Gary Schoolnik, MD
NPI 1811023070 · Infectious Disease Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Schoolnik, MD is a Infectious Disease Physician provider in Stanford, CA (NPI 1811023070).
Provider details
- NPI number
- 1811023070
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G46217 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
333 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 239 | $89 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 46 | $146 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 24 | $92 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 24 | $55 |
Typical Medicare-allowed amounts for these services range $55–$146 (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.
Practice location
Mailing address
Additional practice locations (1)
- 2680 Hanover StPalo Alto, CA 94304-1117Phone: (999) 999-9999
Registry dates
- Enumerated
- 2007-02-24
- Last updated
- 2024-04-16
- Certified
- 2024-04-16
Frequently asked questions
- What is Gary Schoolnik's NPI number?
- Gary Schoolnik's National Provider Identifier (NPI) is 1811023070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Schoolnik's specialty?
- Gary Schoolnik is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Schoolnik located?
- Gary Schoolnik's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Gary Schoolnik's phone number?
- The practice phone number listed in the NPPES registry for Gary Schoolnik is (650) 723-4000.
- Does Gary Schoolnik accept Medicare?
- Gary Schoolnik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Schoolnik's NPI active?
- Yes — Gary Schoolnik's NPI (1811023070) is active in the NPPES registry as of the last update on 2024-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.