ZACHARY K JOHANNESEN
NPI 1215364120
Anesthesiologist Assistant in Savannah, GA

Q: What is Zachary Johannesen's NPI number?

The NPI number for Zachary Johannesen is 1215364120. It was assigned to this individual provider in the NPPES registry on October 9, 2013.

Q: What is Zachary Johannesen's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Active since October 09, 2013Accepts Medicare Assignment

5353 REYNOLDS REYNOLDS STREET, SAVANNAH, GA 31405(912) 819-6172 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Zachary K Johannesen NPPES

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

ZACHARY K JOHANNESEN (NPI 1215364120) is an individual anesthesiologist assistant in Savannah, Georgia, licensed in Georgia (6984) and active in the NPI registry since October 2013. He is affiliated with St Joseph's Hospital - Savannah and is a graduate of Other (2013).

NPPES Registry Identity

NPI1215364120

Entity TypeIndividualMale

Primary Taxonomy367H00000X

Provider Legal NameZACHARY K JOHANNESEN

Location Address5353 REYNOLDS REYNOLDS STREETSavannah, GA 31405-6015

Mailing Address255 W Michigan Ave, Po Box 11223Jackson, MI 49201-2218 · (800) 516-5315 · Fax (517) 787-7365

Phone(912) 819-6172

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateOctober 9, 2013

Last NPPES UpdateDecember 11, 2025

NPPES CertifiedDecember 11, 2025

✔ NPI 1215364120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in GA · 6984

Definition

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

5353 REYNOLDS REYNOLDS STREET, Savannah, GA 31405

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, Oscar Health, Oscar Insurance Company.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

Zachary K Johannesen 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 ID6103053012

PECOS Enrollment IDI20131223001126

Medicare Billing Reassignments

Medicare enrollment records show Zachary Johannesen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesia Consultants Of Savannah, PC

0.6 mi

Anesthesiology

4700 WATERS AVE
Savannah, GA 31404

Reassigned Medicare billing, Georgia enrollment
187 clinicians in this Medicare group

NPI 1679774343 (912) 354-3510

Coastal Ambulatory Anesthesia LLC

0.7 mi

Anesthesiology

1139 LEXINGTON AVE
Savannah, GA 31404

Reassigned Medicare billing, Georgia enrollment
468 clinicians in this Medicare group

NPI 1750753786 (912) 429-9020

Low Country Anesthesia, PA

36 mi

Anesthesiology

955 RIBAUT ROAD
Beaufort, SC 29902

Reassigned Medicare billing, South Carolina enrollment
109 clinicians in this Medicare group

NPI 1417928268 (843) 522-5087

American Anesthesiology Associates Of Georgia, LLC

214 mi

Anesthesiology

2171 WEST PARK COURT, SUITE A
Stone Mountain, GA 30087

Reassigned Medicare billing, Georgia enrollment
650 clinicians in this Medicare group

NPI 1528068673 (678) 514-1991

Gi Anesthesia Of Georgia LLC

222 mi

Nurse Anesthetist, Certified Registered

1955 TEXTILE WAY
Gainesville, GA 30501

Reassigned Medicare billing, Georgia enrollment
489 clinicians in this Medicare group

NPI 1326569187 (404) 888-7575

Anesthesia Dynamics LLC

324 mi

Anesthesiology

206 2ND ST E
Bradenton, FL 34208

Reassigned Medicare billing, Georgia enrollment
386 clinicians in this Medicare group

NPI 1073001012 (888) 851-4642

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 5

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 large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

21 services21 patients

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.

18 services18 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

15 services15 patients

Anesthesia for other procedure on forearm, wrist, or hand bones 01830

Anesthesia for procedures on forearm, wrist, or hand bones involves administering medications to block sensation in the specific area. It ensures you don't feel pain during the procedure. It can be local (numbing a small area) or regional (numbing a larger part of the body).

13 services12 patients

Anesthesia for other procedure on top of arm bone and shoulder joint 01630

Anesthesia for a procedure on the arm bone or shoulder joint involves using medication to numb the area or make you unconscious during surgery. This ensures you feel no pain during the procedure. It's a common and safe practice in medical surgeries.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

St Joseph's Hospital - Savannah

Acute Care Hospitals · Savannah, GA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110043

Location11705 Mercy BoulevardSavannah, GA 31419 · Chatham County

Emergency services

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 Zachary Johannesen's NPI number?

The NPI number for Zachary Johannesen is 1215364120. It was assigned to this individual provider in the NPPES registry on October 9, 2013.

Where is Zachary Johannesen located?

Zachary Johannesen practices at 5353 Reynolds Reynolds Street, Savannah, GA 31405. The listed phone number is (912) 819-6172.

What is Zachary Johannesen's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Zachary Johannesen enrolled in Medicare?

Yes. Zachary Johannesen 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 Zachary Johannesen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Johannesen reassigns Medicare benefits to 6 organizations: Anesthesia Consultants Of Savannah, PC (Savannah, GA), Coastal Ambulatory Anesthesia LLC (Savannah, GA), Low Country Anesthesia, PA (Beaufort, SC), American Anesthesiology Associates Of Georgia, LLC (Stone Mountain, GA), Gi Anesthesia Of Georgia LLC (Gainesville, GA) and 1 more organization, 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 Zachary Johannesen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Johannesen accept?

Health plans from BlueCross BlueShield of South Carolina, Oscar Health and Oscar Insurance Company list Zachary Johannesen 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 Zachary Johannesen affiliated with any hospitals?

According to CMS data, Zachary Johannesen is affiliated with St Joseph's Hospital - Savannah.

When was this NPI record last updated?

The NPPES record for Zachary Johannesen was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.