Nancy Ann Chang, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A24359 Issued in CA

Practice address

4318 Mission Ave
Oceanside, CA 92057-6541

Phone

(760) 901-5010

NPI assigned

Jun 26, 2012

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

Medicare fee-for-service enrollment

Enrolled in OR, CA2 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

Family Practice

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Scripps HealthGroup PAC ID 9234033853, 1,450 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Home Health Home health agency, Portland, OR, CCN 387048
• Amedisys Home Health Care Home health agency, Portland, OR, CCN 387003
• Providence St Vincent Medical Center Hospital, Portland, OR, CCN 380004
• Providence Newberg Medical Center Hospital, Newberg, OR, CCN 380037
• Providence Milwaukie Hospital Hospital, Milwaukie, OR, CCN 380082
• Legacy Meridian Park Medical Center Hospital, Tualatin, OR, CCN 380089
• Providence Willamette Falls Medical Center Hospital, Oregon City, OR, CCN 380038

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nchang964263@oc.providencedirect.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.

• Scripps Health

  • Multi-Specialty Clinic/Center
  • La Jolla, CA
  • NPI 1275899072
  Medicare reassignment Care Compare group
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971

  Emergency Medicine

  Medicare reassignment NPD
• Scripps Health

  • Home Health Agency
  • San Diego, CA
  • NPI 1578556114
  NPD
• Scripps Health

  • Family Medicine Physician
  • San Diego, CA
  • NPI 1881636108

  Emergency Medicine

  NPD
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  Emergency Medicine

  NPD
• Providence Health & Services - Oregon

  • Clinical Pathology Physician
  • Portland, OR
  • NPI 1831641745

  Emergency Medicine

  NPD
• Providence Health & Services Oregon

  • General Practice Physician
  • Lake Oswego, OR
  • NPI 1023488343
  NPD
• Providence Health & Services Oregon

  • Psychiatry Physician
  • Portland, OR
  • NPI 1760177737
  NPD
• Providence Health & Services Oregon

  • Internal Medicine Physician
  • Tigard, OR
  • NPI 1821224957
  NPD
• Scripps Health

  • Clinical Medical Laboratory
  • La Jolla, CA
  • NPI 1427034990
  NPD (past)
• First Choice Urgent Care PC

  • Urgent Care Clinic/Center
  • Dearborn, MI
  • NPI 1629201264
  NPD (past)
• Providence Health & Services - Oregon

  • Internal Medicine Physician
  • Sherwood, OR
  • NPI 1184729329

  Family Medicine

  NPD (past)

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

• Amedisys Oregon, L.L.C.

  • Home Health Agency
  • Portland, OR
  • NPI 1134311988
  Care Compare affiliation
• Legacy Meridian Park Hospital

  • General Acute Care Hospital
  • Tualatin, OR
  • NPI 1184647620
  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1114015971
  Care Compare affiliation
• Providence Health & Services - Oregon

  • Clinic/Center
  • Portland, OR
  • NPI 1326272741

  Hospital

  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Oregon City, OR
  • NPI 1912282369
  Care Compare affiliation
• Providence Health & Services - Oregon

  • General Acute Care Hospital
  • Newberg, OR
  • NPI 1952482275
  Care Compare affiliation
• Providence Health & Services Oregon

  • General Acute Care Hospital
  • Milwaukie, OR
  • NPI 1366536963
  Care Compare affiliation
• Providence Health & Services Oregon

  • Home Health Agency
  • Portland, OR
  • NPI 1790873461
  Care Compare affiliation

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

{
    "created_epoch": "1340668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1710241559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10790 RANCHO BERNARDO RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921275705",
            "telephone_number": "760-901-5010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4318 MISSION AVE",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920576541",
            "telephone_number": "760-901-5010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "NANCY",
        "middle_name": "ANN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-26",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OR",
            "license": "DO182981",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A24359",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dana Casey Chan, MD
• Jack W. Chan, DDS
• Nicole Chiaranon Chan
• Carlos Chang, MEDICAL CERTIFIED
• Justine Chang
• Nancy S.S. Chang, M.D.
• Stuart D Chang, D.D.S.
• Camille Chapline, PSY.D., LMFT
• Nicole S Charkowick, MOT, OTR/L
• Melissa Marie Charles, PHARMD

• Family Medicine Physician in Oceanside, CA
• Providers in Oceanside, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 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.