AYAN TYAGI KUMAR MD
NPI 1447818398
Otolaryngology in Philadelphia, PA
About Ayan Tyagi Kumar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AYAN TYAGI KUMAR MD (NPI 1447818398) is an individual otolaryngology provider in Philadelphia, Pennsylvania, licensed in Montana (MED-PHYS-LIC-163583) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ayan Tyagi Kumar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Ayan Kumar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11237
- Reassigned Medicare billing, New York enrollment
- 427 clinicians in this Medicare group
New York, NY 10128
- Reassigned Medicare billing, New York enrollment
- 7 clinicians in this Medicare group
Miles City, MT 59301
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Chandler, AZ 85224
- Reassigned Medicare billing, Arizona enrollment
- 22 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTConfluence Health Hospital
Acute Care Hospitals · Wenatchee, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ayan Kumar's NPI number?
The NPI number for Ayan Kumar is 1447818398. It was assigned to this individual provider in the NPPES registry on June 4, 2019.
Where is Ayan Kumar located?
Ayan Kumar practices at 925 Chestnut St Fl 6, Philadelphia, PA 19107. The listed phone number is (732) 425-2230.
What is Ayan Kumar's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Ayan Kumar enrolled in Medicare?
Yes. Ayan Kumar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ayan Kumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ayan Kumar reassigns Medicare benefits to 4 organizations: Wyckoff Professional Medical Services, PC (Brooklyn, NY), Markowitz Medical PLLC (New York, NY), Billings Clinic (Miles City, MT) and Enticare PC (Chandler, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ayan Kumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ayan Kumar accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Ayan Kumar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ayan Kumar affiliated with any hospitals?
According to CMS data, Ayan Kumar is affiliated with Billings Clinic and Confluence Health Hospital.
When was this NPI record last updated?
The NPPES record for Ayan Kumar was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ayan Tyagi Kumar, MD · NPI 1447818398
Otolaryngology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 4, 2019.
## Identity
- **NPI:** 1447818398 (Entity type: Individual)
- **Enumerated:** June 4, 2019
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** MED-PHYS-LIC-163583 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 925 CHESTNUT ST FL 6, Philadelphia, PA 19107-4204
- **Phone:** (732) 425-2230
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Wyckoff Professional Medical Services, PC (NPI 1659710796, Brooklyn, NY); Markowitz Medical PLLC (NPI 1225636384, New York, NY); Billings Clinic (NPI 1427194836, Miles City, MT); Enticare PC (NPI 1710014410, Chandler, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1447818398) · Data from the CMS NPPES public registry.