NPIMap

Individual provider Active NPI

Premjit S Chahal, M.D.

  • Specialist
  • Concord, CA
National Provider Identifier
1093893091
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
A78375 Issued in CA
Practice address
2222 East St Ste 340
Concord, CA 94520-2081
Phone
(925) 363-0069
Fax
(925) 363-0077
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X A78375 CA Primary

Addresses

Primary practice location

2222 East St Ste 340
Concord, CA 94520-2081

Mailing address

2222 East St Ste 340
Concord, CA 94520-2081
Phone (925) 363-0069

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
I20051130000876 CA Practitioner - Gastroenterology 1951321397 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Virginia Commonwealth University, School of Medicine, 2000
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Diablo Digestive Care, Inc.Group PAC ID 0446410393, 2 clinicians

Practice addresses (Care Compare)

400 Taylor Blvd
Suite 304
Pleasant Hill, CA 94523-2160
Phone (925) 363-0069

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as individual

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy53
Upper gastrointestinal (GI) endoscopy for acid reflux168

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A78375CAMDSpecialist

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
John Muir Trauma Physicians Billing Service CurrentSince Mar 19, 2011 Accepting new patients
Diablo Digestive Care, Inc. CurrentSince Feb 1, 2012 Accepting new patients
Premier Surgery Center Past Accepting new patients
John Muir Health Past Accepting new patients
Hill Physicians Medical Group - PPO Program Past Accepting new patients
California Pacific Medical Group, Inc. Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
John Muir Health Past Accepting new patients
John Muir Physician Network Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
Brentwood Surgery Center, LLC PastSince Oct 1, 2009 Accepting new patients

Locations

3291 Walnut Blvd
Ste 100
Brentwood, CA 94513
Phone (925) 513-9495

2400 Balfour Rd
Ste 230
Brentwood, CA 94513
Phone (925) 324-7404

2222 East St
Ste 340
Concord, CA 94520
Phone (510) 219-6296

2222 East St
Ste 200
Concord, CA 94520
Phone (707) 207-0899

400 Taylor Blvd
Ste 304
Pleasant Hill, CA 94523
Phone (925) 363-0069

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/JEIHBA/Endpoint/JEIHBA
  • Direct secure messaging: premjit.chahal@diablodigestivecare.eclinicaldirectplus.com
  • FHIR API: https://fhir4.healow.com/fhir/r4/JEIHBA

Organizations & group practices 12

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.

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1093893091",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2222 EAST ST STE 340",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202081",
            "telephone_number": "925-363-0069",
            "fax_number": "925-363-0077"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2222 EAST ST STE 340",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202081",
            "telephone_number": "925-363-0069",
            "fax_number": "925-363-0077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAHAL",
        "first_name": "PREMJIT",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "A78375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

Verify at the official NPI Registry.