Johnathan Jeffers, MD
NPI 1841829009 · Ophthalmology Physician · San Marcos, TX
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnathan Jeffers, MD is a Ophthalmology Physician provider in San Marcos, TX (NPI 1841829009).
Provider details
- NPI number
- 1841829009
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- 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
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
321 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) |
|---|---|---|
| New Patient Complete Exam of Visual System92004 | 64 | $141 |
| Established Patient Problem Focused Exam of Visual System92012 | 46 | $84 |
| Established Patient Complete Exam of Visual System92014 | 42 | $119 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $123 |
| Imaging of Retina92134 | 34 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $160 |
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 | 116 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 40 | 13 |
| Prednisolone Acetate | 36 | 26 |
| Brimonidine Tartrate | 34 | — |
| Timolol Maleate | 28 | — |
| Ketorolac Tromethamine | 25 | 16 |
| Netarsudil Mesylatebrand: Rhopressa | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$211 across 8 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 (2)
- 1740 W Taylor StChicago, IL 60612-7232Phone: (866) 600-2273
- 1855 W Taylor StChicago, IL 60612-7242Phone: (312) 996-7774Fax: (312) 996-7770
Registry dates
- Enumerated
- 2020-04-08
- Last updated
- 2025-01-16
- Certified
- 2025-01-16
Frequently asked questions
- What is Johnathan Jeffers's NPI number?
- Johnathan Jeffers's National Provider Identifier (NPI) is 1841829009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnathan Jeffers's specialty?
- Johnathan Jeffers is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Johnathan Jeffers located?
- Johnathan Jeffers's practice location on file with NPPES is 2430 S Ih 35 Ste 106, San Marcos, TX 78666-5912.
- What is Johnathan Jeffers's phone number?
- The practice phone number listed in the NPPES registry for Johnathan Jeffers is (512) 353-1300.
- Does Johnathan Jeffers accept Medicare?
- Johnathan Jeffers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnathan Jeffers's NPI active?
- Yes — Johnathan Jeffers's NPI (1841829009) is active in the NPPES registry as of the last update on 2025-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.