NPIMap

Individual provider Active NPI

Ayan Tyagi Kumar, MD

  • Otolaryngology Physician
  • Philadelphia, PA
National Provider Identifier
1447818398
Registry record updated Sep 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
MED-PHYS-LIC-163583 Issued in MT
Practice address
925 Chestnut St FL 6
Philadelphia, PA 19107-4204
Phone
(732) 425-2230
NPI assigned
Jun 4, 2019
Last updated
Sep 19, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X MED-PHYS-LIC-163583 MT Primary

Addresses

Primary practice location

925 Chestnut St FL 6
Philadelphia, PA 19107-4204

Mailing address

206 S 13TH St Apt 2008
Philadelphia, PA 19107-5432
Phone (732) 425-2230

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, MT, NY3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20250926003389 AZ Practitioner - Otolaryngology 7517292360 Reassigns benefits to 1 organization
I20251001003799 MT Practitioner - Otolaryngology 7517292360 Reassigns benefits to 1 organization
I20260205001166 NY Practitioner - Otolaryngology 7517292360 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wyckoff Professional Medical Services PCGroup PAC ID 6406748607, 154 clinicians
Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Practice addresses (Care Compare)

374 Stockholm St
Brooklyn, NY 11237-4006
Phone (718) 963-7266

801 N 29TH St
Billings, MT 59101-0905
Phone (406) 238-2500

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MED-PHYS-LIC-163583MTMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wyckoff Professional Medical Services, PC CurrentSince Dec 15, 2025 Accepting new patients
Enticare PC CurrentSince Oct 1, 2025 Accepting new patients
Central Washington Health Services Association Current Accepting new patients
Billings Clinic CurrentSince Sep 16, 2025 Accepting new patients
Central Washington Health Services Association CurrentSince Nov 1, 2025 Accepting new patients
Billings Clinic Current Accepting new patients
Billings Clinic Past Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients
Ozark Tri-County Health Care Consortium Otolaryngology Past Accepting new patients

Locations

1968 N Peart Rd
Ste 20
Casa Grande, AZ 85122

2051 W Chandler Blvd
Ste 5
Chandler, AZ 85224
Phone (480) 672-2964

7301 E 2nd St
Ste 308
Scottsdale, AZ 85251
Phone (480) 949-1212

801 N 29th St
Billings, MT 59101
Phone (406) 238-2210

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

374 Stockholm St
Brooklyn, NY 11237
Phone (718) 963-6485

820 N Chelan Ave
Wenatchee, WA 98801
Phone (509) 863-4868

707 N Emerson Ave
Wenatchee, WA 98801
Phone (509) 662-6109

933 Red Apple Rd
Wenatchee, WA 98801
Phone (509) 655-6125

Networks

  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H1722

Interoperability endpoints

  • Direct secure messaging: akumar4093675@nychhc.direct-ci.com
  • Direct secure messaging: akumar642838@nyumc.direct-ci.com

Organizations & group practices 10

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.

Hospital & facility affiliations 9

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

NPI Registry JSON

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

{
    "created_epoch": "1559606400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758240000000",
    "number": "1447818398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "206 S 13TH ST APT 2008",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191075432",
            "telephone_number": "732-425-2230"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "925 CHESTNUT ST FL 6",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191074204",
            "telephone_number": "732-425-2230"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KUMAR",
        "first_name": "AYAN",
        "middle_name": "TYAGI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-04",
        "last_updated": "2025-09-19",
        "certification_date": "2025-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "MT",
            "license": "MED-PHYS-LIC-163583",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.