Individual provider Active NPI

Karen Piper, CRNA

  • Certified Registered Nurse Anesthetist
  • Royal Oak, MI
National Provider Identifier
1700855764
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4704211505 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 14, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 4704211505 MI Primary

Addresses

Primary practice location

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

Mailing address

3601 W. 13 Mile Rd
400 FSC PCS
Royal Oak, MI 48073-6769
Phone (248) 423-2481

Other identifiers 2

IdentifierTypeStateIssuer
4519975MedicaidMI
430F0366420OtherMIBCBSM

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100727000583 MI Practitioner - Certified Registered Nurse Anesthetist (Crna) 7719010875 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Munson Medical GroupGroup PAC ID 8820277015, 191 clinicians

Practice addresses (Care Compare)

1200 6TH St
Traverse City, MI 49684-2369
Phone (231) 935-5800

1465 E Parkdale Ave
Manistee, MI 49660-9709
Phone (231) 398-1000

Hospital & facility affiliations

  • Munson Healthcare Manistee Hospital Hospital, Manistee, MI, CCN 230303

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Environ Anesthesia, LLC. Nurse Anesthetist, Certified Registered CurrentSince Jun 24, 2018 Accepting new patients
Waterford Anesthesia, PLLC CurrentSince Oct 5, 2019 Accepting new patients
Henry Ford Health Genesys Hospital Nurse Anesthetist, Certified Registered CurrentSince Jul 24, 2011 Accepting new patients
Munson Medical Group CurrentSince Sep 16, 2022 Accepting new patients
Munson Medical Group Nurse Anesthetist, Certified Registered CurrentSince Sep 16, 2022 Accepting new patients
Superior Anesthetists Associates, Inc. CurrentSince Jan 21, 2017 Accepting new patients
Eastside Group LLC Nurse Anesthetist, Certified Registered CurrentSince Jun 12, 2019 Accepting new patients
West Michigan Aas LLC CurrentSince May 15, 2020 Accepting new patients
Ascension Genesys Hospital CurrentSince Jul 24, 2011 Accepting new patients
William Beaumont Hospital CurrentSince Jun 13, 2003 Accepting new patients
Munson Medical Group Current Accepting new patients
William Beaumont Hospital Nurse Anesthetist, Certified Registered CurrentSince Jun 13, 2003 Accepting new patients
Northstar Anesthesia of Michigan II PC Nurse Anesthetist, Certified Registered CurrentSince Mar 1, 2014 Accepting new patients
Waterford Surgical Center, LLC Past Accepting new patients

Locations

2891 Momentum Pl
Chicago, IL 60689

7794 Solution Ctr
Chicago, IL 60677

949 National Ave
Ste 151
Lexington, KY 40502
Phone (859) 509-8399

5701 Bow Pointe Dr
Ste 145
Clarkston, MI 48346
Phone (248) 922-4800

1 Genesys Pkwy
#H
Grand Blanc, MI 48439

4024 Park East Ct SE
Grand Rapids, MI 49546
Phone (231) 592-3102

3400 E Jolly Rd
Lansing, MI 48910
Phone (517) 272-1063

1707 Lake Lansing Rd
Lansing, MI 48912
Phone (517) 267-0033

1546 Callis Rd
Lapeer, MI 48446
Phone (810) 667-4000

17700 23 Mile Rd
Ste 250
Macomb, MI 48044
Phone (586) 416-7500

43422 W Oaks Dr
Novi, MI 48377
Phone (248) 229-4658

26750 Providence Pkwy
Ste 100
Novi, MI 48374
Phone (248) 662-1500

326 N Main St
Royal Oak, MI 48067
Phone (248) 584-7600

3601 W 13 Mile Rd
#400
Royal Oak, MI 48073
Phone (248) 423-2481

3601 W 13 Mile Rd
Royal Oak, MI 48073

5400 Mackinaw Rd
Ste 6100
Saginaw, MI 48604
Phone (989) 792-3100

28963 Little Mack Ave
Ste 10
St Clr Shores, MI 48081
Phone (586) 447-5110

28963 Little Mack Ave
Ste 103
St Clr Shores, MI 48081
Phone (586) 447-5110

1200 Sixth St
Ste 200
Traverse City, MI 49684

4100 Park Forest Dr
Traverse City, MI 49684
Phone (231) 392-8900

1105 Sixth St
Traverse City, MI 49684
Phone (231) 922-9000

1560 E Maple Rd
#100
Troy, MI 48083
Phone (248) 817-2001

4550 Investment Dr
Troy, MI 48098
Phone (248) 265-4600

5220 Highland Rd
Ste 1
Waterford, MI 48327
Phone (248) 886-5555

5220 Highland Rd
Ste 100
Waterford, MI 48327
Phone (248) 461-2800

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/8209/brand/5/csg/21/fhir/r4

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1700855764",
    "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": "PIPER",
        "first_name": "KAREN",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704211505",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4519975",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSM",
            "identifier": "430F0366420",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Royal Oak, MI

Sources for this page

  • 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.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.