ADA LYN YAO M.D.
NPI 1891100590
Physical Medicine & Rehabilitation - Pain Medicine in New York, NY
About Ada Lyn Yao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADA LYN YAO M.D. (NPI 1891100590) is an individual pain medicine provider in New York, New York, licensed in New York (311679) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Ada Lyn Yao M.d. 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
5Medicare enrollment records show Ada Lyn Yao reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 272 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
NEW YORK, NY 10037
NEW YORK, NY 10037
NEW YORK, NY 10037
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 Ada Lyn Yao's NPI number?
The NPI number for Ada Lyn Yao is 1891100590. It was assigned to this individual provider in the NPPES registry on June 23, 2014.
Where is Ada Lyn Yao located?
Ada Lyn Yao practices at 506 Malcolm X Blvd, New York, NY 10037. The listed phone number is (212) 939-1000.
What is Ada Lyn Yao's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.
Is Ada Lyn Yao enrolled in Medicare?
Yes. Ada Lyn Yao 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 Ada Lyn Yao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ada Lyn Yao reassigns Medicare benefits to 5 organizations: Physician Affiliate Group Of New York PC (New York, NY), Shakespeare Operating LLC (Bronx, NY), Essen Medical Associates, PC (Bronx, NY), House Call Medical Services Of New York, PLLC (Bronx, NY) and Bronx Medical Practice P.C. (Bronx, NY). 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 Ada Lyn Yao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ada Lyn Yao was last updated on October 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Ada Lyn Yao, M.D. · NPI 1891100590
Pain Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 23, 2014.
## Identity
- **NPI:** 1891100590 (Entity type: Individual)
- **Enumerated:** June 23, 2014
- **Primary specialty:** Physical Medicine & Rehabilitation - Pain Medicine · taxonomy 2081P2900X
- **State license:** 311679 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 506 MALCOLM X BLVD, New York, NY 10037-1802
- **Phone:** (212) 939-1000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Shakespeare Operating LLC (NPI 1720634538, Bronx, NY); Essen Medical Associates, PC (NPI 1366418709, Bronx, NY); House Call Medical Services Of New York, PLLC (NPI 1851345946, Bronx, NY); Bronx Medical Practice P.C. (NPI 1356726087, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1891100590) · Data from the CMS NPPES public registry.