Individual provider Active NPI

Yi Zheng, M.D.

  • Gastroenterology Physician
  • Walnut Creek, CA
National Provider Identifier
1851622427
Registry record updated May 21, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A95560 Issued in CA
Practice address
2021 Ygnacio Valley Rd Ste E105
Walnut Creek, CA 94598-3391
Phone
(925) 384-9276
NPI assigned
Jan 21, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 21, 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 A95560 CA Primary

Addresses

Primary practice location

2021 Ygnacio Valley Rd Ste E105
Walnut Creek, CA 94598-3391

Mailing address

1871 Lamplight CT
Walnut Creek, CA 94597-2958
Phone (415) 828-7915

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20091229000401 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 3779623590 Reassigns benefits to 2 organizations
Practice locations: Walnut Creek, CA

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

2121 Ygnacio Valley Rd
Suite E105
Walnut Creek, CA 94598-3340
Phone (925) 384-9276

Hospital & facility affiliations

  • John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180
  • Stanford Health Care Tri-Valley Hospital, Pleasanton, CA, CCN 050283
  • John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496

Merit-based Incentive Payment System (MIPS)

Final score
94.85 of 100Reported as individual
Quality
100
Improvement activities
40
Cost
78

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy370
Upper gastrointestinal (GI) endoscopy for acid reflux169

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A95560CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yi Zheng MD PC Gastroenterology CurrentSince Aug 1, 2023 Accepting new patients
Permanente Medical Group Inc CurrentSince Oct 7, 2009 Accepting new patients
Adventist Health Mendocino Coast CurrentSince Apr 1, 2025 Accepting new patients
Permanente Medical Group, Inc CurrentSince Oct 7, 2009 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Adventist Health Mendocino Coast CurrentSince Apr 1, 2025 Accepting new patients
Sutter Delta Medical Center Past Accepting new patients
Northbay Healthcare Group Past Accepting new patients
Riverside Medical Group PC Past Accepting new patients
California Pacific Medical Group, Inc. Past Accepting new patients

Locations

3737 Lone Tree Way
Ste E
Antioch, CA 94509
Phone (510) 357-1303

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

2485 High School Ave
Ste 123
Concord, CA 94520
Phone (866) 632-6627

1320 El Capitan Dr
Ste 100
Danville, CA 94526
Phone (925) 289-8963

7788 Dublin Blvd
Dublin, CA 94568
Phone (925) 237-9795

700 River Dr
Fort Bragg, CA 95437
Phone (707) 961-1234

87 Fenton St
Ste 210
Livermore, CA 94550
Phone (510) 537-3556

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

5601 Norris Canyon Rd
Ste 220
San Ramon, CA 94583
Phone (925) 249-9900

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

1 Quality Dr
Vacaville, CA 95688
Phone (707) 453-5000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

2121 Ygnacio Valley Rd
Ste E105
Walnut Creek, CA 94598
Phone (925) 287-0393

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/29a5ccea-f4ab-4447-a191-56b20695970f/

Organizations & group practices 10

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": "1264032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1590019200000",
    "number": "1851622427",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1871 LAMPLIGHT CT",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972958",
            "telephone_number": "415-828-7915"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2021 YGNACIO VALLEY RD STE E105",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983391",
            "telephone_number": "925-384-9276"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZHENG",
        "first_name": "YI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-01-21",
        "last_updated": "2020-05-21",
        "certification_date": "2020-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A95560",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.