MARY E AHN (CRNA) – Certified Registered Nurse Anesthetist, NPI 1568435766
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,692 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MI
Provider Addresses for MARY E AHN (CRNA)
1116 CHESTNUT ST
ANN ARBOR, MI 481042826
Phone: (215) 349-8310
Type: Mailing
3621 S STATE ST
ANN ARBOR, MI 481081633
Phone: (734) 647-5299
Type: Mailing
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 481095000
Phone: (734) 936-4000
Type: Location
505 PEACHTREE ST NE STE 1660
ATLANTA, GA 303083108
Phone: (404) 881-1094
Type: Location
Forest Health Medical Center, 135, South Prospect Street, Depot Town, Ypsilanti, Washtenaw County, Michigan, 48198, United States
YPSILANTI, MI 481987914
Phone: (734) 547-4700
Type: Location
2425 PEACHTREE RD NE UNIT 1404
ATLANTA, GA 303054427
Phone: (734) 647-5299
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-12-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040820000779 | I | Certified Registered Nurse Anesthetist (Crna) | PA | TBD |
| I20200915002724 | I | Certified Registered Nurse Anesthetist (Crna) | MI | TBD |
| I20241223002743 | I | Certified Registered Nurse Anesthetist (Crna) | GA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 111 | 111 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 31 | 31 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 30 | 30 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 29 | 29 | $0 |
Insurance plans in this area (ZIP 48104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Certified Registered Nurse Anesthetist (Crna) | NM | |
| Gastroenterology, Anesthesiology | MS | |
| Anesthesiology Assistant | GA | |
| Anesthesiology Assistant | GA | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Certified Registered Nurse Anesthetist (Crna) | NC | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Certified Registered Nurse Anesthetist (Crna) | GA |
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