Ramona Vana Bahnam-Lengyel, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A157101 Issued in CA

Practice address

6633 Telephone Rd Ste 212
Ventura, CA 93003-5569

Phone

(805) 644-9121

NPI assigned

Jul 22, 2016

Last updated

Aug 1, 2025By the provider in NPPES

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

• Ramona Bahnam Other 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

Family Practice

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Regents of the University of CaliforniaGroup PAC ID 1355248584, 1,426 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Farmer's Home Health Home health agency, Ventura, CA, CCN 053190
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/8cf1bb66-7b18-4eaa-b641-538f19feb923/
• Direct secure messaging: ramon.bahnam.p1@direct.clinicas.nextgenshare.com
• Direct secure messaging: rbahnamlengyel1426261@direct.uclahealth.org

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.

• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1235107566

  Family Medicine

  Medicare reassignment Care Compare group NPD
• County of Ventura

  dba Ventura County Medical Center

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment NPD
• County of Ventura

  dba VCBH-South Oxnard Youth & Family Mental Health

  • Community/Behavioral Health Agency
  • Oxnard, CA
  • NPI 1003509852
  NPD
• County of Ventura

  dba VCBH - Simi Valley Youth & Family Mental Health

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD
• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Ambulatory Surgical Clinic/Center
  • Valencia, CA
  • NPI 1689200305
  NPD
• Delta Sierra Medical Group, Inc

  • Cardiovascular Disease Physician
  • French Camp, CA
  • NPI 1578598595
  NPD (past)
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248

  Family Medicine

  NPD (past)

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

• Farmer's Home Health

  • Home Health Agency
  • Ventura, CA
  • NPI 1437696135
  Care Compare affiliation
• Regents Univ of Calif Los Angeles

  dba Ronald Reagan UCLA Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation

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

{
    "created_epoch": "1469145600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1942653159",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6633 TELEPHONE RD STE 212",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930035569",
            "telephone_number": "805-644-9121"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1227 E Los Angeles Ave",
            "address_purpose": "LOCATION",
            "city": "Simi Valley",
            "state": "CA",
            "postal_code": "930652871",
            "country_code": "US",
            "telephone_number": "805-582-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "650 Meta St",
            "address_purpose": "LOCATION",
            "city": "Oxnard",
            "state": "CA",
            "postal_code": "930307182",
            "country_code": "US",
            "telephone_number": "805-487-5351",
            "fax_number": "805-487-2599",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BAHNAM-LENGYEL",
        "first_name": "RAMONA",
        "middle_name": "VANA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-07-22",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A157101",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "RAMONA",
            "last_name": "BAHNAM",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Hope Baguinon
• Crystal Bahamondes, BCBA-D
• Marianne Renee Bahler, LMFT
• Bahn Consulting Medical Group, Inc.
• Duke K Bahn, MD
• Alison Bailen
• Timothy George Bailes, DO
• Michael Hugh Bailey, MD
• Fannie Baillargeon, DMD
• Ravinder S Bajwa, MD

• Family Medicine Physician in Ventura, CA
• Providers in Ventura, 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 Aug 1, 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.