STEFAN J GRENVIK MD
NPI 1770513913
Anesthesiology in Bristol, TN

Q: What is Stefan Grenvik's NPI number?

The NPI number for Stefan Grenvik is 1770513913. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Q: What is Stefan Grenvik's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stefan Grenvik was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 04, 2006PECOS EnrolledAccepts Medicare Assignment

1 MEDICAL PARK BLVD, BRISTOL, TN 37620(423) 968-4540(423) 968-5697 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Stefan J Grenvik Md NPPES

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

STEFAN J GRENVIK MD (NPI 1770513913) is an individual anesthesiology provider in Bristol, Tennessee, licensed in Tennessee (MD024364) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (1989).

NPPES Registry Identity

NPI1770513913

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameSTEFAN J GRENVIKCredential: MD

Location Address1 MEDICAL PARK BLVDBristol, TN 37620-7430

Mailing Address350 Blountville Hwy, Suite 207Bristol, TN 37620-0213 · (423) 968-4540 · Fax (423) 968-5697

Phone(423) 968-4540

Fax(423) 968-5697

Sole ProprietorNo

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1989

Enumeration DateJuly 4, 2006

Last NPPES UpdateMarch 7, 2023

✔ NPI 1770513913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in TN · MD024364

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.

1 MEDICAL PARK BLVD, Bristol, TN 37620

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stefan J Grenvik Md 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 ID9638197544

PECOS Enrollment IDI20240724002182

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.

Areas of Expertise CMS Part B claims 7

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

33 services32 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

18 services18 patients

Injection of anesthetic agent and/or steroid into other nerve or branch 64450

This procedure involves injecting an anesthetic agent or steroid into a specific nerve or its branch. The goal is to relieve pain by reducing inflammation and numbing the area. It is commonly used for chronic pain management. The process is safe and usually quick.

16 services16 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

15 services15 patients

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480

Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.

14 services13 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ochsner Lafayette General Medical Center

Acute Care Hospitals · Lafayette, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190002

Location1214 Coolidge AvenueLafayette, LA 70503 · Lafayette County

Emergency services Birthing friendly

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.

CASSONDRA NICHOLE COMPTON CRNA

Nurse Anesthetist, Certified Registered

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-2686

DAVID R HUDGENS M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-3220

DR. JEAN MARIE MANCINI M.D.

Internal Medicine

1 MEDICAL PARK BLVD, STE 450W
BRISTOL, TN 37620

Sullivan County (423) 968-3713

THOMAS A KITTS MD

Emergency Medicine

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-2100

LAURA ANN ELLER AGACNP

Nurse Practitioner (Critical Care Medicine)

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-1121

DR. WALTER DAVIS ARNOLD JR. MD

Internal Medicine

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 282-1480

DR. KARL E LAWRENCE M.D.

Internal Medicine

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-1121

DR. MICHAEL WAYNE RENTZ MD

Pathology (Anatomic Pathology & Clinical Pathology)

1 MEDICAL PARK BLVD
BRISTOL, TN 37620

Sullivan County (423) 844-3220

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 Stefan Grenvik's NPI number?

The NPI number for Stefan Grenvik is 1770513913. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Stefan Grenvik located?

Stefan Grenvik practices at 1 Medical Park Blvd, Bristol, TN 37620. The listed phone number is (423) 968-4540.

What is Stefan Grenvik's specialty?

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

Is Stefan Grenvik enrolled in Medicare?

Yes. Stefan Grenvik 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.

What insurance does Stefan Grenvik accept?

Health plans from HMO Louisiana list Stefan Grenvik 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 Stefan Grenvik affiliated with any hospitals?

According to CMS data, Stefan Grenvik is affiliated with Ochsner Lafayette General Medical Center.

When was this NPI record last updated?

The NPPES record for Stefan Grenvik was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.