Active NPI
John Erskine Welsh, M.D.
- Physical Medicine & Rehabilitation Physician
- Campbell, CA
National Provider Identifier
1003990847
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Medicine & Rehabilitation Physician
- License
- G80415
- Practice address
- 429 Llewellyn Ave
Campbell, CA 95008-1948 - Phone
- (408) 364-1616
- NPI assigned
- Oct 25, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Physical Medicine & Rehabilitation Physician | 208100000X | G80415 | CA | Primary |
Addresses
Primary practice location
429 Llewellyn Ave
Campbell, CA 95008-1948
Mailing address
429 Llewellyn Ave
Campbell, CA 95008-1948
Phone (408) 364-1616
Other practice location 1
2500 Hospital Dr Bldg 9
Mountain View, CA 94040-4116
Phone (650) 254-1200
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Jan 1, 2026 through Jan 1, 2028
Care Compare profile
Medicare Care Compare- Specialty
- Physical Medicine and Rehabilitation
- Education
- Warren Alpert Medical School of Brown University, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
429 Llewelly Ave
Campbell, CA 95008-1948
Merit-based Incentive Payment System (MIPS)
- Final score
- 17.83 of 100
- Quality
- 0
- Improvement activities
- 0
- Cost
- 59.45
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G80415 | CA | MD | Physical Medicine & Rehabilitation Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| John Welsh, M.D. | Physical Medicine & Rehabilitation | Past | Accepting new patients |
| Stanford Hospital and Clinics | Past | Accepting new patients | |
| Alta Bates Summit Medical Center | Past | Accepting new patients | |
| El Camino Hospital | Past | Accepting new patients |
Organizations & group practices 4
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.
-
- Substance Use Disorder Rehabilitation Hospital Unit
- Oakland, CA
- NPI 1043358542
-
- General Acute Care Hospital
- Mountain View, CA
- NPI 1093712374
-
- Physical Medicine & Rehabilitation Physician
- Los Altos, CA
- NPI 1548393044
-
- Clinical Medical Laboratory
- Palo Alto, CA
- NPI 1174698468
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161734400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1658188800000",
"number": "1003990847",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "429 LLEWELLYN AVE",
"city": "CAMPBELL",
"state": "CA",
"postal_code": "950081948",
"telephone_number": "408-364-1616"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "429 LLEWELLYN AVE",
"city": "CAMPBELL",
"state": "CA",
"postal_code": "950081948",
"telephone_number": "408-364-1616"
}
],
"practiceLocations": [
{
"address_1": "2500 Hospital Dr Bldg 9",
"address_purpose": "LOCATION",
"city": "Mountain View",
"state": "CA",
"postal_code": "940404116",
"country_code": "US",
"telephone_number": "650-254-1200",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WELSH",
"first_name": "JOHN",
"middle_name": "ERSKINE",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-10-25",
"last_updated": "2022-07-19",
"certification_date": "2022-07-19",
"status": "A"
},
"taxonomies": [
{
"code": "208100000X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation",
"state": "CA",
"license": "G80415",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Campbell, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 19, 2022; 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; Opt Out Affidavits.
- 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.