Individual provider Active NPI

Hyma Tanikella Vempaty, MD

  • Hematology (Internal Medicine) Physician
  • Stanford, CA
National Provider Identifier
1750389250
Registry record updated Jul 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
A61497 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Jul 8, 2005
Reactivated
Mar 28, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X A61497 CA
Hematology (Internal Medicine) Physician 207RH0000X A61497 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

710 Lawrence Expy
Kaiser Permanente
Santa Clara, CA 95051-5173
Phone (408) 851-4304

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

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
I20040910000357 CA Practitioner - Hematology/OncologyPractitioner - Internal Medicine 7810964830 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A61497CAMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group, Inc CurrentSince Nov 2, 2010 Accepting new patients
Stanford Health Care CurrentSince Jul 8, 2025 Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Jul 8, 2025 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Stanford Health Care CurrentSince Jul 8, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Nov 2, 2010 Accepting new patients

Locations

900 Blake Wilbur Dr
Palo Alto, CA 94304
Phone (650) 498-6004

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

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

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

700 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 851-5300

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

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

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

Organizations & group practices 6

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 7

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": "1120780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1750389250",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "710 Lawrence Expy",
            "address_2": "Kaiser Permanente",
            "address_purpose": "LOCATION",
            "city": "Santa Clara",
            "state": "CA",
            "postal_code": "950515173",
            "country_code": "US",
            "telephone_number": "408-851-4304",
            "fax_number": "408-851-4319",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VEMPATY",
        "first_name": "HYMA",
        "middle_name": "TANIKELLA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-07-08",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "deactivation_date": "2005-09-13",
        "reactivation_date": "2007-03-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A61497",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "CA",
            "license": "A61497",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "700 Lawrence Expy",
            "city": "Santa Clara",
            "state": "CA",
            "country_code": "US",
            "postal_code": "950515173",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.