NPPES file of Aug 9, 2026

Barbra A. Horn, M.D.

Hematology & Oncology Physician · Saint Louis, MO

Barbra A. Horn, M.D. is a hematology & oncology physician with a practice address in Saint Louis, Missouri, and NPI 1295738961, issued on May 24, 2005. Check the license (Missouri R3E10, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1295738961
Name
Barbra A. Horn
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
R3E10 MO
36086251 IL
Self-reported in NPPES; status is on the state search
Practice location
4921 Parkview PL, Saint Louis, MO 63110
Phone
(314) 454-5580
Enumerated
May 24, 2005
Record last updated
Nov 23, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(314) 454-5583
Medicaid ID
202472338 MO
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 237 in Missouri → Look up another NPI →

Also registered at 4921 Parkview PL

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

  1. Mohammed Abbasi, MDPulmonary Disease Physician1497097083
  2. Helen Adams, AGNPGerontology Nurse Practitioner1730836776
  3. Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
  4. Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
  5. Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
  6. Homaa Ahmad, MDCardiovascular Disease Physician1477635092

Verify Barbra A. Horn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R3E10    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 Missouri license search

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Barbra A. Horn among 237 hematology & oncology physician records in Missouri

Barbra A. Horn, M.D. is one of 237 hematology & oncology physician records with a practice address in Missouri. 86% 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, 89% newer
  • In a Medicare fileNo · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2015 · 50% 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 Missouri 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 Missouri

There are 237 hematology & oncology physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 237 in Missouri → Every provider in Saint Louis → Hematology & Oncology Physician nationwide →

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

  1. Mark Fesler, MDSaint Louis, MO 631101235204066
  2. Thomas Fong, M.D.Saint Louis, MO 631101790812642
  3. Sagun Goyal, M.D.St Louis, MO 631101316032741
  4. Bassel Jallad, MBBSSaint Louis, MO 631101124282306
  5. Gerald Linette, MDSaint Louis, MO 631101114943420
  6. Mudresh Mehta, MDSaint Louis, MO 631101982932083
  7. Steven Pincus, MDSaint Louis, MO 631101063420933
  8. Hans Reimers, MDSaint Louis, MO 631101770591653

Common questions

What is Barbra A. Horn, M.D.'s NPI number?

Barbra A. Horn, M.D.'s National Provider Identifier (NPI) is 1295738961, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Barbra A. Horn, M.D. located?

The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 454-5580. Providers update this record themselves, so call before visiting.

How can I verify Barbra A. Horn, M.D.'s license?

NPPES lists Missouri license number R3E10, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. 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.