Alexander Lay, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

MD457375 Issued in PA

Practice address

1212 Baltimore Pike Ste 200
Chadds Ford, PA 19317-7377

Phone

(610) 874-6448

Fax

(610) 876-7399

NPI assigned

Jun 22, 2012

Last updated

Jan 30, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in PA, DE2 enrollments

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 2

Specialty

Anesthesiology

Education

University of Michigan Medical School, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

United Anesthesia Services PCGroup PAC ID 3173437613, 437 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Riddle Memorial Hospital Hospital, Media, PA, CCN 390222

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/0d26bd04-9128-4f58-8e6d-ffda5cd00f89/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• United Anesthesia Services PC

  • Anesthesiology Physician
  • Wynnewood, PA
  • NPI 1053366062
  Medicare reassignment Care Compare group NPD
• Associates in Anesthesia, Inc.

  • Anesthesiology Physician
  • Chadds Ford, PA
  • NPI 1942281191

  DE

  Medicare reassignment NPD
• Associates in Anesthesia

  • Anesthesiology Physician
  • Chadds Ford, PA
  • NPI 1336470467
  NPD

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

• Riddle Memorial Hospital

  • General Acute Care Hospital
  • Media, PA
  • NPI 1407856099
  Care Compare affiliation

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

{
    "created_epoch": "1340323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1275896425",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1212 BALTIMORE PIKE STE 200",
            "city": "CHADDS FORD",
            "state": "PA",
            "postal_code": "193177377",
            "telephone_number": "610-874-6448",
            "fax_number": "610-876-7399"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1212 BALTIMORE PIKE STE 200",
            "city": "CHADDS FORD",
            "state": "PA",
            "postal_code": "193177377",
            "telephone_number": "610-874-6448",
            "fax_number": "610-876-7399"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAY",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-22",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD457375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erin King, LCSW
• Carol M Koehler, LSW
• Sudheera Kokkada Sathyanarayana, MD
• Rosemarie Kurtz, LPC
• Charles Laudadio, MD
• Soonjae Lee, D.M.D.
• Richard Louis Leff, M.D.
• Dana J Lehman, PSY.D.
• Michael Alfred Lemper, D.M.D.
• Susan B Levinson, MSPT

• Anesthesiology Physician in Chadds Ford, PA
• Providers in Chadds Ford, PA by specialty
• Anesthesiology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 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.