Wesley Mizutani, MD
NPI 1699774919 · Rheumatology Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wesley Mizutani, MD is a Rheumatology Physician provider in Huntington Beach, CA (NPI 1699774919).
Provider details
- NPI number
- 1699774919
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A40745 (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
20 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
63 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $134 |
Typical Medicare-allowed amounts for these services range $99–$134 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 154 | 41 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 74 | 11 |
| Meloxicam | 71 | 25 |
| Methotrexate Sodiumbrand: Methotrexate | 56 | 26 |
| Hydroxychloroquine Sulfate | 37 | 11 |
| Nabumetone | 33 | — |
| Celecoxib | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$458 across 6 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)
- 2925 N Palo VerdeLong Beach, CA 90815Phone: (714) 964-6229
Registry dates
- Enumerated
- 2005-07-19
- Last updated
- 2026-01-01
- Certified
- 2026-01-01
Frequently asked questions
- What is Wesley Mizutani's NPI number?
- Wesley Mizutani's National Provider Identifier (NPI) is 1699774919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wesley Mizutani's specialty?
- Wesley Mizutani is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Wesley Mizutani located?
- Wesley Mizutani's practice location on file with NPPES is 19066 Magnolia St, Huntington Beach, CA 92646-2232.
- What is Wesley Mizutani's phone number?
- The practice phone number listed in the NPPES registry for Wesley Mizutani is (714) 968-0068.
- Does Wesley Mizutani accept Medicare?
- Wesley Mizutani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wesley Mizutani's NPI active?
- Yes — Wesley Mizutani's NPI (1699774919) is active in the NPPES registry as of the last update on 2026-01-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.