Jacob Cox, MD, MPHIL
NPI 1811387061 · Retina Specialist (Ophthalmology) Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Cox, MD, MPHIL is a Retina Specialist (Ophthalmology) Physician provider in Knoxville, TN (NPI 1811387061).
Provider details
- NPI number
- 1811387061
- Entity type
- Individual
- Primary specialty
- Retina Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPHIL
- Sex
- Male
- Sole proprietor
- Yes
- License
- 71361 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
11 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
486 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 | 197 | $37 |
| New Patient Complete Exam of Visual System92004 | 76 | $137 |
| Injection of Drug Into Eye67028 | 57 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $83 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 32 | $153 |
| Injection of Drug Into Eye67028 | 18 | $97 |
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 |
|---|---|---|
| Prednisolone Acetate | 87 | 60 |
| Latanoprost | 35 | — |
| Atropine Sulfate | 33 | 33 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 31 | 25 |
| Ciprofloxacin Hcl | 29 | 28 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 27 | 20 |
| Timolol Maleate | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,327 across 6 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
- 2015-01-27
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Jacob Cox's NPI number?
- Jacob Cox's National Provider Identifier (NPI) is 1811387061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Cox's specialty?
- Jacob Cox is listed in the NPPES registry with a primary specialty of Retina Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Cox located?
- Jacob Cox's practice location on file with NPPES is 1342 Old Weisgarber Rd, Knoxville, TN 37909-1291.
- What is Jacob Cox's phone number?
- The practice phone number listed in the NPPES registry for Jacob Cox is (865) 588-0811.
- Does Jacob Cox accept Medicare?
- Jacob Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Cox's NPI active?
- Yes — Jacob Cox's NPI (1811387061) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.