Individual provider Active NPI

Kurt Dieter Dittmar, MD

  • Anesthesiology Physician
  • Walnut Creek, CA
National Provider Identifier
1003858697
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A75232 Issued in CA
Practice address
1607 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone
(925) 939-3000
Fax
(925) 947-5286
NPI assigned
Jun 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X A75232 CA Primary

Addresses

Primary practice location

1607 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122

Mailing address

PO Box 7793
San Francisco, CA 94120-7793

Other identifiers 1

IdentifierTypeStateIssuer
00A752320MedicaidCA

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
I20101115000164 CA Practitioner - Anesthesiology 4981899002 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Michigan Medical School, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
G2 Anesthesia PCGroup PAC ID 3375873599, 104 clinicians

Practice addresses (Care Compare)

3370 Geary Blvd
San Francisco, CA 94118-3324
Phone (415) 379-7500

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A75232CAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Feb 21, 2023 Accepting new patients
UCSF Medical Group Business Services CurrentSince Feb 21, 2023 Accepting new patients
University of California San Francisco CurrentSince Feb 21, 2023 Accepting new patients
John Muir Trauma Physicians Billing Service Current Accepting new patients
John Muir Trauma Physicians Billing Service Anesthesiology CurrentSince Aug 13, 2018 Accepting new patients
Cep America - Anesthesia PC Anesthesiology CurrentSince Jan 1, 2023 Accepting new patients
Cep America - Anesthesia, PC Anesthesiology CurrentSince Jan 1, 2023 Accepting new patients
University of California San Francisco CurrentSince Feb 21, 2023 Accepting new patients
University Anesthesia Medical Group Anesthesiology CurrentSince Feb 21, 2023 Accepting new patients
G2 Anesthesia PC Anesthesiology CurrentSince Dec 29, 2024 Accepting new patients
John Muir Health Past Accepting new patients
UCSF Medical Center Anesthesiology Past Accepting new patients
University of California San Francisco Past Accepting new patients
John Muir Health Past Accepting new patients

Locations

3100 San Pablo Ave
Berkeley, CA 94702
Phone (510) 985-5020

429 Llewellyn Ave
Campbell, CA 95008
Phone (408) 358-5000

2000 Mowry Ave
Fremont, CA 94538
Phone (510) 793-6653

975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575

15047 Los Gatos Blvd
Ste 150
Los Gatos, CA 95032
Phone (408) 356-2244

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

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

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

521 Parnassus Ave
Fl 4
San Francisco, CA 94143
Phone (415) 476-9035

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

3370 Geary Blvd
San Francisco, CA 94118
Phone (415) 379-7500

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

2425 Samaritan Dr
San Jose, CA 95124
Phone (408) 354-2114

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

133 La Casa Via
Ste 150
Walnut Creek, CA 94598
Phone (925) 210-8400

1601 Ygnacio Valley Rd
#100
Walnut Creek, CA 94598
Phone (925) 947-5245

2021 Ygnacio Valley Rd
Ste H102
Walnut Creek, CA 94598
Phone (866) 678-4320

Organizations & group practices 14

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.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1149984000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1003858697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7793",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941207793"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1607 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983122",
            "telephone_number": "925-939-3000",
            "fax_number": "925-947-5286"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DITTMAR",
        "first_name": "KURT",
        "middle_name": "DIETER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-11",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A75232",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A752320",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.