",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.