Sang an, O.D.
NPI 1477649895 · Optometrist · Carrollton, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sang an, O.D. is a Optometrist provider in Carrollton, TX (NPI 1477649895).
Provider details
- NPI number
- 1477649895
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 7039 (TX)
Specialties & taxonomies
Eye and Vision Services Providers
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
407 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 | 125 | $125 |
| Photography of Content of Eyes92285 | 99 | $22 |
| Photography of the Retina92250 | 76 | $34 |
| Exam of Visual Field With Extended Testing92083 | 50 | $63 |
| New Patient Complete Exam of Visual System92004 | 27 | $147 |
| Established Patient Problem Focused Exam of Visual System92012 | 17 | $88 |
| Imaging of Optic Nerve92133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 188 | 86 |
| Latanoprost | 151 | 33 |
| Lifitegrastbrand: Xiidra | 69 | 36 |
| Cyclosporine | 57 | 31 |
| Fluorometholone | 26 | 14 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 26 | 23 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 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
- 2006-10-04
- Last updated
- 2010-03-10
Frequently asked questions
- What is Sang an's NPI number?
- Sang an's National Provider Identifier (NPI) is 1477649895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sang an's specialty?
- Sang an is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Sang an located?
- Sang an's practice location on file with NPPES is 2625 Old Denton Rd, Carrollton, TX 75007-5125.
- What is Sang an's phone number?
- The practice phone number listed in the NPPES registry for Sang an is (972) 242-1652.
- Does Sang an accept Medicare?
- Sang an is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sang an's NPI active?
- Yes — Sang an's NPI (1477649895) is active in the NPPES registry as of the last update on 2010-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.