Jason Kao, PA-C
NPI 1255992293 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Kao, PA-C is a Physician Assistant provider in Stanford, CA (NPI 1255992293).
Provider details
- NPI number
- 1255992293
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 58841 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
381 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 96 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 82 | $182 |
Typical Medicare-allowed amounts for these services range $94–$182 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Osimertinib Mesylatebrand: Tagrisso | 348 | 55 |
| Apixabanbrand: Eliquis | 104 | 26 |
| Alectinib Hclbrand: Alecensa | 57 | — |
| Ondansetron Hcl | 45 | 29 |
| Prochlorperazine Maleate | 41 | 32 |
| Prednisone | 41 | 25 |
| Dexamethasone | 38 | 24 |
Practice location
Mailing address
Additional practice locations (1)
- 2570 48th StSacramento, CA 95817-1541Phone: (916) 734-2145
Registry dates
- Enumerated
- 2019-06-20
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Jason Kao's NPI number?
- Jason Kao's National Provider Identifier (NPI) is 1255992293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Kao's specialty?
- Jason Kao is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jason Kao located?
- Jason Kao's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Jason Kao's phone number?
- The practice phone number listed in the NPPES registry for Jason Kao is (650) 723-4000.
- Does Jason Kao accept Medicare?
- Jason Kao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Kao's NPI active?
- Yes — Jason Kao's NPI (1255992293) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.