Doctor profile · Federal record

Dr. Margaret Ohryn, CRNA

Certified Registered Nurse Anesthetist · Royal Oak, MI

  • NPI 1568430247
  • 20 yrs on file
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 W. 13 Mile RD, 400 Fsc-Pcs
Royal Oak, MI 480736769
(248) 423-2481

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
367500000X — NUCC code
State license (1)
Michigan #4704118576
Medicaid
MI #4304944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568430247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
2
Medicare allowed
$1,212
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 11 11 $65
00812 Anesthesia for exam of colon using an endoscope 11 11 $46

In context: peer comparison

Among 52 peers in Royal Oak Certified Registered Nurse Anesthetist, average services per provider: 27. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$148
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Fisher & Paykel Healthcare INC 1 $83.51
Janssen Biotech, INC. 2 $48.53
Takeda Pharmaceuticals U.S.A., INC. 1 $16.13

By nature of payment

Food and Beverage
$148

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Ohryn's medical specialty?
Dr. Margaret Ohryn practices Certified Registered Nurse Anesthetist in Royal Oak, MI.
Where does Dr. Margaret Ohryn practice?
Dr. Margaret Ohryn practices at 3601 W. 13 Mile RD, Royal Oak, MI 480736769. Office phone: 2484232481.
What is Dr. Margaret Ohryn's NPI?
Dr. Margaret Ohryn's National Provider Identifier (NPI) is 1568430247, issued by NPPES.
What procedures does Dr. Margaret Ohryn commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.