Balboa Nephrology Medical Group,Inc.

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

BALBOA NEPHROLOGY MEDICAL GROUP,INC.

Doing business as

San Diego Access and Surgery Center

Practice address

6402 El Cajon Blvd Ste 100
San Diego, CA 92115-2645

Phone

(619) 582-4490

Fax

(619) 582-4737

NPI assigned

Oct 18, 2017

Last updated

Jan 16, 2026By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

David S Namazy, MDNPI 1477558013

Title

Medical Director & Ao

Phone

(619) 582-4490

Specialties & licenses 1

Addresses

Other names 1

• San Diego Access and Surgery Center Doing business as

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

• Balboa Nephrology Medical Group, Inc.

  • Nephrology Physician
  • San Diego, CA
  • NPI 1316997505

  Member Of

  NPD member

Locations

Practitioners 82

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• David S. Namazy, M.D.

  • Nephrology Physician
  • San Diego, CA
  • NPI 1477558013
  Authorized official Same address or phone
• Amanda Ahmadi, NP

  • Nurse Practitioner
  • Escondido, CA
  • NPI 1639889983
  NPD
• Zaid Al-Dahhan, M.D.

  • Nephrology Physician
  • Escondido, CA
  • NPI 1740716828
  NPD
• Cindy Sieun An, AGPCNP-BC

  • Nurse Practitioner
  • Fullerton, CA
  • NPI 1801579420
  NPD
• Mark M. Boiskin, M.D.

  • Nephrology Physician
  • La Jolla, CA
  • NPI 1437154143
  NPD
• Melanie Braytenbah, NP-C

  • Family Nurse Practitioner
  • Chula Vista, CA
  • NPI 1508370875
  NPD
• Juan Sebastian Calderon Molina, M.D.

  • Nephrology Physician
  • National City, CA
  • NPI 1366626467
  NPD
• Angelica Camargo- Lowthers, NP

  • Family Nurse Practitioner
  • San Diego, CA
  • NPI 1912982539
  NPD
• Alan Arthur Susa Cantillep, MD

  • Nephrology Physician
  • Fountain Valley, CA
  • NPI 1639517808
  NPD
• Thanh Cao, D.O.

  • Nephrology Physician
  • Fountain Valley, CA
  • NPI 1073963583
  NPD
• Tepsiri Chongkrairatanakul, MD

  • Nephrology Physician
  • San Diego, CA
  • NPI 1982806329
  NPD
• Qasim Masud Choudry, MD

  • Nephrology Physician
  • Escondido, CA
  • NPI 1770513061
  NPD

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

{
    "created_epoch": "1508284800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768521600000",
    "number": "1598276404",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9373 HAZARD WAY STE 200",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231226",
            "telephone_number": "858-810-0000",
            "fax_number": "858-268-1911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6402 EL CAJON BLVD STE 100",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921152645",
            "telephone_number": "619-582-4490",
            "fax_number": "619-582-4737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BALBOA NEPHROLOGY MEDICAL GROUP,INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-10-18",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A",
        "authorized_official_last_name": "NAMAZY",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR & AO",
        "authorized_official_telephone_number": "619-582-4490",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "San Diego Access and Surgery Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Balboa Family Dentistry
• Balboa Healthcare, Inc. (Balboa Nursing & Rehabilitation Center)
• Balboa Hospital
• Balboa Nephrology Associates (Balboa Vascular Center)
• Balboa Nephrology Medical Group, Inc.
• Balboa Park Internal Medicine, Medical Associates Inc
• Balboa Surgical Institute, Inc.
• Balboa Therapy Center
• Balboa Therapy Group, Inc.
• Kristin Balboa, OTR/L

• Ambulatory Surgical Clinic/Center in San Diego, CA
• Providers in San Diego, CA by specialty
• Ambulatory Surgical Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.