Marcella Sue Welker, N.P.

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

4704171054 Issued in MI

Practice address

4450 Fashion Square Blvd
Saginaw, MI 48603-1251

Phone

(989) 792-4090

Fax

(989) 792-4094

NPI assigned

Jul 18, 2005

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

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Comprehensive Pain Specialists, PLLCGroup PAC ID 6507099207, 12 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marcella.welker@comppainspecialists.ssdirect.aprima.com

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.

• Comprehensive Pain Specialists, PLLC

  • Interventional Pain Medicine Physician
  • Saginaw, MI
  • NPI 1013331180
  Medicare reassignment Care Compare group NPD
• Comprehensive Pain Specialists, PLLC

  • Interventional Pain Medicine Physician
  • Midland, MI
  • NPI 1558903294
  NPD
• J.Robert Vankirk Anesthesia Services, Inc.

  • Specialist
  • Freeland, MI
  • NPI 1023035771
  NPD (past)

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

{
    "created_epoch": "1121644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1073512646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4450 FASHION SQUARE BLVD",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486031251",
            "telephone_number": "989-792-4090",
            "fax_number": "989-792-4094"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4450 FASHION SQUARE BLVD",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486031251",
            "telephone_number": "989-792-4090",
            "fax_number": "989-792-4094"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WELKER",
        "first_name": "MARCELLA",
        "middle_name": "SUE",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MI",
            "license": "4704171054",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashanta Danielle Welch
• Justin Enoch Welch
• Matthew Frank Welch, RPH MBA
• Nancy Welch
• Shanice Welch
• Amy Wells
• Jordan Wells
• Marquita Wells
• Stacey Wendling, MSN, RN, FNP-C, CFCN
• Cheryl Wenger

• Family Nurse Practitioner in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Family Nurse Practitioner 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; Order and Referring.
• 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.