DR. ELIZABETH F RIETH M.D.
NPI 1215154281
Anesthesiology in New York, NY
About Dr. Elizabeth F Rieth M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH F RIETH M.D. (NPI 1215154281) is an individual anesthesiology provider in New York, New York, licensed in New York (234904) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2003).
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
Dr. Elizabeth F Rieth 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
4Medicare enrollment records show Elizabeth Rieth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 482 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 1,074 clinicians in this Medicare group
Valley Stream, NY 11581
- Reassigned Medicare billing, New York enrollment
- 305 clinicians in this Medicare group
Commack, NY 11725
- Reassigned Medicare billing, New York enrollment
- 265 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 11
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.
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 10021
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 Elizabeth Rieth's NPI number?
The NPI number for Elizabeth Rieth is 1215154281. It was assigned to this individual provider in the NPPES registry on April 19, 2007.
Where is Elizabeth Rieth located?
Elizabeth Rieth practices at 1275 York Ave Mskcc, Dept Of Anesthesia, New York, NY 10021. The listed phone number is (212) 439-6013.
What is Elizabeth Rieth's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Elizabeth Rieth enrolled in Medicare?
Yes. Elizabeth Rieth 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 Elizabeth Rieth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Rieth reassigns Medicare benefits to 4 organizations: Memorial Anesthesiology Group (New York, NY), New York University (New York, NY), Sedation Vacation Perioperative Medicine PLLC (Valley Stream, NY) and Mskcc Regional Network (Commack, 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 Elizabeth Rieth'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 Elizabeth Rieth was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Elizabeth F Rieth, M.D. · NPI 1215154281
Anesthesiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 19, 2007.
## Identity
- **NPI:** 1215154281 (Entity type: Individual)
- **Enumerated:** April 19, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 234904 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1275 YORK AVE, MSKCC, DEPT OF ANESTHESIA, New York, NY 10021-6007
- **Phone:** (212) 439-6013
## 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): Memorial Anesthesiology Group (NPI 1467423020, New York, NY); New York University (NPI 1851341168, New York, NY); Sedation Vacation Perioperative Medicine PLLC (NPI 1891235404, Valley Stream, NY); Mskcc Regional Network (NPI 1740251297, Commack, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2003
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1215154281) · Data from the CMS NPPES public registry.