Obi Alexander OB-Nwankwo, M.D

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301508795 Issued in MI

Practice address

1447 N Harrison St
Saginaw, MI 48602-4727

Phone

(989) 583-7000

NPI assigned

May 24, 2011

Sex

Male

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 PA, MI2 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

HospitalistAlso: Internal Medicine

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regional Health Services IncGroup PAC ID 4880593722, 572 clinicians

Covenant Medical Center, Inc.Group PAC ID 2769387778, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Covenant Medical Center Hospital, Saginaw, MI, CCN 230070
• Upmc Northwest Hospital, Seneca, PA, CCN 390091

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: oobnwankwo174864@direct.covenanthealthcare.com
• Direct secure messaging: aobnwankwo188606@upmc.direct-ci.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.

• Covenant Medical Center, Inc.

  • Emergency Medicine Physician
  • Saginaw, MI
  • NPI 1972590412
  Medicare reassignment Care Compare group NPD
• Regional Health Services Inc

  • Family Medicine Physician
  • Erie, PA
  • NPI 1174520654

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Apogee Medical Group of Pennsylvania PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1568633535

  PA

  Medicare reassignment NPD
• Steward Medical Group Inc.

  • Internal Medicine Physician
  • Brookfield, OH
  • NPI 1902347438

  PA

  Medicare reassignment NPD
• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment NPD
• Covenant Medical Center, Inc

  • Family Medicine Physician
  • Saginaw, MI
  • NPI 1619412376

  Internal Medicine

  NPD
• Covenant Medical Center, Inc.

  • Family Medicine Physician
  • Saginaw, MI
  • NPI 1366597544

  Internal Medicine

  NPD
• Apogee Medical Group of Pennsylvania PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1649227166
  NPD
• Steward Medical Group, Inc

  • Specialist
  • Brighton, MA
  • NPI 1013220151
  NPD
• Steward Medical Group, Inc

  • Specialist
  • Brighton, MA
  • NPI 1356654495
  NPD
• University of Pittsburgh Physicians

  • Internal Medicine Physician
  • Pittsburgh, PA
  • NPI 1053848051
  NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD

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

• Covenant Medical Center, Inc.

  • General Acute Care Hospital
  • Saginaw, MI
  • NPI 1588656946
  Care Compare affiliation
• Upmc Northwest

  • Psychiatric Hospital Unit
  • Seneca, PA
  • NPI 1013090745
  Care Compare affiliation
• Upmc Northwest

  • General Acute Care Hospital
  • Seneca, PA
  • NPI 1619069440
  Care Compare affiliation
• Upmc Northwest

  • Ambulatory Surgical Clinic/Center
  • Seneca, PA
  • NPI 1922174747

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1306195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1184917221",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35920 HANAMAR DR",
            "city": "AVON",
            "state": "OH",
            "postal_code": "440113900",
            "telephone_number": "216-952-3366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1447 N HARRISON ST",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486024727",
            "telephone_number": "989-583-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OB-NWANKWO",
        "first_name": "OBI",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-05-24",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301508795",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Internal Medicine Physician in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 17, 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.