Active NPI
Comprehensive Gi Care, a Professional Medical Group, Inc.
- Gastroenterology Physician
- Los Alamitos, CA
National Provider Identifier
1952564965
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- Legal business name
- COMPREHENSIVE GI CARE, A PROFESSIONAL MEDICAL GROUP, INC.
- Practice address
- 4772 Katella Ave
#200
Los Alamitos, CA 90720-2683 - Phone
- (562) 596-5552
- Fax
- (562) 596-5340
- NPI assigned
- Jul 9, 2008
- Last updated
- Aug 13, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Lisa Hertz
- Title
- President
- Phone
- (562) 596-5552
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | NU | Primary |
Addresses
Primary practice location
4772 Katella Ave
#200
Los Alamitos, CA 90720-2683
Mailing address
4772 Katella Ave
#200
Los Alamitos, CA 90720-2683
Phone (562) 596-5552
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryInteroperability endpoints
- https://fhir4.healow.com/fhir/r4/GFIEBA
Practitioners & affiliated clinicians
Practitioners 6
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.
-
- Gastroenterology Physician
- Los Alamitos, CA
- NPI 1639237720
-
- Gastroenterology Physician
- Orange, CA
- NPI 1760777320
-
- Gastroenterology Physician
- Orange, CA
- NPI 1649307356
-
- Physician Assistant
- Los Alamitos, CA
- NPI 1710397930
-
- Physician Assistant
- Los Alamitos, CA
- NPI 1689757627
-
- Anatomic Pathology & Clinical Pathology Physician
- Orange, CA
- NPI 1831388206
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1215561600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1755043200000",
"number": "1952564965",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4772 KATELLA AVE",
"address_2": "#200",
"city": "LOS ALAMITOS",
"state": "CA",
"postal_code": "907202683",
"telephone_number": "562-596-5552",
"fax_number": "562-596-5340"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4772 KATELLA AVE",
"address_2": "#200",
"city": "LOS ALAMITOS",
"state": "CA",
"postal_code": "907202683",
"telephone_number": "562-596-5552",
"fax_number": "562-596-5340"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "COMPREHENSIVE GI CARE, A PROFESSIONAL MEDICAL GROUP, INC.",
"organizational_subpart": "NO",
"enumeration_date": "2008-07-09",
"last_updated": "2025-08-13",
"certification_date": "2025-08-13",
"status": "A",
"authorized_official_last_name": "HERTZ",
"authorized_official_first_name": "LISA",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "562-596-5552"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Los Alamitos, CA
- Christine Colburn
- Colibri Family Therapy Services, Inc
- Companion Care Services Enterprises Inc (Companion Care Services)
- Completeeyecareassociates
- Compound Central Pharmacy (Compounding Corner Pharmacy)
- Comprehensive Radiology Analysis
- Courtney Conlan
- Heena M Contractor, M.D.
- Karrie Cook
- Greg W Cooper, DDS
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.