Thomas Lang, MD
NPI 1891772620 · Ophthalmology Physician · Providence, RI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Lang, MD is a Ophthalmology Physician provider in Providence, RI (NPI 1891772620).
Provider details
- NPI number
- 1891772620
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD07306 (RI)
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
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
2,687 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 | 1,020 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 441 | $91 |
| Exam of Visual Field With Extended Testing92083 | 353 | $64 |
| Imaging of Optic Nerve92133 | 332 | $36 |
| Imaging of Retina92134 | 189 | $41 |
| Established Patient Problem Focused Exam of Visual System92012 | 103 | $90 |
| Closure of Tear Duct Opening Using Plug |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 910 | 272 |
| Dorzolamide Hcl | 415 | 131 |
| Brimonidine Tartrate | 288 | 80 |
| Bimatoprostbrand: Lumigan | 207 | 50 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 155 | 50 |
| Timolol Maleate | 151 | 53 |
| Erythromycin Basebrand: Erythromycin | 100 | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$474 across 10 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
- 2005-12-22
- Last updated
- 2012-05-03
Frequently asked questions
- What is Thomas Lang's NPI number?
- Thomas Lang's National Provider Identifier (NPI) is 1891772620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Lang's specialty?
- Thomas Lang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Lang located?
- Thomas Lang's practice location on file with NPPES is 150 E Manning St, Providence, RI 02906-5109.
- What is Thomas Lang's phone number?
- The practice phone number listed in the NPPES registry for Thomas Lang is (401) 272-2020.
- Does Thomas Lang accept Medicare?
- Thomas Lang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Lang's NPI active?
- Yes — Thomas Lang's NPI (1891772620) is active in the NPPES registry as of the last update on 2012-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.