Individual provider Active NPI

Daniel Rengstorff, M.D.

  • Gastroenterology Physician
  • San Mateo, CA
National Provider Identifier
1033295662
Registry record updated Oct 7, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A75430 Issued in CA
Practice address
218 De Anza Blvd
San Mateo, CA 94402-3913
Phone
(650) 341-9131
NPI assigned
Oct 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2024

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 A75430 CA Primary

Addresses

Primary practice location

218 De Anza Blvd
San Mateo, CA 94402-3913

Mailing address

2900 Whipple Ave Ste 245
Redwood City, CA 94062-2851
Phone (650) 365-3700

Other practice location 1

2900 Whipple Ave Ste 245
Redwood City, CA 94062-2851
Phone (650) 365-3700

Other identifiers 2

IdentifierTypeStateIssuer
GR0025350MedicaidCA
ZZZ12647ZOtherCABLUE SHIED

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
I20040826000752 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 0143295998 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Georgetown University School of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians
Regents of the University of California - UCSFGroup PAC ID 3375822471, 78 clinicians

Practice addresses (Care Compare)

225 California Dr
Burlingame, CA 94010-4145
Phone (650) 341-9131

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.82 of 100Reported as group
Quality
90.46
Promoting interoperability
76
Improvement activities
40
Cost
75.6

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy54
Upper gastrointestinal (GI) endoscopy for acid reflux44

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A75430CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Oct 1, 2024 Accepting new patients
UCSF Medical Group Business Services CurrentSince Oct 1, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
Regents of the University of California Gastroenterology CurrentSince Oct 1, 2024 Accepting new patients
University of California San Francisco CurrentSince Oct 1, 2024 Accepting new patients
Peninsula Gastroenterology Medical Group Inc Gastroenterology CurrentSince Jun 15, 2005 Accepting new patients
University of California San Francisco CurrentSince Oct 1, 2024 Accepting new patients
Regents of the University of California - UCSF CurrentSince Oct 1, 2019 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
University of California San Francisco Past Accepting new patients
El Camino Hospital Past Accepting new patients
Digestive Care Medical Center Inc Past Accepting new patients

Locations

2500 Hospital Dr
Ste 8B
Mountain View, CA 94040
Phone (510) 574-7720

2495 Hospital Dr
Ste 600
Mountain View, CA 94040
Phone (650) 964-3636

2900 Whipple Ave
Ste 245
Redwood City, CA 94062
Phone (415) 365-3700

170 Alameda de las Pulgas
Redwood City, CA 94062
Phone (650) 367-5536

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

218 De Anza Blvd
San Mateo, CA 94402
Phone (650) 341-9131

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: drengstorff106211@direct-ucsfmedicalcenter.org

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1161907200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1728259200000",
    "number": "1033295662",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 WHIPPLE AVE STE 245",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940622851",
            "telephone_number": "650-365-3700",
            "fax_number": "650-368-3836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "218 DE ANZA BLVD",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944023913",
            "telephone_number": "650-341-9131"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2900 Whipple Ave Ste 245",
            "address_purpose": "LOCATION",
            "city": "Redwood City",
            "state": "CA",
            "postal_code": "940622851",
            "country_code": "US",
            "telephone_number": "650-365-3700",
            "fax_number": "650-368-3836",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RENGSTORFF",
        "first_name": "DANIEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-27",
        "last_updated": "2024-10-07",
        "certification_date": "2024-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A75430",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0025350",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIED",
            "identifier": "ZZZ12647Z",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Mateo, CA

Sources for this page

Verify at the official NPI Registry.