Active NPI
Benjamin C Dudley, MD
- Urology Physician
- Petaluma, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- A136154
- Practice address
- 335 S McDowell Blvd
Petaluma, CA 94954-3507 - Phone
- (415) 461-4000
- Fax
- (415) 461-6907
- NPI assigned
- May 23, 2007
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Urology Physician | 208800000X | 13996 | NV | |
| Urology Physician | 208800000X | A136154 | CA | Primary |
Addresses
Primary practice location
335 S McDowell Blvd
Petaluma, CA 94954-3507
Mailing address
335 S McDowell Blvd
Petaluma, CA 94954-3507
Phone (800) 470-0071
Other practice location 1
75 Rowland Way Ste 100
Novato, CA 94945-5054
Phone (415) 461-4000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 07938 | Medicaid | LA |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Urology
- Education
- University of New Mexico School of Medicine, 2006
- Medicare assignment
- May accept Medicare assignment
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1860 Pennsylvania Ave
Fairfield, CA 94533-3590
Phone (707) 646-4114
1860 Pennsylvania Ave
Suite 200
Fairfield, CA 94533-3550
Phone (707) 646-4180
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000
Hospital & facility affiliations
- Marinhealth Medical Center
- Petaluma Valley Hospital
- Sonoma Valley Hospital
- Northbay Medical Center
- Novato Community Hospital
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Prostate resection | 12 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A136154 | CA | MD | Urology Physician |
| 13996 | NV | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Permanente Medical Group, Inc | Current | Accepting new patients | |
| Northbay Health Medical Foundation | Current | Accepting new patients | |
| Regents Univ of California UCSF | Current | Accepting new patients | |
| Northbay Healthcare Group | Current | Accepting new patients | |
| Permanente Medical Group Inc | Current | Accepting new patients | |
| Northbay Healthcare Group | Current | Accepting new patients | |
| Permanente Medical Group Inc | Current | Accepting new patients |
Locations (25 of 27)
750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131
1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600
2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731
1860 Pennsylvania Ave
Ste 110
Fairfield, CA 94533
Phone (707) 254-9693
1860 Pennsylvania Ave
Ste 200
Fairfield, CA 94533
Phone (707) 427-5211
4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738
1240 S Eliseo Dr
Ste 200
Greenbrae, CA 94904
Phone (415) 461-4000
900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014
75 Rowland Way
Ste 100
Novato, CA 94945
Phone (415) 897-9664
101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109
335 S McDowell Blvd
Petaluma, CA 94954
Phone (415) 493-3800
1496 Professional Dr
Ste 603
Petaluma, CA 94954
Phone (415) 461-4000
1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015
901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500
930 W Main St
Ripon, CA 95366
Phone (209) 599-4221
2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400
5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700
7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000
1010 Nut Tree Rd
Ste 100
Vacaville, CA 95687
Phone (707) 333-3065
1010 Nut Tree Rd
Ste 100B
Vacaville, CA 95687
Phone (707) 646-7999
1 Quality Dr
Vacaville, CA 95688
Phone (707) 453-5000
1000 Nut Tree Rd
Vacaville, CA 95687
Phone (707) 446-4000
975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000
Interoperability endpoints
- bdudley305119@direct-ucsfmedicalcenter.org
Organizations & group practices 7
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.
-
- Internal Medicine Physician
- Fairfield, CA
- NPI 1760283527
-
- General Acute Care Hospital
- Fairfield, CA
- NPI 1821147786
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1124439807
-
- Internal Medicine Physician
- Santa Clara, CA
- NPI 1073606299
-
- Multi-Specialty Clinic/Center
- Vacaville, CA
- NPI 1760534713
-
- Internal Medicine Physician
- Stockton, CA
- NPI 1548343510
-
- Clinical Medical Laboratory
- San Jose, CA
- NPI 1497971584
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Greenbrae, CA
- NPI 1396725677
-
- General Acute Care Hospital
- Petaluma, CA
- NPI 1235162645
-
- General Acute Care Hospital
- Fairfield, CA
- NPI 1821147786
-
- General Acute Care Hospital
- Sonoma, CA
- NPI 1710063870
-
- General Acute Care Hospital
- Novato, CA
- NPI 1104059153
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1179878400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773360000000",
"number": "1669682811",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "335 S MCDOWELL BLVD",
"city": "PETALUMA",
"state": "CA",
"postal_code": "949543507",
"telephone_number": "800-470-0071"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "335 S MCDOWELL BLVD",
"city": "PETALUMA",
"state": "CA",
"postal_code": "949543507",
"telephone_number": "415-461-4000",
"fax_number": "415-461-6907"
}
],
"practiceLocations": [
{
"address_1": "75 Rowland Way Ste 100",
"address_purpose": "LOCATION",
"city": "Novato",
"state": "CA",
"postal_code": "949455054",
"country_code": "US",
"telephone_number": "415-461-4000",
"fax_number": "415-461-6907",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DUDLEY",
"first_name": "BENJAMIN",
"middle_name": "C",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-05-23",
"last_updated": "2026-03-13",
"certification_date": "2026-03-13",
"status": "A"
},
"taxonomies": [
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "NV",
"license": "13996",
"primary": false
},
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "CA",
"license": "A136154",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "07938",
"state": "LA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Petaluma, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.