Active NPI
Jason Kessler, MD
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- San Mateo, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- License
- A195223
- Practice address
- 1900 Ofarrell St Ste 190
San Mateo, CA 94403-1372 - Phone
- (650) 306-9490
- Fax
- (650) 306-0250
- NPI assigned
- May 7, 2020
- 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 |
|---|---|---|---|---|
| Pain Medicine (Physical Medicine & Rehabilitation) Physician | 2081P2900X | A195223 | CA | Primary |
Addresses
Primary practice location
1900 Ofarrell St Ste 190
San Mateo, CA 94403-1372
Mailing address
550 16TH St Ste 5450
San Francisco, CA 94158-2545
Other practice location 1
550 16th St Ste 5450
San Francisco, CA 94158-2545
Phone (212) 263-5506
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
- Physical Medicine and Rehabilitation
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1900 Ofarrell St
Suite 190
San Mateo, CA 94403-1372
Phone (650) 306-9490
3828 Delmas Ter
Culver City, CA 90232-2713
Phone (310) 836-7000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A195223 | CA | MD | Pain Medicine (Physical Medicine & Rehabilitation) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sharwin Tafazoli Inc | Current | Accepting new patients | |
| Remedy Medical Group | Current | Accepting new patients |
Locations
3828 Delmas Ter
Culver City, CA 90232
Phone (310) 202-4745
2365 Quimby Rd
Ste 260
San Jose, CA 95122
Phone (408) 246-9926
1900 Ofarrell St
Ste 190
San Mateo, CA 94403
Phone 6503069490 ext. 119
4343 N Sierra Way
Sn Bernrdno, CA 92407
Phone (909) 886-4731
Interoperability endpoints
- jkessler457341@nyumc.direct-ci.com
Organizations & group practices 2
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.
-
- Interventional Pain Medicine Physician
- San Mateo, CA
- NPI 1952601353
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1588809600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1467074930",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "550 16TH ST STE 5450",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941582545"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1900 OFARRELL ST STE 190",
"city": "SAN MATEO",
"state": "CA",
"postal_code": "944031372",
"telephone_number": "650-306-9490",
"fax_number": "650-306-0250"
}
],
"practiceLocations": [
{
"address_1": "550 16th St Ste 5450",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941582545",
"country_code": "US",
"telephone_number": "212-263-5506",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KESSLER",
"first_name": "JASON",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-05-07",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "2081P2900X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation, Pain Medicine",
"state": "CA",
"license": "A195223",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Mateo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 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.