Barry Shibuya, M.D.
NPI 1275746935 · Rheumatology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barry Shibuya, M.D. is a Rheumatology Physician provider in Fremont, CA (NPI 1275746935).
Provider details
- NPI number
- 1275746935
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72682 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
566 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 511 | $147 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 55 | $184 |
Typical Medicare-allowed amounts for these services range $147–$184 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 297 | 53 |
| Adalimumabbrand: Humira(cf) Pen | 127 | 13 |
| Hydroxychloroquine Sulfate | 119 | 27 |
| Prednisone | 74 | 23 |
| Leflunomide | 68 | 14 |
| Ibuprofen | 57 | 13 |
| Sulfasalazine | 53 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18,078 across 33 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
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2011-11-17
Frequently asked questions
- What is Barry Shibuya's NPI number?
- Barry Shibuya's National Provider Identifier (NPI) is 1275746935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barry Shibuya's specialty?
- Barry Shibuya is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Barry Shibuya located?
- Barry Shibuya's practice location on file with NPPES is 3775 Beacon Ave, Fremont, CA 94538-1466.
- What is Barry Shibuya's phone number?
- The practice phone number listed in the NPPES registry for Barry Shibuya is (510) 791-1300.
- Does Barry Shibuya accept Medicare?
- Barry Shibuya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barry Shibuya's NPI active?
- Yes — Barry Shibuya's NPI (1275746935) is active in the NPPES registry as of the last update on 2011-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.