Allison Lynn Foster, M.D.

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

MD172765 Issued in OR

Practice address

4010 Aerial Way
Eugene, OR 97402-9757

Phone

(541) 242-8500

Fax

(541) 242-8502

NPI assigned

Apr 27, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Other names 1

• Dr. Allison Lynn O'Brien Former name

Medicare fee-for-service enrollment

Enrolled in OR

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aobrien206872@direct.peacehealth.org

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.

• Peacehealth Medical Group

  • Family Medicine Physician
  • Eugene, OR
  • NPI 1447207287
  Medicare reassignment NPD
• Peacehealth Medical Group

  dba Nurse Midwifery Birth Center

  • Birthing Clinic/Center
  • Springfield, OR
  • NPI 1881860856
  NPD
• Neonatal Specialists PC

  • Neonatal-Perinatal Medicine Physician
  • Springfield, OR
  • NPI 1679556187
  NPD (past)
• Peacehealth

  dba Sacred Heart Physicians

  • Hospitalist Physician
  • Springfield, OR
  • NPI 1740223874
  NPD (past)

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

{
    "created_epoch": "1177632000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1982824108",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4010 AERIAL WAY",
            "city": "EUGENE",
            "state": "OR",
            "postal_code": "974029757",
            "telephone_number": "541-242-8500",
            "fax_number": "541-242-8502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4010 AERIAL WAY",
            "city": "EUGENE",
            "state": "OR",
            "postal_code": "974029757",
            "telephone_number": "541-242-8500",
            "fax_number": "541-242-8502"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3355 Riverbend Dr",
            "address_2": "Suite 220",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "OR",
            "postal_code": "974778800",
            "country_code": "US",
            "telephone_number": "541-868-9298",
            "fax_number": "541-868-9299",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1200 Hilyard St Ste 440",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974018122",
            "country_code": "US",
            "telephone_number": "458-205-6061",
            "fax_number": "458-205-6248",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3377 Riverbend Dr",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "OR",
            "postal_code": "974778803",
            "country_code": "US",
            "telephone_number": "541-222-8500",
            "fax_number": "541-222-6435",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1400 Valley Rive Dr.",
            "address_2": "#110",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "97401",
            "country_code": "US",
            "telephone_number": "541-222-7370",
            "fax_number": "541-222-7374",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FOSTER",
        "first_name": "ALLISON",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-27",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NM",
            "license": "2008-0017",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MP",
            "license": "0376",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OR",
            "license": "MD172765",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "OR",
            "license": "MD172765",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "500698685",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALLISON",
            "last_name": "O'BRIEN",
            "middle_name": "LYNN",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Morgan Fossen, SLP
• Lela Fossett
• Nickey R Fossett Jr., LMFT
• Janean Marie Fossum, RN, BSN
• Foster Chiropractic Clinic, LLC (Foster Chiropractic Clinic)
• Barbara Elaine Foster, RN
• George L Foster, M.D.
• Ginger K Foster, PHARM D
• Hannah Foster
• Jacqueline Foster, PHARMD, BCPS

• Neonatal-Perinatal Medicine Physician in Eugene, OR
• Providers in Eugene, OR by specialty
• Neonatal-Perinatal Medicine Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.