Alan Carlson, M.D.
NPI 1124181995 · Hematology (Internal Medicine) Physician · Durham, NC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Carlson, M.D. is a Hematology (Internal Medicine) Physician provider in Durham, NC (NPI 1124181995).
Provider details
- NPI number
- 1124181995
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 30893 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
568 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 Problem Focused Exam of Visual System92012 | 269 | $82 |
| Established Patient Complete Exam of Visual System92014 | 142 | $117 |
| New Patient Problem Focused Exam of Visual System92002 | 40 | $79 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 33 | $332 |
| New Patient Complete Exam of Visual System92004 | 27 | $139 |
| Photography of Content of Eyes92285 | 25 | $21 |
| Imaging of Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 162 | 103 |
| Prednisolone Acetate | 156 | 104 |
| Loteprednol Etabonate | 55 | 37 |
| Fluorometholone | 49 | 25 |
| Valacyclovir Hclbrand: Valacyclovir | 38 | — |
| Erythromycin Basebrand: Erythromycin | 20 | 12 |
| Cyclosporinebrand: Restasis | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$678 across 10 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
- 2006-12-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Alan Carlson's NPI number?
- Alan Carlson's National Provider Identifier (NPI) is 1124181995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Carlson's specialty?
- Alan Carlson is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Carlson located?
- Alan Carlson's practice location on file with NPPES is 2100 Erwin Rd, Durham, NC 27710-0001.
- What is Alan Carlson's phone number?
- The practice phone number listed in the NPPES registry for Alan Carlson is (919) 620-4467.
- Does Alan Carlson accept Medicare?
- Alan Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Carlson's NPI active?
- Yes — Alan Carlson's NPI (1124181995) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.