Mark Tafoya, MD
NPI 1639233448 · Ophthalmology Physician · Waipahu, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Tafoya, MD is a Ophthalmology Physician provider in Waipahu, HI (NPI 1639233448).
Provider details
- NPI number
- 1639233448
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD-11913 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2,990 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 | 805 | $131 |
| Photography of the Retina92250 | 697 | $39 |
| Imaging of Retina92134 | 530 | $41 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 373 | $25 |
| Injection of Drug Into Eye67028 | 262 | $114 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 82 | $171 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 334 | 100 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 296 | 128 |
| Latanoprost | 247 | 63 |
| Bromfenac Sodiumbrand: Prolensa | 238 | 53 |
| Prednisolone Acetate | 180 | 115 |
| Brimonidine Tartrate | 178 | 49 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$843 across 12 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
- 2006-12-19
- Last updated
- 2020-06-26
- Certified
- 2020-06-26
Frequently asked questions
- What is Mark Tafoya's NPI number?
- Mark Tafoya's National Provider Identifier (NPI) is 1639233448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tafoya's specialty?
- Mark Tafoya is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Tafoya located?
- Mark Tafoya's practice location on file with NPPES is 94-849 Lumiaina St, Waipahu, HI 96797-5025.
- What is Mark Tafoya's phone number?
- The practice phone number listed in the NPPES registry for Mark Tafoya is (808) 676-4772.
- Does Mark Tafoya accept Medicare?
- Mark Tafoya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Tafoya's NPI active?
- Yes — Mark Tafoya's NPI (1639233448) is active in the NPPES registry as of the last update on 2020-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.