Active NPI
Christopher Welty, MD
- Urology Physician
- Oakland, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Urology Physician
- License
- A126313
- Practice address
- 3300 Webster St 710
Oakland, CA 94609-3122 - Phone
- (510) 465-3800
- Fax
- (510) 986-1346
- NPI assigned
- Jul 30, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Urology Physician | 208800000X | A126313 | CA | Primary |
Addresses
Primary practice location
3300 Webster St 710
Oakland, CA 94609-3122
Mailing address
3300 Webster St 710
Oakland, CA 94609-3122
Phone (510) 465-5800
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
- Vanderbilt University School of Medicine, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1320 El Capitan Dr
Suite 320
Danville, CA 94526-6258
Phone (925) 866-2100
1505 Saint Alphonsus Way
Alamo, CA 94507-1570
Phone (925) 932-6330
3300 Webster St
Oakland, CA 94609-3122
365 Lennon LN
Walnut Creek, CA 94598-5915
Hospital & facility affiliations
- Alta Bates Summit Medical Center
- San Ramon Regional Medical Center
- John Muir Medical Center - Walnut Creek Campus
- Alameda Hospital
- Alta Bates Summit Medical Center - Alta Bates Camp
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.98 of 100
- Quality
- 80.39
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Prostate resection | 18 |
| Skin biopsy | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A126313 | CA | MD | Urology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| John Muir Trauma Physicians Billing Service | Current | Accepting new patients | |
| Bass Medical Group | Current | Accepting new patients | |
| Bass Medical Group | Current | Accepting new patients | |
| Bass Medical Group | Current | Accepting new patients | |
| John Muir Trauma Physicians Billing Service | Urology | Current | Accepting new patients |
| Bass Medical Group | Past | Accepting new patients | |
| City & County of San Francisco | Past | Accepting new patients | |
| Sutter Bay Hospitals | Past | Accepting new patients | |
| John Muir Health | Past | Accepting new patients | |
| John Muir Health | Past | Accepting new patients | |
| San Ramon Regional Medical Center, LLC | Past | Accepting new patients | |
| Bass Medical Group | Past | Accepting new patients | |
| Alta Bates Summit Medical Center | Past | Accepting new patients |
Locations
1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225
2400 Balfour Rd
Ste 230
Brentwood, CA 94513
Phone (925) 324-7404
1320 El Capitan Dr
Ste 320
Danville, CA 94526
Phone (925) 866-2100
3300 Webster St
Ste 710
Oakland, CA 94609
Phone (510) 465-5800
365 Lennon Ln
Ste 250
Walnut Creek, CA 94598
Phone (925) 627-3424
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545
355 Lennon Ln
Ste 205
Walnut Creek, CA 94598
Phone (925) 935-0627
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- cwelty47593@ehr.johnmuirhealth.com
- cwelty240176@hisp.ehr.sutterhealth.org
Organizations & group practices 13
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.
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-
- Hospitalist Physician
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-
- Orthopaedic Surgery Physician
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- NPI 1396124574
-
- Orthopaedic Surgery Physician
- San Ramon, CA
- NPI 1467329904
-
- Trauma Surgery Physician
- Walnut Creek, CA
- NPI 1962551861
Urology
-
- Substance Use Disorder Rehabilitation Hospital Unit
- Oakland, CA
- NPI 1043358542
-
- Specialist
- Walnut Creek, CA
- NPI 1154401941
-
- Pain Medicine Physician
- Visalia, CA
- NPI 1326409343
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1649213000
-
- Rehabilitation Hospital Unit
- Walnut Creek, CA
- NPI 1447269303
-
- General Acute Care Hospital
- Concord, CA
- NPI 1801821376
-
- General Acute Care Hospital
- San Ramon, CA
- NPI 1932131489
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Alameda, CA
- NPI 1831529049
-
- General Acute Care Hospital
- Walnut Creek, CA
- NPI 1740215219
-
- General Acute Care Hospital
- San Ramon, CA
- NPI 1932131489
-
- General Acute Care Hospital
- Oakland, CA
- NPI 1295181477
-
- General Acute Care Hospital
- Berkeley, CA
- NPI 1639523004
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1185753600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1739145600000",
"number": "1750571360",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3300 WEBSTER ST 710",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946093122",
"telephone_number": "510-465-5800",
"fax_number": "510-986-1346"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3300 WEBSTER ST 710",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946093122",
"telephone_number": "510-465-3800",
"fax_number": "510-986-1346"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WELTY",
"first_name": "CHRISTOPHER",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-07-30",
"last_updated": "2025-02-10",
"certification_date": "2025-02-10",
"status": "A"
},
"taxonomies": [
{
"code": "208800000X",
"taxonomy_group": "",
"desc": "Urology",
"state": "CA",
"license": "A126313",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2025; 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.