Physician Profile
Unclaimed ProfileAbout GESCUK
Based in San Mateo, CA, Bryan D Gescuk, M.D. is listed in the NPI registry under rheumatology. Bryan trained at Boston University School of Medicine. Medicare claims data shows Bryan provided 36,452 services to 1,007 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (650) 573-2222
- Email not available
Practice Locations
222 W 39TH AVE
San Mateo, CA 94403
Procedures Most Often Billed to Medicare
36,452 services · 1,007 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
66 |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
23 |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
13 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
312 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
182 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
17 |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
17,450 |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
10,375 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,780 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
288 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other rheumatology specialists in San Mateo 3
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Gescuk specialize in?
Dr. Gescuk is a rheumatology in San Mateo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RHEUMATOLOGY”.
NPI registry
Where is Dr. Gescuk located?
Dr. Gescuk is listed at 222 W 39TH AVE, San Mateo, CA 94403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gescuk's phone number?
The number on file is (650) 573-2222. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gescuk?
Dr. Gescuk's National Provider Identifier is 1295815579. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gescuk go to medical school?
Dr. Gescuk attended Boston University School of Medicine. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gescuk have?
Dr. Gescuk has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Gescuk do most often?
According to Medicare billing data, Dr. Gescuk performs procedures including aspiration and/or injection of fluid from large joint, aspiration and/or injection of fluid from small joint and aspiration and/or injection of fluid from medium joint; provides treatments such as administration of chemotherapy into vein, 1 hour or less and administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gescuk's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gescuk. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.