Michael Mizoguchi, M.D.
NPI 1861418808 · Ophthalmology Physician · Eureka, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mizoguchi, M.D. is a Ophthalmology Physician provider in Eureka, CA (NPI 1861418808).
Provider details
- NPI number
- 1861418808
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A70161 (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
11,129 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 Complete Exam of Visual System92014 | 1,876 | $130 |
| Imaging of Retina92134 | 1,698 | $41 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,132 | $92 |
| Exam of Visual Field With Extended Testing92083 | 1,014 | $66 |
| Imaging of Optic Nerve92133 | 1,004 | $34 |
| Injection of Drug Into Eye67028 | 806 | $118 |
| Photography of the Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 890 | 215 |
| Prednisolone Acetate | 533 | 348 |
| Timolol Maleate | 492 | 139 |
| Moxifloxacin Hclbrand: Moxifloxacin | 408 | 267 |
| Brimonidine Tartrate | 351 | 98 |
| Ketorolac Tromethamine | 257 | 161 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 215 | 58 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 3 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
- 2006-07-14
- Last updated
- 2010-08-03
Frequently asked questions
- What is Michael Mizoguchi's NPI number?
- Michael Mizoguchi's National Provider Identifier (NPI) is 1861418808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mizoguchi's specialty?
- Michael Mizoguchi is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mizoguchi located?
- Michael Mizoguchi's practice location on file with NPPES is 2434 Harrison Ave, Eureka, CA 95501-3219.
- What is Michael Mizoguchi's phone number?
- The practice phone number listed in the NPPES registry for Michael Mizoguchi is (707) 443-5685.
- Does Michael Mizoguchi accept Medicare?
- Michael Mizoguchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mizoguchi's NPI active?
- Yes — Michael Mizoguchi's NPI (1861418808) is active in the NPPES registry as of the last update on 2010-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.