Jason Kessler, MD
Physical Medicine And Rehabilitation (CMS) · San Mateo, CA
At a glance
1900 Ofarrell St Ste 190, San Mateo, CA 94403-1372
NPPES record updated Oct 2, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1900 Ofarrell St Ste 190San Mateo, CA 94403-1372
Additional reported practice locations
550 16Th St Ste 5450San Francisco, CA 941582545
Phone: 2122635506
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2020
- CMS specialties
- Physical Medicine And Rehabilitation
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $797.04 |
Reporting companies
| Company | Amount |
|---|---|
| BIOTRONIK NRO, INC. | $391.00 |
| SPR THERAPEUTICS, INC | $327.47 |
| ABBVIE INC. | $33.19 |
| CONVATEC INC. | $26.20 |
| COLLEGIUM PHARMACEUTICAL, INC. | $19.18 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Physical Medicine And Rehabilitation (CMS)
- Taxonomy code
- 2081P2900X
- Enumeration date
- May 7, 2020
- Record updated
- Oct 2, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2081P2900X · Primary
License reported: A195223 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1900 Ofarrell St Ste 190San Mateo, CA 94403-1372
- Phone
- (650) 306-9490
- Fax
- (650) 306-0250
Mailing address
550 16TH ST STE 5450SAN FRANCISCO, CA 941582545
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue