Bryan Gescuk, M.D.
NPI 1295815579 · Rheumatology Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bryan Gescuk, M.D. is a Rheumatology Physician provider in San Mateo, CA (NPI 1295815579).
Provider details
- NPI number
- 1295815579
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A65762 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,559 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 541 | $153 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 312 | $175 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 266 | $19 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 182 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $197 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 292 | 127 |
| Methotrexate Sodiumbrand: Methotrexate | 230 | 77 |
| Hydroxychloroquine Sulfate | 155 | 42 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 149 | 28 |
| Adalimumabbrand: Humira(cf) Pen | 132 | 15 |
| Allopurinol | 129 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129,815 across 346 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 101 S San Mateo Dr Ste 307San Mateo, CA 94401-3844Phone: (650) 348-6011Fax: (650) 348-6027
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2022-07-21
Frequently asked questions
- What is Bryan Gescuk's NPI number?
- Bryan Gescuk's National Provider Identifier (NPI) is 1295815579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bryan Gescuk's specialty?
- Bryan Gescuk is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Bryan Gescuk located?
- Bryan Gescuk's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Bryan Gescuk's phone number?
- The practice phone number listed in the NPPES registry for Bryan Gescuk is (650) 573-2222.
- Does Bryan Gescuk accept Medicare?
- Bryan Gescuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bryan Gescuk's NPI active?
- Yes — Bryan Gescuk's NPI (1295815579) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.