NPPES file of Aug 9, 2026

Larry A. Otteman, MD

Hematology & Oncology Physician · Ames, IA

Larry A. Otteman, MD is a hematology & oncology physician with a practice address in Ames, Iowa, and NPI 1528059078, issued on Nov 3, 2005. Check the license (Iowa 24794, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1528059078
Name
Larry A. Otteman
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
24794 IA
Self-reported in NPPES; status is on the state search
Practice location
1111 Duff Ave, Ames, IA 50010
Phone
(515) 239-4401
Enumerated
Nov 3, 2005
Record last updated
Aug 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(515) 239-4791
Medicaid ID
0031609 IA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 90 in Iowa → Look up another NPI →

Also registered at 1111 Duff Ave

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

  1. Ibrahim AlakhrasHospitalist Physician1942861505
  2. Patrick Allaire, MDAnesthesiology Physician1811983695
  3. Nadejda BakliziHospitalist Physician1346972536
  4. William Barry, MDHospitalist Physician1558358440
  5. Kaitlyn Baumgardner, ARNPNurse Practitioner1952928236
  6. Laura Bloomenrader, APRNFamily Medicine Physician1306767272

Verify Larry A. Otteman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 24794    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

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Larry A. Otteman among 90 hematology & oncology physician records in Iowa

Larry A. Otteman, 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 not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 81% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 90 in Iowa → Every provider in Ames → Hematology & Oncology Physician nationwide →

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

  1. Austin Greco, M.D.Ames, IA 500101033645486
  2. Mark Guffy, M.D.Ames, IA 500101982693289
  3. Sreenath Kodali, MDAmes, IA 500101376823567
  4. Joseph Merchant, M.D.Ames, IA 500101699765826
  5. Sonam Patel, M.D.Ames, IA 500101306230230
  6. Venkatesh Rudrapatna, M.D.Ames, IA 500101104012996
  7. Debra Prow, M.D.Gilbert, IA 501051992736771
  8. Kartik Anand, MDWest Des Moines, IA 502661164863841

Common questions

What is Larry A. Otteman, MD's NPI number?

Larry A. Otteman, MD's National Provider Identifier (NPI) is 1528059078, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Larry A. Otteman, MD located?

The NPPES record lists a practice address at 1111 Duff Ave, Ames, IA, 50010. Phone: (515) 239-4401. Providers update this record themselves, so call before visiting.

How can I verify Larry A. Otteman, MD's license?

NPPES lists Iowa license number 24794, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.