Essa Hanna Hattar, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

4031512896 Issued in MI

Practice address

50 N Perry St
Pontiac, MI 48342-2217

Phone

(248) 338-5392

NPI assigned

Jun 19, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

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

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: essa.hattar.p1@direct.oihn.nextgenshare.com

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.

• Signify Health Medical Associates, PLLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1750845863

  MI

  Medicare reassignment NPD

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

{
    "created_epoch": "1687132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1003591926",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 N PERRY ST",
            "city": "PONTIAC",
            "state": "MI",
            "postal_code": "483422217",
            "telephone_number": "248-338-5392"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 N PERRY ST",
            "city": "PONTIAC",
            "state": "MI",
            "postal_code": "483422217",
            "telephone_number": "248-338-5392"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15606 SOUTHFIELD RD",
            "address_purpose": "LOCATION",
            "city": "ALLEN PARK",
            "state": "MI",
            "postal_code": "481012513",
            "country_code": "US",
            "telephone_number": "313-771-5274",
            "fax_number": "313-771-5256",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HATTAR",
        "first_name": "ESSA",
        "middle_name": "HANNA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-19",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4351050811",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "MI",
            "license": "4031512896",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MI",
            "license": "4031512896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ghulam A Harrie, MD
• Quentin Ryan Harris, LLMSW
• Shatori Danielle Harris
• Maha Hassan, D.O.
• Tarek Mohamad Hassoun
• Raymond Haward, M.D.
• Amanda Grace Hawkins
• Michael Scott Hayes, M.S., CCC-A
• Wendy Arlene Hayes, LPN
• Brian Schmidt Haynes

• Family Medicine Physician in Pontiac, MI
• Providers in Pontiac, MI by specialty
• Family Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.