NPPES file of Aug 9, 2026

Alan Carlson, M.D.

Hematology (Internal Medicine) Physician · Durham, NC

Alan Carlson, M.D. is a hematology (internal medicine) physician with a practice address in Durham, North Carolina, and NPI 1124181995, issued on Dec 19, 2006. Check the license (North Carolina 30893, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124181995
Name
Alan Carlson
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
30893 NC
Self-reported in NPPES; status is on the state search
Practice location
2100 Erwin RD, Durham, NC 27710
Phone
(919) 620-4467
Enumerated
Dec 19, 2006
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20100518000169); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology (internal medicine) physician records → All 72 in North Carolina → Look up another NPI →

Also registered at 2100 Erwin RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deanna Adkins, M.D.Pediatrics Physician1942359955
  2. Nicolas Aeschlimann, M.D.Anesthesiology Physician1003063116
  3. Mary AffrontiNurse Practitioner1437318300
  4. Sana Alkhatib, M.D.Cardiovascular Disease Physician1336223247
  5. Diane AllenSurgery Physician1184708885
  6. James Alspaugh, M.D.Infectious Disease Physician1851440861

Verify Alan Carlson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 30893    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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19% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024

592 Medicare Part D claims for 252 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Alan Carlson592
  2. Specialty average496

Most prescribed

  1. Azithromycin162 claims
  2. Prednisolone Acetate156 claims
  3. Loteprednol Etabonate55 claims
  4. Fluorometholone49 claims
  5. Valacyclovir38 claims
  6. Erythromycin20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $677.85

10 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Carlson$678
  2. Specialty average$13,778

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Duke Health Integrated Practice IncDurham, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alan Carlson among 72 hematology (internal medicine) physician records in North Carolina

Alan Carlson, M.D. is one of 72 hematology (internal medicine) physician records with a practice address in North Carolina. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 68% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1981 · median 2004 among the 59 with a school on file
  • Record last updated2025 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in North Carolina

There are 72 hematology (internal medicine) physician records in North Carolina.

All 72 in North Carolina → Every provider in Durham → Hematology (Internal Medicine) Physician nationwide →

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Gowthami Arepally, MDDurham, NC 277101447349907
  2. Edward Buckley, M.D.Durham, NC 277101770646549
  3. Kate JacobsDurham, NC 277101528562154
  4. Oluwatoyosi Onwuemene, M.D.Durham, NC 277101770759854
  5. Thomas Ortel, M.D.Durham, NC 277101003990995
  6. Charity Oyedeji, MDDurham, NC 277101902149149
  7. Andrew Peseski, D.O.Durham, NC 277101376073478
  8. Lindsay Rein, M.D.Durham, NC 277101457526659

Common questions

What is Alan Carlson, M.D.'s NPI number?

Alan Carlson, M.D.'s National Provider Identifier (NPI) is 1124181995, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan Carlson, M.D. located?

The NPPES record lists a practice address at 2100 Erwin RD, Durham, NC, 27710. Phone: (919) 620-4467. Providers update this record themselves, so call before visiting.

How can I verify Alan Carlson, M.D.'s license?

NPPES lists North Carolina license number 30893, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alan Carlson, M.D. prescribe under Medicare Part D?

In 2024, Alan Carlson, M.D. had 592 Medicare Part D claims for 252 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.