Philip S. Kotsios, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

48627 Issued in MA

Practice address

817 Merrimack St
Lowell, MA 01854-3571

Phone

(978) 937-0500

Fax

(978) 937-1254

NPI assigned

Apr 20, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1145491200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1306801493",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "817 MERRIMACK ST",
            "city": "LOWELL",
            "state": "MA",
            "postal_code": "018543571",
            "telephone_number": "978-937-0500",
            "fax_number": "978-937-1254"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "817 MERRIMACK ST",
            "city": "LOWELL",
            "state": "MA",
            "postal_code": "018543571",
            "telephone_number": "978-937-0500",
            "fax_number": "978-937-1254"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOTSIOS",
        "first_name": "PHILIP",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-20",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "48627",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0143448",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kay Korbey, LMHC
• Martha Koroma
• Chie Kotake, M.A.
• Haroutioun A Kotchinian
• Katrina Kotler
• Tina Xanthe Kotsios
• Sokharath Koy
• Kristen Callanan Koziol, FNP-BC
• Mitchell Myles Krigest
• Carolyn Kroll, LICSW

• Internal Medicine Physician in Lowell, MA
• Providers in Lowell, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.