Rosemary Hallett, M.D.

Primary specialty

Allergy & Immunology (Internal Medicine) PhysicianTaxonomy code 207RA0201X

License

A71662 Issued in CA

Practice address

451 E. Health Sciences Dr
Suite 6510
Davis, CA 95616-8660

Phone

(530) 752-2884

Fax

(530) 754-6047

NPI assigned

Nov 29, 2005

Sex

Female

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 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

Allergy/ImmunologyAlso: Internal Medicine, Pediatric Medicine

Education

Tulane University School of Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of CaliforniaGroup PAC ID 8022922475, 562 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of California Davis Medical Center Hospital, Sacramento, CA, CCN 050599

Merit-based Incentive Payment System (MIPS)

Final score

90.11 of 100Reported as group

Quality

86.24

Promoting interoperability

100

Improvement activities

40

Cost

78.35

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.

• Regents of the University of California

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1952998973
  Medicare reassignment Care Compare group NPD
• Regents of the Univ of Ca

  • Maternal & Fetal Medicine Physician
  • Sacramento, CA
  • NPI 1013906973
  Medicare reassignment NPD
• Regents of the Univ of Ca

  • Diagnostic Radiology Physician
  • Sacramento, CA
  • NPI 1477546406
  NPD
• Regents of the Univ of Ca

  • Physical Medicine & Rehabilitation Physician
  • Sacramento, CA
  • NPI 1679566764
  NPD
• Regents of the University of California

  • Multi-Specialty Clinic/Center
  • Roseville, CA
  • NPI 1144200775
  NPD
• Regents of the Univ of Ca

  • Surgery Physician
  • Sacramento, CA
  • NPI 1427041698
  NPD (past)
• Regents of the Univ of Ca

  • Pulmonary Disease Physician
  • Sacramento, CA
  • NPI 1437142692
  NPD (past)
• Essent PRMC LP

  • Certified Registered Nurse Anesthetist
  • Paris, TX
  • NPI 1376541839
  NPD (past)

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

• Regents of the University of California

  • General Acute Care Hospital
  • Sacramento, CA
  • NPI 1710918545
  Care Compare affiliation

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

{
    "created_epoch": "1133222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1376527804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "451 E. HEALTH SCIENCES DR",
            "address_2": "SUITE 6510",
            "city": "DAVIS",
            "state": "CA",
            "postal_code": "956168660",
            "telephone_number": "530-752-2884",
            "fax_number": "530-754-6047"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "451 E. HEALTH SCIENCES DR",
            "address_2": "SUITE 6510",
            "city": "DAVIS",
            "state": "CA",
            "postal_code": "956168660",
            "telephone_number": "530-752-2884",
            "fax_number": "530-754-6047"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLETT",
        "first_name": "ROSEMARY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0201X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "CA",
            "license": "A71662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine Noelle Haider-Winnett, MDIV
• Camille Haley
• Craig Haley, LVN
• Danaye Hall
• Enborg Becker Halle, DDS
• Paige Alexa Hamilton-Conaty, MD
• Kourtney Hamilton
• Zeenat Tamana Hamsafar
• Mirabelle Han, PHARMD
• Mark Hancock, PT, DPT

• Allergy & Immunology (Internal Medicine) Physician in Davis, CA
• Providers in Davis, CA by specialty
• Allergy & Immunology (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.