DR. NIKOLAUS LEE GRAVENSTEIN M.D.
NPI 1760800569
Anesthesiology in Tampa, FL

Active since March 31, 2014PECOS EnrolledAccepts Medicare Assignment
449 S 12TH ST UNIT 1003, TAMPA, FL 33602(352) 494-0288 Get Directions Write a Review

NPPES record last updated: March 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2024, Sep 17, 2018 (2 updates tracked since 2018).

About Dr. Nikolaus Lee Gravenstein M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NIKOLAUS LEE GRAVENSTEIN M.D. (NPI 1760800569) is an individual anesthesiology provider in Tampa, Florida, licensed in Florida (ME135719) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Hca Florida St Petersburg Hospital, and is a graduate of University Of Florida College Of Medicine (2014).

NPPES Registry Identity

NPI1760800569
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. NIKOLAUS LEE GRAVENSTEINCredential: M.D.
Location Address449 S 12TH ST UNIT 1003Tampa, FL 33602-5608
Mailing Address2995 Drew StClearwater, FL 33759-3012 · (727) 315-7496
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2014
Enumeration DateMarch 31, 2014
Last NPPES UpdateMarch 7, 20242 updates tracked since enumeration
NPPES CertifiedMarch 7, 2024
✔ NPI 1760800569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME135719
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
449 S 12TH ST UNIT 1003, Tampa, FL 33602

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

Dr. Nikolaus Lee Gravenstein 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.

PECOS PAC ID6507086717
PECOS Enrollment IDI20181126002067
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Nikolaus Gravenstein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
2995 DREW ST FL 2
Clearwater, FL 33759
  • Reassigned Medicare billing, Florida enrollment
  • 2,009 clinicians in this Medicare group
Anesthesiology
2020 59TH ST W
Bradenton, FL 34209
  • Reassigned Medicare billing, Florida enrollment
  • 792 clinicians in this Medicare group
Anesthesiology
1305 WALT WHITMAN RD STE 300
Melville, NY 11747
  • Reassigned Medicare billing, Florida enrollment
  • 628 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.

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, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100180
Location6500 38th Ave NSaint Petersburg, FL 33710 · Pinellas County
Emergency services Birthing friendly

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 Nikolaus Gravenstein's NPI number?

The NPI number for Nikolaus Gravenstein is 1760800569. It was assigned to this individual provider in the NPPES registry on March 31, 2014.

Where is Nikolaus Gravenstein located?

Nikolaus Gravenstein practices at 449 S 12th St Unit 1003, Tampa, FL 33602. The listed phone number is (352) 494-0288.

What is Nikolaus Gravenstein's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Nikolaus Gravenstein enrolled in Medicare?

Yes. Nikolaus Gravenstein 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 Nikolaus Gravenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nikolaus Gravenstein reassigns Medicare benefits to 3 organizations: Baycare Medical Group, Inc. (Clearwater, FL), Sunshine State Anesthesia Partners LLC (Bradenton, FL) and American Anesthesiology Services Of Florida, Inc. (Melville, 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 Nikolaus Gravenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nikolaus Gravenstein accept?

Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Nikolaus Gravenstein 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 Nikolaus Gravenstein affiliated with any hospitals?

According to CMS data, Nikolaus Gravenstein is affiliated with Hca Florida St Petersburg Hospital.

When was this NPI record last updated?

The NPPES record for Nikolaus Gravenstein was last updated on March 7, 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.