Tessa Markus, O.D.
NPI 1841261260 · Optometrist · Houston, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tessa Markus, O.D. is a Optometrist provider in Houston, TX (NPI 1841261260).
Provider details
- NPI number
- 1841261260
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5421TG (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
20 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
1,270 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 Problem Focused Exam of Visual System92012 | 382 | $88 |
| Photography of the Retina92250 | 248 | $37 |
| Established Patient Complete Exam of Visual System92014 | 226 | $125 |
| Imaging of Retina92134 | 162 | $39 |
| Exam of Visual Field With Extended Testing92083 | 110 | $63 |
| Imaging of Optic Nerve92133 | 87 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
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 | 174 | 37 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 77 | 23 |
| Brimonidine Tartrate | 60 | 19 |
| Dorzolamide Hcl | 48 | — |
| Prednisolone Acetate | 46 | 35 |
| Timolol Maleate | 42 | 14 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$212 across 9 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
- 2006-02-01
- Last updated
- 2025-05-30
Frequently asked questions
- What is Tessa Markus's NPI number?
- Tessa Markus's National Provider Identifier (NPI) is 1841261260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tessa Markus's specialty?
- Tessa Markus is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Tessa Markus located?
- Tessa Markus's practice location on file with NPPES is 13333 Dotson Rd, Houston, TX 77070-4305.
- What is Tessa Markus's phone number?
- The practice phone number listed in the NPPES registry for Tessa Markus is (281) 890-1784.
- Does Tessa Markus accept Medicare?
- Tessa Markus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tessa Markus's NPI active?
- Yes — Tessa Markus's NPI (1841261260) is active in the NPPES registry as of the last update on 2025-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.