NPPES file of Aug 9, 2026

Douglas Earl Laux, MD

Hematology & Oncology Physician · Iowa City, IA

Douglas Earl Laux, MD is a hematology & oncology physician with a practice address in Iowa City, Iowa, and NPI 1295946218, issued on May 24, 2007. Check the license (Iowa MD-37888, as entered in NPPES) on the Iowa Board of Medicine; 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
1295946218
Name
Douglas Earl Laux
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD-37888 IA
2011021600 MO
57010749 OH
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-2148
Enumerated
May 24, 2007
Record last updated
Oct 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(319) 356-8383
Medicare enrollment
Enrolled (PECOS I20100817000336); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2005
Telehealth
Offers telehealth (CMS)
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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Also registered at 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Douglas Earl Laux in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-37888
    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 Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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50% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,314 Medicare Part D claims for 178 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 102 claims were for opioids.

  1. Douglas Laux1,314
  2. Specialty average877

Most prescribed

  1. Levothyroxine Sodium283 claims
  2. Duloxetine Hcl96 claims
  3. Gabapentin78 claims
  4. Ondansetron Hcl69 claims
  5. Lenvima60 claims
  6. Prochlorperazine Maleate54 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.

Bills Medicare through one group practice

  1. State University OF IowaIowa City, IA

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

Douglas Earl Laux among 90 hematology & oncology physician records in Iowa

Douglas Earl Laux, MD is one of 90 hematology & oncology physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 37% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2005 · median 2003 among the 55 with a school on file
  • Record last updated2014 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Iowa

There are 90 hematology & oncology physician records in Iowa.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Daniel Berg, MDIowa City, IA 522421841289790
  2. Thomas Carlisle, MD PHDIowa City, IA 522421134116288
  3. Thomas Carter, MD PHDIowa City, IA 522421093703951
  4. Yuya Hagiwara, MDIowa City, IA 522421083811087
  5. Katarzyna Jamieson, MDIowa City, IA 522421376582205
  6. Mark Karwal, MDIowa City, IA 522421891770616
  7. Brian Link, MDIowa City, IA 522421487635793
  8. Laurel Lyckholm, M.D.Iowa City, IA 522421164512711

Common questions

What is Douglas Earl Laux, MD's NPI number?

Douglas Earl Laux, MD's National Provider Identifier (NPI) is 1295946218, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Earl Laux, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2148. Providers update this record themselves, so call before visiting.

How can I verify Douglas Earl Laux, MD's license?

NPPES lists Iowa license number MD-37888, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Douglas Earl Laux, MD prescribe under Medicare Part D?

In 2024, Douglas Earl Laux, MD had 1,314 Medicare Part D claims for 178 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

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.