Mark Welding, O.D.
NPI 1881619021 · Optometrist · Arlington, TX
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Welding, O.D. is a Optometrist provider in Arlington, TX (NPI 1881619021).
Provider details
- NPI number
- 1881619021
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 05468TG (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,101 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 | 771 | $123 |
| Established Patient Problem Focused Exam of Visual System92012 | 276 | $87 |
| Imaging of Optic Nerve92133 | 201 | $35 |
| Exam of Visual Field With Extended Testing92083 | 200 | $62 |
| Imaging of Retina92134 | 195 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 157 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
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 | 506 | 141 |
| Prednisolone Acetate | 164 | 148 |
| Timolol Maleate | 135 | 39 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 119 | 35 |
| Lifitegrastbrand: Xiidra | 108 | 29 |
| Bimatoprostbrand: Lumigan | 86 | 28 |
| Cyclosporinebrand: Restasis | 66 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$803 across 27 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
Additional practice locations (1)
- 2925 E Broad StMansfield, TX 76063-9184Phone: (817) 477-0223Fax: (817) 277-9086
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2020-05-04
- Certified
- 2020-05-04
Frequently asked questions
- What is Mark Welding's NPI number?
- Mark Welding's National Provider Identifier (NPI) is 1881619021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Welding's specialty?
- Mark Welding is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Welding located?
- Mark Welding's practice location on file with NPPES is 801 W Randol Mill Rd Ste 201, Arlington, TX 76012-2505.
- What is Mark Welding's phone number?
- The practice phone number listed in the NPPES registry for Mark Welding is (817) 277-6433.
- Does Mark Welding accept Medicare?
- Mark Welding is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Welding's NPI active?
- Yes — Mark Welding's NPI (1881619021) is active in the NPPES registry as of the last update on 2020-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.