LINA NAYAK M.D.
NPI 1437461209
Student in an Organized Health Care Education/Training Program in Stanford, CA
About Lina Nayak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LINA NAYAK M.D. (NPI 1437461209) is an individual student in an organized health care education/training program in Stanford, California and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2010).
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
Lina Nayak 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
2Medicare enrollment records show Lina Nayak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 336 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 3
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Lina Nayak's NPI number?
The NPI number for Lina Nayak is 1437461209. It was assigned to this individual provider in the NPPES registry on July 9, 2010.
Where is Lina Nayak located?
Lina Nayak practices at 300 Pasteur Dr Stanford Medicine Residency Office, Grant S101, Stanford, CA 94305. The listed phone number is (650) 498-4559.
What is Lina Nayak's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Lina Nayak enrolled in Medicare?
Yes. Lina Nayak 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 Lina Nayak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lina Nayak reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and University Of California Sfgh Medical Group (San Francisco, CA). 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 Lina Nayak'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 Lina Nayak was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Lina Nayak, M.D. · NPI 1437461209
Student in an Organized Health Care Education/Training Program provider in Stanford, California. Individual provider, active in the CMS NPPES registry since July 9, 2010.
## Identity
- **NPI:** 1437461209 (Entity type: Individual)
- **Enumerated:** July 9, 2010
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, STANFORD MEDICINE RESIDENCY OFFICE, GRANT S101, Stanford, CA 94305-2200
- **Phone:** (650) 498-4559 · **Fax:** (650) 498-6205
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); University Of California Sfgh Medical Group (NPI 1063487122, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1437461209) · Data from the CMS NPPES public registry.