Natalia Chavez Stewart, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

A131993 Issued in CA

Practice address

341 Magnolia Ave Ste 206
Corona, CA 92879-3332

Phone

(951) 209-0008

Fax

(951) 209-0017

NPI assigned

Feb 6, 2007

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

Other names 1

• Dr. Natalia Rocio Chavez Chiang Former name

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

RheumatologyAlso: Internal Medicine

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Southland Arthrites and Osteoporosis Medical Center IncGroup PAC ID 2567548258, 6 clinicians

Prohealth Partners, a Medical GroupGroup PAC ID 2769388412, 236 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

64.99 of 100Reported as group

Quality

66.47

Promoting interoperability

0

Improvement activities

40

Cost

78.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Prohealth Partners, a Medical Group

  • Internal Medicine Physician
  • Lakewood, CA
  • NPI 1003949975
  Medicare reassignment Care Compare group NPD
• Southland Arthrites and Osteoporosis Medical Center Inc

  • Rheumatology Physician
  • Menifee, CA
  • NPI 1033296231
  Medicare reassignment Care Compare group NPD
• Natalia Chavez Stewart MD Corp

  dba Arthritis & Wellness Center

  • Rheumatology Physician
  • Corona, CA
  • NPI 1265396535
  NPD Authorized official
• Arthritis Center of Riverside Medical Corporation

  • Rheumatology Physician
  • Riverside, CA
  • NPI 1013076850
  Medicare reassignment
• Prohealth Partners, a Medical Group, Inc.

  • Internal Medicine Physician
  • Corona, CA
  • NPI 1851280846
  NPD
• Prohealth Partners, a Medical Group, Inc.

  • Internal Medicine Physician
  • Pico Rivera, CA
  • NPI 1912899394
  NPD
• Prohealth Partners, a Medical Group, Inc.

  • Internal Medicine Physician
  • Long Beach, CA
  • NPI 1639126279
  NPD (past)

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

{
    "created_epoch": "1170720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1235278250",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "341 MAGNOLIA AVE STE 206",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928793332",
            "telephone_number": "951-209-0008",
            "fax_number": "951-209-0017"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "341 MAGNOLIA AVE STE 206",
            "city": "CORONA",
            "state": "CA",
            "postal_code": "928793332",
            "telephone_number": "951-209-0008",
            "fax_number": "951-209-0017"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAVEZ STEWART",
        "first_name": "NATALIA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-06",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CA",
            "license": "A131993",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NATALIA",
            "last_name": "CHAVEZ CHIANG",
            "middle_name": "ROCIO",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Minahil Chaudhry
• Aisha Chauhan
• Dhvani Chauhan, PT
• Chaundra Jones Holistic Psychotherapy Inc
• Sonya Chaves
• Erica Chavez
• Holly Chavez
• Jennifer Chavez, LCSW
• Jessica Bernise Chavez
• Julianna Chavez

• Rheumatology Physician in Corona, CA
• Providers in Corona, CA by specialty
• Rheumatology Physician in California

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