MARY E AHN CRNA
NPI 1568435766
Nurse Anesthetist, Certified Registered in Atlanta, GA

Active since February 08, 2006Accepts Medicare Assignment
505 PEACHTREE ST NE STE 1660, ATLANTA, GA 30308(404) 881-1094 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 18, 2020, Sep 15, 2020 (2 updates tracked since 2020).

About Mary E Ahn Crna NPPES

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

MARY E AHN CRNA (NPI 1568435766) is an individual nurse anesthetist, certified registered in Atlanta, Georgia, licensed in Georgia (RN332897) and active in the NPI registry since February 2006. She is a graduate of Other (1997).

NPPES Registry Identity

NPI1568435766
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMARY E AHNCredential: CRNA
Location Address505 PEACHTREE ST NE STE 1660Atlanta, GA 30308-3108
Mailing Address2425 Peachtree Rd Ne Unit 1404Atlanta, GA 30305-4427 · (734) 647-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateFebruary 8, 2006
Last NPPES UpdateOctober 21, 20252 updates tracked since enumeration
NPPES CertifiedOctober 21, 2025
NPI 1568435766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses Licensed in GA · RN332897 Licensed in MI · 4704361784
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
505 PEACHTREE ST NE STE 1660, Atlanta, GA 30308

Other Names 1

Former Name (1)Mary E Huefner Crna

Accepted 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

Mary E Ahn Crna 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 ID2062486533
PECOS Enrollment IDI20241223002743

Areas of Expertise CMS Part B claims 4

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.
72 services72 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.
33 services33 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
12 services12 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mary Ahn's NPI number?

The NPI number for Mary Ahn is 1568435766. It was assigned to this individual provider in the NPPES registry on February 8, 2006. The provider is also known as Mary E Huefner Crna.

Where is Mary Ahn located?

Mary Ahn practices at 505 Peachtree St NE Ste 1660, Atlanta, GA 30308. The listed phone number is (404) 881-1094.

What is Mary Ahn's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Mary Ahn enrolled in Medicare?

Yes. Mary Ahn 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 Mary Ahn accept?

Health plans from Oscar Insurance Company and Priority Health list Mary Ahn 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.

When was this NPI record last updated?

The NPPES record for Mary Ahn was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.