Dennis Sugiyama, O. D.
NPI 1134178155 · Optometrist · Mission Hills, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Sugiyama, O. D. is a Optometrist provider in Mission Hills, CA (NPI 1134178155).
Provider details
- NPI number
- 1134178155
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O. D.
- Sex
- Male
- Sole proprietor
- No
- License
- OPT9808-TLG (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 303 | 92 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 125 | 38 |
| Brimonidine Tartrate | 77 | 26 |
| Timolol Maleate | 33 | 11 |
| Bimatoprostbrand: Lumigan | 21 | — |
| Brimonidine Tartratebrand: Alphagan P | 17 | — |
| Azelastine Hcl | 15 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 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
- 2006-05-08
- Last updated
- 2024-12-12
- Certified
- 2024-12-12
Frequently asked questions
- What is Dennis Sugiyama's NPI number?
- Dennis Sugiyama's National Provider Identifier (NPI) is 1134178155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Sugiyama's specialty?
- Dennis Sugiyama is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Dennis Sugiyama located?
- Dennis Sugiyama's practice location on file with NPPES is 11550 Indian Hills Rd Ste 341, Mission Hills, CA 91345-1203.
- What is Dennis Sugiyama's phone number?
- The practice phone number listed in the NPPES registry for Dennis Sugiyama is (818) 365-0606.
- Does Dennis Sugiyama accept Medicare?
- Dennis Sugiyama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Sugiyama's NPI active?
- Yes — Dennis Sugiyama's NPI (1134178155) is active in the NPPES registry as of the last update on 2024-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.