Jessica Renee Was, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

4301113727 Issued in MI

Practice address

2215 Fuller Rd
Ann Arbor, MI 48105-2303

Phone

(734) 769-7100

NPI assigned

May 11, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other names 1

• Jessica Renee Patterson Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: jwas631914@direct.hfhs.org

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

{
    "created_epoch": "1242000000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773878400000",
    "number": "1255565859",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2215 FULLER RD",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481052303",
            "telephone_number": "734-769-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2215 FULLER RD",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481052303",
            "telephone_number": "734-769-7100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WAS",
        "first_name": "JESSICA",
        "middle_name": "RENEE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-05-11",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "MI",
            "license": "4301113727",
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "CA",
            "license": "A125744",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A125744",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "4301113727",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JESSICA",
            "last_name": "PATTERSON",
            "middle_name": "RENEE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• James Warrener, MD
• Kavita Shanker Warrier, MD
• Seth A Warschausky, PHD
• Alyssa Warsham
• Adam Steven Was, MD
• Karen Wasco
• Alexander Charles Waselewski, MD
• Edward Peter Washabaugh III, MD
• Laraine Lynn Washer, MD
• Kierra Washington, PT, DPT, AT, ATC

• Anesthesiology Physician in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Anesthesiology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 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.