Margaret Ohryn, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

4704118576 Issued in MI

Practice address

3601 W. 13 Mile Rd
400 FSC-PCS
Royal Oak, MI 48073-6769

Phone

(248) 423-2481

NPI assigned

Mar 9, 2006

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MI

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Michigan Crnas Staffing LLC

  • Anesthesiology Physician
  • Novi, MI
  • NPI 1851666424
  Medicare reassignment NPD
• Northwestern Services, LLC

  • Certified Registered Nurse Anesthetist
  • Farmington Hills, MI
  • NPI 1215106679

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• The Digestive Endoscopy Center of Michigan LLC

  • Anesthesiology Physician
  • Flint, MI
  • NPI 1477861045

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• West Michigan Aas LLC

  • Anesthesiology Physician
  • Novi, MI
  • NPI 1295149227
  Medicare reassignment NPD
• Northwestern Services, LLC

  • Anesthesiology Physician
  • Farmington Hills, MI
  • NPI 1083883649
  NPD
• The Digestive Endoscopy Center of Michigan LLC

  • Ambulatory Surgical Clinic/Center
  • Flint, MI
  • NPI 1629173075
  NPD
• Beaumont West Bloomfield ASC LLC

  • Certified Registered Nurse Anesthetist
  • W Bloomfield, MI
  • NPI 1275790206

  Nurse Anesthetist, Certified Registered

  NPD (past)
• St. Joseph Mercy Hospital Crna Group

  • Certified Registered Nurse Anesthetist
  • Pontiac, MI
  • NPI 1568493047

  Nurse Anesthetist, Certified Registered

  NPD (past)
• Northstar Anesthesia of Michigan II PC

  • Anesthesiology Physician
  • Irving, TX
  • NPI 1437268026

  Nurse Anesthetist, Certified Registered

  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1568430247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3601 W. 13 MILE RD",
            "address_2": "400 FSC-PCS",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736769",
            "telephone_number": "248-423-2481"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 W. 13 MILE RD",
            "address_2": "400 FSC-PCS",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736769",
            "telephone_number": "248-423-2481"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OHRYN",
        "first_name": "MARGARET",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704118576",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4304944",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jacqueline S Odom, PHD
• Nicole E. Odom, NP-C
• Rosemary Ngozi Ogbonna, MD
• Amber C Ogletree, NP
• Samantha Ogunsemi, DO (IP)
• Yoshio Okumura, MD
• Murray Joseph Olaughlin
• Sheena A Olave, MA
• Leah Marie Oldham, RDN
• Nicholas Olen, D.O.

• Certified Registered Nurse Anesthetist in Royal Oak, MI
• Providers in Royal Oak, MI by specialty
• Certified Registered Nurse Anesthetist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.