John Weaver, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

35081749 Issued in OH

Practice address

401 N Ewing St
Lancaster, OH 43130-3372

Phone

(513) 672-3309

Fax

(513) 672-3323

NPI assigned

Jul 28, 2005

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 OH

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

Specialty

Anesthesiology

Education

Medical College of Ohio, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fairfield Anesthesia Associates IncGroup PAC ID 3173511342, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Fairfield Medical Center Hospital, Lancaster, OH, CCN 360072

Merit-based Incentive Payment System (MIPS)

Final score

90.67 of 100Reported as group

Quality

74.91

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Fairfield Anesthesia Associates Inc

  • Anesthesiology Physician
  • Lancaster, OH
  • NPI 1205836871
  Medicare reassignment Care Compare group NPD
• Daniel L French PSC

  • Family Medicine Physician
  • Florence, KY
  • NPI 1255337952
  NPD (past)

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

• Fairfield Medical Center

  • General Acute Care Hospital
  • Lancaster, OH
  • NPI 1467433763
  Care Compare affiliation

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1073513396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11490 SPRINGFIELD PIKE",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452463524",
            "telephone_number": "513-672-3309",
            "fax_number": "513-672-3323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 N EWING ST",
            "city": "LANCASTER",
            "state": "OH",
            "postal_code": "431303372",
            "telephone_number": "513-672-3309",
            "fax_number": "513-672-3323"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEAVER",
        "first_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35081749",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2420928",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Abbygale Nicole Watson
• WC-Lancaster Ops, LLC
• Saundra Wears
• Diane Nicole Weaver, MS, RD, LD
• Jamie Weaver, P.A.-C
• Whitney Nicole Webb, LPN
• Collin Weekes
• Mary Claire Weiler, PHD, RD, LD
• Jason Timothy Weingart, MD
• Aharon Weinstein

• Anesthesiology Physician in Lancaster, OH
• Providers in Lancaster, OH by specialty
• Anesthesiology Physician in Ohio

• 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.
• 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.

Verify at the official NPI Registry.