Olen Tatham, OD
NPI 1518645183 · Optometrist · Sylva, NC
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olen Tatham, OD is a Optometrist provider in Sylva, NC (NPI 1518645183).
Provider details
- NPI number
- 1518645183
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2429 (SC)
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 tenure25% of score
2 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
771 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 245 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $119 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 75 | $104 |
| Established Patient Complete Exam of Visual System92014 | 68 | $117 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $157 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 53 | 48 |
| Latanoprost | 51 | 21 |
| Doxycycline Hyclate | 48 | 44 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 35 | 34 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 26 | 25 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 19 | — |
| Timolol Maleate | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$243 across 8 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
- 2023-07-05
- Last updated
- 2023-09-06
- Certified
- 2023-09-06
Frequently asked questions
- What is Olen Tatham's NPI number?
- Olen Tatham's National Provider Identifier (NPI) is 1518645183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olen Tatham's specialty?
- Olen Tatham is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Olen Tatham located?
- Olen Tatham's practice location on file with NPPES is 1196 Skyland Dr, Sylva, NC 28779-8002.
- What is Olen Tatham's phone number?
- The practice phone number listed in the NPPES registry for Olen Tatham is (828) 258-1586.
- Does Olen Tatham accept Medicare?
- Olen Tatham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olen Tatham's NPI active?
- Yes — Olen Tatham's NPI (1518645183) is active in the NPPES registry as of the last update on 2023-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.