KIMBERLY GRATENSTEIN M.D.
NPI 1114161494
Anesthesiology in New York, NY
About Kimberly Gratenstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIMBERLY GRATENSTEIN M.D. (NPI 1114161494) is an individual anesthesiology provider in New York, New York, licensed in New York (257546) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Hca Florida St Petersburg Hospital, and is a graduate of Univ Of Central Florida, College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 3
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
Kimberly Gratenstein 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
8Medicare enrollment records show Kimberly Gratenstein reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange Park, FL 32003
- Reassigned Medicare billing, Florida enrollment
- 876 clinicians in this Medicare group
Wesley Chapel, FL 33544
- Reassigned Medicare billing, Florida enrollment
- 749 clinicians in this Medicare group
Clearwater, FL 33763
- Reassigned Medicare billing, Florida enrollment
- 64 clinicians in this Medicare group
Saint Petersburg, FL 33734
- Reassigned Medicare billing, Florida enrollment
- 122 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Florida enrollment
- 768 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Florida enrollment
- 1,887 clinicians in this Medicare group
Bradenton, FL 34209
- Reassigned Medicare billing, Florida enrollment
- 792 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 435 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida St Petersburg Hospital
Acute Care Hospitals · Saint Petersburg, FLMedicare 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.
Reported Quality Measures
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 10025
NEW YORK, NY 10025
NEW YORK, NY 10025
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 Kimberly Gratenstein's NPI number?
The NPI number for Kimberly Gratenstein is 1114161494. It was assigned to this individual provider in the NPPES registry on April 30, 2009.
Where is Kimberly Gratenstein located?
Kimberly Gratenstein practices at 1111 Amsterdam Ave Department Of Anesthesiology, New York, NY 10025. The listed phone number is (212) 523-2500.
What is Kimberly Gratenstein's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kimberly Gratenstein enrolled in Medicare?
Yes. Kimberly Gratenstein 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 Kimberly Gratenstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Gratenstein reassigns Medicare benefits to 8 organizations: Fleming Island Anesthesia LLC (Orange Park, FL), Greater Florida Anesthesiologists, LLC (Wesley Chapel, FL), Healthcare Career Services LLC (Clearwater, FL), Office Anesthesia Staffing (Saint Petersburg, FL), Ams National LLC (Pensacola, FL) and 3 more organizations, listed in the Medicare section above. 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 Kimberly Gratenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kimberly Gratenstein accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Kimberly Gratenstein 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 Kimberly Gratenstein affiliated with any hospitals?
According to CMS data, Kimberly Gratenstein is affiliated with Hca Florida St Petersburg Hospital.
When was this NPI record last updated?
The NPPES record for Kimberly Gratenstein was last updated on September 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Kimberly Gratenstein, M.D. · NPI 1114161494
Anesthesiology physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 30, 2009.
## Identity
- **NPI:** 1114161494 (Entity type: Individual)
- **Enumerated:** April 30, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 257546 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1111 AMSTERDAM AVE, DEPARTMENT OF ANESTHESIOLOGY, New York, NY 10025-1716
- **Phone:** (212) 523-2500
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Fleming Island Anesthesia LLC (NPI 1487945895, Orange Park, FL); Greater Florida Anesthesiologists, LLC (NPI 1659943827, Wesley Chapel, FL); Healthcare Career Services LLC (NPI 1790447910, Clearwater, FL); Office Anesthesia Staffing (NPI 1972232023, Saint Petersburg, FL); Ams National LLC (NPI 1316330830, Pensacola, FL); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Univ Of Central Florida, College Of Medicine, class of 2006
## Record status
- **NPPES last updated:** September 9, 2010
---
Source: [NPI Profile](https://npiprofile.com/npi/1114161494) · Data from the CMS NPPES public registry.