James Berg, M.D.
NPI 1982015921 · Ophthalmology Physician · Nacogdoches, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Berg, M.D. is a Ophthalmology Physician provider in Nacogdoches, TX (NPI 1982015921).
Provider details
- NPI number
- 1982015921
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,959 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) |
|---|---|---|
| Imaging of Retina92134 | 750 | $38 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 595 | $443 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 528 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 504 | $122 |
| Insertion of Drug Delivery Implant Into Tear Duct of Eye68841 | 492 | $15 |
| Injection of Drug Into Eye67028 | 408 | $116 |
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 | 551 | 157 |
| Prednisolone Acetate | 281 | 199 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 156 | 46 |
| Brimonidine Tartrate | 112 | 39 |
| Timolol Maleate | 100 | 39 |
| Ofloxacin | 97 | 92 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 90 | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,550 across 38 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
- 2014-05-13
- Last updated
- 2018-06-12
Frequently asked questions
- What is James Berg's NPI number?
- James Berg's National Provider Identifier (NPI) is 1982015921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Berg's specialty?
- James Berg is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Berg located?
- James Berg's practice location on file with NPPES is 5300 North St, Nacogdoches, TX 75965.
- What is James Berg's phone number?
- The practice phone number listed in the NPPES registry for James Berg is (936) 569-8278.
- Does James Berg accept Medicare?
- James Berg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Berg's NPI active?
- Yes — James Berg's NPI (1982015921) is active in the NPPES registry as of the last update on 2018-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.