Elvira Mikhailovna O'Brien, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

4301090219 Issued in MI

Practice address

4401 Campus Ridge Dr Ste Ll110
Midland, MI 48640-6126

Phone

(989) 837-9400

Fax

(989) 837-9410

NPI assigned

Feb 29, 2008

Last updated

Mar 4, 2026By the provider in NPPES

Sex

Female

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 CA

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 1

Specialty

Obstetrics/Gynecology

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Toiyabe Indian Health Project IncGroup PAC ID 2668419813, 21 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mymichigan Medical Center Midland Hospital, Midland, MI, CCN 230222

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: eobrien6804@mymichiganhealth.midirect.net

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

• Toiyabe Indian Health Project, Inc

  • Federally Qualified Health Center (FQHC)
  • Bishop, CA
  • NPI 1659433191
  Medicare reassignment Care Compare group
• Mymichigan Medical Center Alma

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

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

  • Obstetrics & Gynecology Physician
  • Alma, MI
  • NPI 1912089350
  NPD
• Mymichigan Medical Center Clare

  • General Practice Physician
  • Clare, MI
  • NPI 1134394026
  NPD
• Mymichigan Medical Center Clare

  dba MidMichigan Urgent Care - Clare

  • Urgent Care Clinic/Center
  • Clare, MI
  • NPI 1225081862
  NPD
• Mymichigan Medical Center Midland

  • Multi-Specialty Clinic/Center
  • Midland, MI
  • NPI 1205889490
  NPD
• Mymichigan Medical Center Midland

  • Anesthesiology Physician
  • Midland, MI
  • NPI 1649010455
  NPD
• Mymichigan Medical Center West Branch

  dba MidMichigan Medical Center- West Branch

  • Family Medicine Physician
  • West Branch, MI
  • NPI 1518418292
  NPD
• Mymichigan Medical Center West Branch

  • General Acute Care Hospital
  • West Branch, MI
  • NPI 1538566765
  NPD
• West Branch Regional Medical Center

  • Rural Acute Care Hospital
  • West Branch, MI
  • NPI 1396732103
  NPD
• Mymichigan Medical Center Midland

  • General Acute Care Hospital
  • Midland, MI
  • NPI 1902841414
  NPD (past)

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

• Mymichigan Medical Center Midland

  • Multi-Specialty Clinic/Center
  • Midland, MI
  • NPI 1205889490

  Hospital

  Care Compare affiliation
• Mymichigan Medical Center Midland

  dba Family Practice Center

  • General Acute Care Hospital
  • Midland, MI
  • NPI 1376973149
  Care Compare affiliation
• Mymichigan Medical Center Midland

  • General Acute Care Hospital
  • Midland, MI
  • NPI 1902841414
  Care Compare affiliation

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

{
    "created_epoch": "1204243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1255500674",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4401 N CAMPUS RDG DR STE B2200",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486406193",
            "telephone_number": "989-837-9400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 CAMPUS RIDGE DR STE LL110",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486406126",
            "telephone_number": "989-837-9400",
            "fax_number": "989-837-9410"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 N See Vee Ln",
            "address_purpose": "LOCATION",
            "city": "Bishop",
            "state": "CA",
            "postal_code": "935148130",
            "country_code": "US",
            "telephone_number": "760-873-8461",
            "fax_number": "760-873-3908",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "ELVIRA",
        "middle_name": "MIKHAILOVNA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-02-29",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "C206629",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MI",
            "license": "4301090219",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "THP11576F",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jillian Lee Nunamaker, OTRL
• Nurturing Traditions Doula Services
• Natalie Nussear
• Nutrition for Wellness Inc.
• Jill Nyman
• Heather Marie O'Farrell, MA, LLPC
• Alaura O'Hara, BEHAVIOR ANALYST
• Dalaynie O'Hare
• Jessica O'Leary
• Marissa Lynn O'Neill, TLLP

• Obstetrics & Gynecology Physician in Midland, MI
• Providers in Midland, 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 Mar 4, 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.