LAUREN M THAYER NP
NPI 1699217851
Nurse Practitioner - Acute Care in New York, NY
About Lauren M Thayer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN M THAYER NP (NPI 1699217851) is an individual acute care provider in New York, New York, licensed in New York (431074) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Lauren M Thayer Np 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 Lauren Thayer 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 10065
- Reassigned Medicare billing, New York enrollment
- 428 clinicians in this Medicare group
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 248 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 10065
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 Lauren Thayer's NPI number?
The NPI number for Lauren Thayer is 1699217851. It was assigned to this individual provider in the NPPES registry on November 4, 2016. The provider is also known as Lauren M O'neil.
Where is Lauren Thayer located?
Lauren Thayer practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-2000.
What is Lauren Thayer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Lauren Thayer enrolled in Medicare?
Yes. Lauren Thayer 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 Lauren Thayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Thayer reassigns Medicare benefits to 5 organizations: Memorial Hematology Lymphoma Group (New York, NY), Mskcc Clinical Practice Plan (New York, NY), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Lauren Thayer'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 Lauren Thayer was last updated on February 27, 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.
# Lauren M Thayer, NP · NPI 1699217851
Acute Care physician in New York, New York. Individual provider, active in the CMS NPPES registry since November 4, 2016.
## Identity
- **NPI:** 1699217851 (Entity type: Individual)
- **Enumerated:** November 4, 2016
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 431074 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1275 YORK AVE, New York, NY 10065-6007
- **Phone:** (212) 639-2000
## 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): Memorial Hematology Lymphoma Group (NPI 1891766366, New York, NY); Mskcc Clinical Practice Plan (NPI 1306096508, New York, NY); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1699217851) · Data from the CMS NPPES public registry.