Efren V Nierva, D.O.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A7490 Issued in CA

Practice address

480 E H St
Chula Vista, CA 91910-7473

Phone

(619) 585-4000

NPI assigned

Feb 9, 2006

Sex

Male

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

Emergency MedicineAlso: Family Practice

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sharp Rees-Stealy Medical Group IncGroup PAC ID 8628972759, 872 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

88.67 of 100Reported as group

Quality

81.04

Promoting interoperability

99

Improvement activities

40

Cost

82.04

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: enierva34195@sharphealthcare.direct-ci.com

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.

• Sharp Rees-Stealy Medical Group, Inc

  • Internal Medicine Physician
  • San Diego, CA
  • NPI 1285616177

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Sharp Rees-Stealy Medical Group, Inc

  • Optometrist
  • San Diego, CA
  • NPI 1063172351
  NPD
• Sharp Memorial Hospital

  dba Sharp Allison deRose Rehabilitation Center

  • Rehabilitation Hospital Unit
  • San Diego, CA
  • NPI 1114901352
  NPD (past)
• Sharp Rees-Stealy Medical Center

  • Physical Therapist
  • Chula Vista, CA
  • NPI 1407096589
  NPD (past)

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

{
    "created_epoch": "1139443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1568435444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "480 E H ST",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919107473",
            "telephone_number": "619-585-4000",
            "fax_number": "619-585-4005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "480 E H ST",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919107473",
            "telephone_number": "619-585-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 Palm Ave",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921541012",
            "country_code": "US",
            "telephone_number": "832-604-3771",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIERVA",
        "first_name": "EFREN",
        "middle_name": "V",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-09",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A7490",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Greg Nicita
• Tracy Lynn Nicklas, AMFT/APCC
• Judith Nicolas
• Nadia Galindo Niebla
• Ashley Nielsen
• Emely Nieto
• Roni Nievera
• Ada M Nieves-Soto
• Clorinda Eileen Nieves
• Dariana Nieves

• Family Medicine Physician in Chula Vista, CA
• Providers in Chula Vista, 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 19, 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.