Mark Douglas, M.D.
NPI 1679576516 · Ophthalmology Physician · Mobile, AL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Douglas, M.D. is a Ophthalmology Physician provider in Mobile, AL (NPI 1679576516).
Provider details
- NPI number
- 1679576516
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00020396 (AL)
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
21 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
5,608 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 | 2,713 | $35 |
| Injection of Drug Into Eye67028 | 1,238 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 745 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 727 | $81 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $148 |
| Exam of Visual Field With Extended Testing92083 | 43 | $52 |
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 | 126 | 69 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 87 | 61 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 62 | 58 |
| Difluprednate | 36 | 19 |
| Atropine Sulfate | 24 | — |
| Ketorolac Tromethamine | 22 | — |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$788 across 23 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
- 2005-05-24
- Last updated
- 2007-11-19
Frequently asked questions
- What is Mark Douglas's NPI number?
- Mark Douglas's National Provider Identifier (NPI) is 1679576516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Douglas's specialty?
- Mark Douglas is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Douglas located?
- Mark Douglas's practice location on file with NPPES is 2880 Dauphin St, Mobile, AL 36606-2457.
- What is Mark Douglas's phone number?
- The practice phone number listed in the NPPES registry for Mark Douglas is (251) 473-1900.
- Does Mark Douglas accept Medicare?
- Mark Douglas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Douglas's NPI active?
- Yes — Mark Douglas's NPI (1679576516) is active in the NPPES registry as of the last update on 2007-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.