John B Llewelyn, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

4301060216 Issued in MI

Practice address

926 N Michigan Ave
Saginaw, MI 48602-4323

Phone

(989) 753-8453

Fax

(989) 753-3519

NPI assigned

Jul 18, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MI, IA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Obstetrics/Gynecology

Education

University of Iowa, RJ & L Carver College of Medicine, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Genesis Health SystemGroup PAC ID 7214841436, 217 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jllewelyn@valley-obgyn.gwaydirect.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.

• Genesis Health System

  dba Genesis Convenient Care Bettendorf

  • Clinic/Center
  • Bettendorf, IA
  • NPI 1497772008
  Medicare reassignment Care Compare group
• Great Lakes Bay Health Centers

  • Obstetrics & Gynecology Physician
  • Saginaw, MI
  • NPI 1871684761
  Medicare reassignment NPD
• Hillsdale Community Health Center

  dba Hillsdale Hospital

  • General Acute Care Hospital
  • Hillsdale, MI
  • NPI 1730115940
  Medicare reassignment NPD
• Mymichigan Medical Center Alma

  • Emergency Medicine Physician
  • Alma, MI
  • NPI 1568914422
  Medicare reassignment NPD
• Mymichigan Medical Center Alpena

  • Emergency Medicine Physician
  • Alpena, MI
  • NPI 1508332792
  Medicare reassignment NPD
• Mymichigan Medical Center Midland

  • Multi-Specialty Clinic/Center
  • Midland, MI
  • NPI 1205889490
  Medicare reassignment NPD
• Mymichigan Medical Center West Branch

  • General Acute Care Hospital
  • West Branch, MI
  • NPI 1538566765
  Medicare reassignment NPD
• Saginaw Cooperative Hospitals, Inc

  dba Cmu Medical Education Partners

  • Internal Medicine Physician
  • Saginaw, MI
  • NPI 1346344991
  Medicare reassignment NPD
• Great Lakes Bay Health Centers

  dba Great Lakes Bay Health Centers Integrated Care Midland

  • Federally Qualified Health Center (FQHC)
  • Midland, MI
  • NPI 1609609536
  NPD
• Hillsdale Community Health Center

  • Rural Health Clinic/Center
  • Reading, MI
  • NPI 1053472522
  NPD
• Mymichigan Medical Center Alma

  • Family Medicine Physician
  • Alma, MI
  • NPI 1265596126
  NPD
• Mymichigan Medical Center Alma

  • Obstetrics & Gynecology Physician
  • Alma, MI
  • NPI 1912089350
  NPD

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

{
    "created_epoch": "1121644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748390400000",
    "number": "1942209424",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "926 N MICHIGAN AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486024323",
            "telephone_number": "989-753-8453",
            "fax_number": "989-753-3519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "926 N MICHIGAN AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486024323",
            "telephone_number": "989-753-8453",
            "fax_number": "989-753-3519"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2431 S M 30 Ste 200",
            "address_purpose": "LOCATION",
            "city": "West Branch",
            "state": "MI",
            "postal_code": "486619367",
            "country_code": "US",
            "telephone_number": "989-343-3762",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "315 E Warwick Dr Ste D",
            "address_purpose": "LOCATION",
            "city": "Alma",
            "state": "MI",
            "postal_code": "488011083",
            "country_code": "US",
            "telephone_number": "989-466-5486",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1501 W Chisholm St",
            "address_purpose": "LOCATION",
            "city": "Alpena",
            "state": "MI",
            "postal_code": "497071401",
            "country_code": "US",
            "telephone_number": "989-356-5228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LLEWELYN",
        "first_name": "JOHN",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-18",
        "last_updated": "2025-05-28",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "MI",
            "license": "JL060216",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MI",
            "license": "4301060216",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3153175",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jason Zhang Liu, DO
• Jessica Q Liu
• Samantha Liu
• Charvetta Livingston
• Bhakthi Nimesha Liyanage
• John Garrett Llewelyn, MD
• Steven J Lloyd, CRNA
• Austin J Lobbestael, CRNA
• Ashlynne Alyce Lobdell
• Ella Lochbiler

• Obstetrics & Gynecology Physician in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Obstetrics & Gynecology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2025; 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.