Effie Tatakis, O.D.
Effie Tatakis, O.D. is a provider specialising in Optometrist in Brooklyn, NY, registered under NPI 1003055039. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Brooklyn, based on OpenStreetMap data collected Sep 2, 2026. Parking is available about 513 ft away. The nearest transit stop is 325 ft away, served by Avenue U & East 37th Street. A pharmacy sits 0.42 mi from the entrance (Walgreens), which helps if you leave with a prescription.
Getting here and what is nearby
Parking 95 ft ~1 min
Transit Avenue U & East 38th Street 247 ft ~1 min
Transit Avenue U & East 37th Street 299 ft ~2 min
Transit Avenue U & East 37th Street 325 ft ~2 min
Parking 313 ft ~2 min
Parking 513 ft ~2 min
Convenience 7-Eleven 0.24 mi ~5 min
Grocery Food Universe 0.25 mi ~6 min
2424 Flatbush Avenue, Brooklyn 11234
Convenience Speedway 0.27 mi ~6 min
Gas station Speedway 0.29 mi ~6 min
Restaurant Mandarin House 0.35 mi ~8 min
2348 Flatbush Avenue
Restaurant Dunkin' 0.36 mi ~8 min
2344 Flatbush Avenue, Brooklyn 11234
03:00-02:00
Pharmacy Walgreens 0.42 mi ~9 min
Restaurant Popeyes 0.43 mi ~9 min
Gas station Sunoco 0.49 mi ~10 min
Convenience Gulf Mart 0.50 mi ~10 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 004950 | NY | Optometrist primary |
This provider holds licence 004950 issued in NY. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Optometry
- PAC ID
- 2264589936
- Enrollment ID
- I20090415000375
Medicare enrolment is recorded as approved under the provider type Practitioner - Optometry. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Optometrist covers
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system. NUCC Health Care Provider Taxonomy, code 152W00000X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003055039 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Feb 15, 2009 |
| Last updated | Oct 10, 2018 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Female |
| Credential | O.D. |
| Practice address |
2172 E 38TH ST Brooklyn, NY 11234 (718) 434-0711 |
| Mailing address |
2019 NOSTRAND AVE Brooklyn, NY 11210 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 5 | 5 | 0 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 5 | 1 | 0 | 6 |
Sum = 41 · next multiple of 10 = 50 · check digit = 9 · actual last digit = 9
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.