Diana Pajongvirotjanasakul, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

35888 Issued in CA

Practice address

5460 E la Palma Ave
Anaheim, CA 92807-2023

Phone

(714) 463-7250

NPI assigned

May 20, 2024

Last updated

Sep 1, 2026By 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 4

Addresses

Other names 1

• Diana Pajong Other name

Medicare fee-for-service enrollment

Enrolled in NY, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: diana.pajongvirotjanasakul.p1@direct.opt.nextgenshare.com
• FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/

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.

• Marshall B. Ketchum University

  • Optometrist
  • Anaheim, CA
  • NPI 1720101876
  Medicare reassignment NPD
• State of New York Comptrollers Office

  dba Suny College of Optometry/University Eye Center

  • Optometrist
  • New York, NY
  • NPI 1407829856
  Medicare reassignment NPD
• Marshall B. Ketchum University

  dba Ketchum Health Medical Clinic

  • Multi-Specialty Clinic/Center
  • Anaheim, CA
  • NPI 1174037493
  NPD
• Marshall B. Ketchum University/University Eye Center at Los Angeles

  dba Optometric Center of Los Angeles

  • Optometrist
  • Los Angeles, CA
  • NPI 1558467225
  NPD
• State of New York Comptrollers Office

  • Developmental Disabilities Clinic/Center
  • Staten Island, NY
  • NPI 1750469912
  NPD
• Institutes of Health Behavioral Medicine and Medical Psychology Inc.

  dba Institutes of Health

  • Clinical Psychologist
  • Oceanside, CA
  • NPI 1407392319
  NPD (past)

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

{
    "created_epoch": "1716163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1811746035",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "59 ENDLESS VIS",
            "city": "ALISO VIEJO",
            "state": "CA",
            "postal_code": "926568057",
            "telephone_number": "949-288-3680"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5460 E LA PALMA AVE",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928072023",
            "telephone_number": "714-463-7250"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9246 Lightwave Ave Ste 120",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921236411",
            "country_code": "US",
            "telephone_number": "800-270-5016",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1900 S State College Blvd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Anaheim",
            "state": "CA",
            "postal_code": "928066136",
            "country_code": "US",
            "telephone_number": "800-270-5016",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAJONGVIROTJANASAKUL",
        "first_name": "DIANA",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-05-20",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "35888",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "NY",
            "license": "009984",
            "primary": false
        },
        {
            "code": "152WV0400X",
            "taxonomy_group": "",
            "desc": "Optometrist, Vision Therapy",
            "state": "CA",
            "license": "35888",
            "primary": false
        },
        {
            "code": "152WX0102X",
            "taxonomy_group": "",
            "desc": "Optometrist, Occupational Vision",
            "state": "CA",
            "license": "35888",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "DIANA",
            "last_name": "PAJONG",
            "credential": "OD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Nancy Pai, RPH
• Eun Ju Paik
• Junghoon Paik, L.AC
• Peter Sae Oh Paik, MD
• Justine Lynn Paika
• Sarah Pak-Ournpech
• Young Hee Pak-Suh, D.M.D.
• Joshua Pak
• Rose Pak
• Sung Hi Pak, MD

• Optometrist in Anaheim, CA
• Providers in Anaheim, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.