Alfonso Sitenga, OD
NPI 1609445451 · Optometrist · Kenai, AK
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfonso Sitenga, OD is a Optometrist provider in Kenai, AK (NPI 1609445451).
Provider details
- NPI number
- 1609445451
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 171412 (AK)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,864 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 582 | $113 |
| Established Patient Complete Exam of Visual System92014 | 335 | $152 |
| Exam of Visual Field With Extended Testing92083 | 275 | $74 |
| New Patient Complete Exam of Visual System92004 | 204 | $182 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 134 | $68 |
| Imaging of Optic Nerve92133 | 78 | $42 |
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 | 341 | 123 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 142 | 122 |
| Timolol Maleate | 114 | 38 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | 17 |
| Brimonidine Tartrate | 28 | 12 |
| Prednisolone Acetate | 22 | 14 |
| Bimatoprostbrand: Lumigan | 20 | — |
Practice location
Mailing address
Additional practice locations (1)
- 4381 E Hill RdHomer, AK 99603-8203Phone: (907) 235-2358
Registry dates
- Enumerated
- 2021-06-24
- Last updated
- 2021-06-24
- Certified
- 2021-06-04
Frequently asked questions
- What is Alfonso Sitenga's NPI number?
- Alfonso Sitenga's National Provider Identifier (NPI) is 1609445451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfonso Sitenga's specialty?
- Alfonso Sitenga is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Alfonso Sitenga located?
- Alfonso Sitenga's practice location on file with NPPES is 115 Bidarka St, Kenai, AK 99611-7741.
- What is Alfonso Sitenga's phone number?
- The practice phone number listed in the NPPES registry for Alfonso Sitenga is (907) 335-3358.
- Does Alfonso Sitenga accept Medicare?
- Alfonso Sitenga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfonso Sitenga's NPI active?
- Yes — Alfonso Sitenga's NPI (1609445451) is active in the NPPES registry as of the last update on 2021-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.