Benjamin Menasheh Weinberg, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

A80826 Issued in CA

Practice address

24411 Health Center Dr Ste 680
Laguna Hills, CA 92653-3692

Phone

(657) 241-4280

Fax

(949) 346-8361

NPI assigned

Dec 12, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

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

GastroenterologyAlso: Internal Medicine

Education

Boston University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Centers for Family Medicine GPGroup PAC ID 9931143799, 87 clinicians

Saddleback Medical Group IncGroup PAC ID 5092606905, 27 clinicians

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603

Merit-based Incentive Payment System (MIPS)

Final score

79.85 of 100Reported as individual

Quality

65

Promoting interoperability

97

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: benjamin.weinberg.p15@direct.monarchhealthcare.nextgenshare.com
• Direct secure messaging: bweinbergmd19467@direct.memorialcare.org
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: bweinberg194618@westdirect.optum.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.

• Centers for Family Medicine GP

  dba Optumcare Medical Group

  • Family Medicine Physician
  • Los Alamitos, CA
  • NPI 1467598243

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment Care Compare group NPD
• Saddleback Medical Group Inc

  • Gastroenterology Physician
  • Laguna Hills, CA
  • NPI 1386605822
  Medicare reassignment Care Compare group NPD
• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350
  Medicare reassignment Care Compare group
• Saddleback Medical Group, Inc

  • Internal Medicine Physician
  • Laguna Woods, CA
  • NPI 1124502265
  NPD Authorized official
• Beaver Medical Group P C

  dba Optum

  • Family Medicine Physician
  • Redlands, CA
  • NPI 1649503319

  Internal Medicine

  NPD
• Cassidy Medical Group Inc.

  • Multi-Specialty Clinic/Center
  • Vista, CA
  • NPI 1215003470
  NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Saddleback Memorial Medical Center

  • Rehabilitation Hospital Unit
  • Laguna Hills, CA
  • NPI 1114967114
  NPD (past)
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1165881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777507200000",
    "number": "1598826612",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24411 HEALTH CENTER DR STE 680",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533692",
            "telephone_number": "657-241-4280",
            "fax_number": "949-346-8361"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24411 HEALTH CENTER DR STE 680",
            "city": "LAGUNA HILLS",
            "state": "CA",
            "postal_code": "926533692",
            "telephone_number": "657-241-4280",
            "fax_number": "949-346-8361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEINBERG",
        "first_name": "BENJAMIN",
        "middle_name": "MENASHEH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-12-12",
        "last_updated": "2026-04-30",
        "certification_date": "2026-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A80826",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A80826",
            "primary": false
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "CA",
            "license": "A80826",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Richard Wayne, LMFT
• Robert Frank Wayner, MD
• Karen Weaver, MFTI
• Kendall Marie Weber, B.S.
• Dinali Weerakkodi
• Cathy Lynn Weinstein, MFC
• Shannon Weis, PTA
• Natalie Wek
• Wel-Mor Psychology Group, Inc
• Laurie K Welch, OTR/L

• Gastroenterology Physician in Laguna Hills, CA
• Providers in Laguna Hills, CA by specialty
• Gastroenterology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 30, 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.