Theodore Hackl
NPI 1881857662 · Ophthalmology Physician · San Angelo, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Hackl is a Ophthalmology Physician provider in San Angelo, TX (NPI 1881857662).
Provider details
- NPI number
- 1881857662
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- P2662 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
3,671 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 | 835 | $124 |
| Imaging of Retina92134 | 687 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 415 | $129 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 300 | $41 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 262 | $517 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 235 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 680 | 152 |
| Prednisolone Acetate | 610 | 384 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 317 | 87 |
| Brimonidine Tartrate | 63 | 13 |
| Timolol Maleate | 53 | 15 |
| Bimatoprostbrand: Lumigan | 46 | — |
| Brimonidine Tartrate/Timololbrand: Combigan | 43 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$276 across 5 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
- 2008-07-02
- Last updated
- 2014-06-09
Frequently asked questions
- What is Theodore Hackl's NPI number?
- Theodore Hackl's National Provider Identifier (NPI) is 1881857662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Hackl's specialty?
- Theodore Hackl is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Hackl located?
- Theodore Hackl's practice location on file with NPPES is 3605 Executive Dr, San Angelo, TX 76904-6884.
- What is Theodore Hackl's phone number?
- The practice phone number listed in the NPPES registry for Theodore Hackl is (325) 949-9555.
- Does Theodore Hackl accept Medicare?
- Theodore Hackl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Hackl's NPI active?
- Yes — Theodore Hackl's NPI (1881857662) is active in the NPPES registry as of the last update on 2014-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.