Mark Hendrix, M.D.
NPI 1043219124 · Ophthalmology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hendrix, M.D. is a Ophthalmology Physician provider in Rockville, MD (NPI 1043219124).
Provider details
- NPI number
- 1043219124
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D46085 (MD)
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
6,044 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 | 1,415 | $132 |
| Established Patient Problem Focused Exam of Visual System92012 | 969 | $93 |
| Exam of Visual Field With Extended Testing92083 | 884 | $67 |
| Imaging of Optic Nerve92133 | 753 | $35 |
| Exam of the Internal Drainage System of Eye92020 | 680 | $28 |
| Imaging of Retina92134 | 432 | $41 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing |
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 | 416 | 113 |
| Cyclosporinebrand: Restasis | 134 | 51 |
| Timolol Maleate | 87 | 20 |
| Bimatoprostbrand: Lumigan | 75 | 16 |
| Brimonidine Tartrate | 67 | 20 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 62 | 25 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 48 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (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
- 2005-07-20
- Last updated
- 2024-03-07
- Certified
- 2024-03-07
Frequently asked questions
- What is Mark Hendrix's NPI number?
- Mark Hendrix's National Provider Identifier (NPI) is 1043219124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hendrix's specialty?
- Mark Hendrix is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hendrix located?
- Mark Hendrix's practice location on file with NPPES is 3204 Tower Oaks Blvd, Rockville, MD 20852-4250.
- What is Mark Hendrix's phone number?
- The practice phone number listed in the NPPES registry for Mark Hendrix is (301) 231-5088.
- Does Mark Hendrix accept Medicare?
- Mark Hendrix is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hendrix's NPI active?
- Yes — Mark Hendrix's NPI (1043219124) is active in the NPPES registry as of the last update on 2024-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.