William B. Ahnn, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A31405 Issued in CA

Practice address

2101 N Waterman Ave
San Bernardino, CA 92404-4836

Phone

(909) 883-3711

NPI assigned

Dec 29, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

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

AnesthesiologyAlso: Interventional Pain Management

Education

Other, 1969

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Palm Springs Anesthesia Services PCGroup PAC ID 6406049592, 90 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Bernardine Medical Center Hospital, San Bernardino, CA, CCN 050129

Merit-based Incentive Payment System (MIPS)

Final score

84.5 of 100Reported as group

Quality

70

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.

• Palm Springs Anesthesia Services, PC

  • Anesthesiology Physician
  • San Bernardino, CA
  • NPI 1083928501
  Medicare reassignment Care Compare group NPD
• Dignity Health

  • General Acute Care Hospital
  • San Bernardino, CA
  • NPI 1689769911
  NPD (past)
• Dignity Health Medical Foundation

  • Multi-Specialty Clinic/Center
  • Highland, CA
  • NPI 1053653873
  NPD (past)

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

• Dignity Health

  • General Acute Care Hospital
  • San Bernardino, CA
  • NPI 1689769911
  Care Compare affiliation

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

{
    "created_epoch": "1135814400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1447113600000",
    "number": "1457338683",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 N TUSTIN AVE",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053807",
            "telephone_number": "800-883-7243",
            "fax_number": "714-647-1245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2101 N WATERMAN AVE",
            "city": "SAN BERNARDINO",
            "state": "CA",
            "postal_code": "924044836",
            "telephone_number": "909-883-3711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AHNN",
        "first_name": "WILLIAM",
        "middle_name": "B.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-29",
        "last_updated": "2015-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A31405",
            "primary": true
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "CA",
            "license": "A31405",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A314051",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Elaine Grace Agustin, N.P.
• Aura Lee Ah Kiong
• David Ahamba, M.D.
• Ahcs San Bernardino, LLC
• Ahcs San Bernardino, LLC
• Oluwatoyin Aina
• Kelsey Ainsworth
• Gabriella Aitcheson, MD
• Olatunji Ajibola, PHD
• Elaine Akers, RN

• Anesthesiology Physician in San Bernardino, CA
• Providers in San Bernardino, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2015; 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.