NPIMap

Individual provider Active NPI

Chester D Zahn, MD

  • Gastroenterology Physician
  • San Gabriel, CA
National Provider Identifier
1639146442
Registry record updated Mar 20, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
G69510 Issued in CA
Practice address
1026 E Las Tunas Dr
San Gabriel, CA 91776-1633
Phone
(626) 287-7222
Fax
(626) 287-1991
NPI assigned
Mar 1, 2006
Last updated
Mar 20, 2020By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 20, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X G69510 CA Primary

Addresses

Primary practice location

1026 E Las Tunas Dr
San Gabriel, CA 91776-1633

Mailing address

1026 E Las Tunas Dr
San Gabriel, CA 91776-1633
Phone (626) 287-7222

Other identifiers 2

IdentifierTypeStateIssuer
G69510OtherCACA MEDICAL BOARD
00G695100MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070313000649 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 0840393708 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Stanford University School of Medicine, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

1026 E Las Tunas Dr
San Gabriel, CA 91776-1633
Phone (626) 287-7222

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as individual

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy389
Upper gastrointestinal (GI) endoscopy for acid reflux698
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G69510CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Zahn & Associates a Medical Corporation CurrentSince Aug 1, 2006 Accepting new patients
Usc Arcadia Hospital Past Accepting new patients
Good Samaritan Hospital, L.P. Past Accepting new patients
Pih Health Good Samaritan Hospital Past Accepting new patients
Ahmc San Gabriel Valley Medical Past Accepting new patients
Ahmc Garfield Medical Center LP Past Accepting new patients
Alhambra Hospital Medical Center, LP Past Accepting new patients

Locations

1026 E Las Tunas Dr
San Gabriel, CA 91776
Phone (626) 287-7222

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 7

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1141171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1584662400000",
    "number": "1639146442",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1026 E LAS TUNAS DR",
            "city": "SAN GABRIEL",
            "state": "CA",
            "postal_code": "917761633",
            "telephone_number": "626-287-7222",
            "fax_number": "626-287-1991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1026 E LAS TUNAS DR",
            "city": "SAN GABRIEL",
            "state": "CA",
            "postal_code": "917761633",
            "telephone_number": "626-287-7222",
            "fax_number": "626-287-1991"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAHN",
        "first_name": "CHESTER",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-01",
        "last_updated": "2020-03-20",
        "certification_date": "2020-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "G69510",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CA MEDICAL BOARD",
            "identifier": "G69510",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G695100",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Gabriel, CA

Sources for this page

Verify at the official NPI Registry.