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Anesthesiology

Kimberly B. Gratenstein, MD

Works at hospitals in Saint Petersburg, FL · Florida

Summary

Dr. Kimberly B. Gratenstein, MD is an anesthesiologist at 6500 38th Ave N, St Petersburg, FL 33710. Phone: (727) 384-1414. Accepts Medicare assignment. In 2024, Kimberly B. Gratenstein had 55 Original Medicare patients and 68 services. NPI 1114161494. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 6500 38th Ave N, St Petersburg, FL 33710 · Directions (1 more location)
  • Phone: (727) 384‑1414
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA Florida St Petersburg Hospital
  • Group practice: Sunshine State Anesthesia Partners LLC (+1 more)
  • Medical school: Univ Of Central Florida, College Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kimberly B. Gratenstein, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kimberly B. Gratenstein accept Medicare assignment?
Yes. Medicare's clinician data says Kimberly B. Gratenstein accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kimberly B. Gratenstein see?
In 2024, CMS data shows 55 Original Medicare patients and 68 services for Kimberly B. Gratenstein. This counts Original Medicare only and measures volume, not quality.
What is Kimberly B. Gratenstein's NPI number?
1114161494. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kimberly B. Gratenstein, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients55
Services billed to Medicare68
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Arthritis75%
  • High blood pressure73%
  • Anxiety36%
  • Depression35%
  • Osteoporosis25%

Hospitals where Kimberly B. Gratenstein works

Medicare's Facility Affiliation Data lists Kimberly B. Gratenstein at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kimberly B. Gratenstein is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kimberly B. Gratenstein as a member of these groups (CMS data updated October 2, 2026).

  • Sunshine State Anesthesia Partners LLC425 clinicians in the group
  • Healthcare Career Services LLC29 clinicians in the group

Specialties

Find other Anesthesiology doctors in Florida →

Other anesthesiologists in St Petersburg

Clinicians with the same Medicare primary specialty in St Petersburg, FL — not a recommendation.

All anesthesiologists in St Petersburg →

Other clinicians in Sunshine State Anesthesia Partners LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniv Of Central Florida, College Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114161494
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians