Jacob Clark, MD
NPI 1164464806 · Ophthalmology Physician · Alexandria, VA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Clark, MD is a Ophthalmology Physician provider in Alexandria, VA (NPI 1164464806).
Provider details
- NPI number
- 1164464806
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101041044 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,254 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 614 | $147 |
| Established Patient Problem Focused Exam of Visual System92012 | 290 | $104 |
| Exam of Visual Field With Extended Testing92083 | 190 | $75 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 77 | $192 |
| Exam of the Internal Drainage System of Eye92020 | 59 | $32 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 12 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 122 | 35 |
| Timolol Maleate | 87 | 26 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 48 | 36 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 46 | 12 |
| Brimonidine Tartrate | 29 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 25 | — |
| Dorzolamide Hcl | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2026-03-21
- Certified
- 2026-03-21
Frequently asked questions
- What is Jacob Clark's NPI number?
- Jacob Clark's National Provider Identifier (NPI) is 1164464806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Clark's specialty?
- Jacob Clark is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Clark located?
- Jacob Clark's practice location on file with NPPES is 411 N Washington St, Alexandria, VA 22314-2311.
- What is Jacob Clark's phone number?
- The practice phone number listed in the NPPES registry for Jacob Clark is (703) 548-5588.
- Does Jacob Clark accept Medicare?
- Jacob Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Clark's NPI active?
- Yes — Jacob Clark's NPI (1164464806) is active in the NPPES registry as of the last update on 2026-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.