Whitney Nelson, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A160145 Issued in CA

Practice address

16200 Sand Canyon Ave
Irvine, CA 92618-3714

Phone

(949) 873-6181

NPI assigned

Mar 19, 2017

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

HospitalistAlso: Internal Medicine

Education

Tulane University School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pacific Hospitalist Associates a Medical CorporationGroup PAC ID 6204726102, 93 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224

Merit-based Incentive Payment System (MIPS)

Final score

87.51 of 100Reported as group

Quality

79.37

Promoting interoperability

100

Improvement activities

40

Cost

73.65

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Pacific Hospitalist Associates a Medical Corporation

  • Hospitalist Physician
  • Newport Beach, CA
  • NPI 1992750137

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Pacific Hospitalist Associates a Medical Corporation

  dba Pacific Hospitalist Associates

  • Skilled Nursing Facility
  • Newport Beach, CA
  • NPI 1306248240

  Internal Medicine

  NPD
• Pacific Hospitalist Associates a Medical Corporation

  • Hospitalist Physician
  • Irvine, CA
  • NPI 1669790044

  Internal Medicine

  NPD
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248
  NPD (past)

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

• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation

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

{
    "created_epoch": "1489881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752192000000",
    "number": "1265973523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "361 HOSPITAL RD STE 521",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926633526",
            "telephone_number": "949-734-7836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16200 SAND CANYON AVE",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926183714",
            "telephone_number": "949-873-6181"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz",
            "address_2": "Suite 7501",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900958358",
            "country_code": "US",
            "telephone_number": "310-339-5952",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NELSON",
        "first_name": "WHITNEY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-19",
        "last_updated": "2025-07-11",
        "certification_date": "2025-07-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A160145",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A160145",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "A160145",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Neil F Neimark, M.D.
• Ariana Marie Nelson, M.D.
• Ian Nelson
• Jennifer Catherine Nelson
• Madison Nicole Nelson, BS, BA
• Allie Rose Nemeth
• Nengjie Ge MD Pro Corp
• Neogenomics Laboratories Inc
• Jenneviv Nera
• Samantha Lynn Nesthus, MS, OTR/L

• Hospitalist Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Hospitalist Physician in California

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