Dr. Barbra A. Horn, MD

  • Chesterfield, MO
  • Hematologist and oncologist
NPI1295738961
Medicare services, 2017
343
Part D claims, 2017
94
Industry payments
$1,770
Affiliated sites
1
Medical group
1
Practice address
4921 Parkview Pl, Saint Louis, MO 63110-1032
Practice phone
Call (314) 454-5580
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Specialists In Oncology & Hematology

Medical specialty practice · Saint Louis, Missouri

See all 2 affiliations

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Dr. Barbra A. Horn is a hematologist and oncologist in Chesterfield, Missouri

Dr. Horn practices at Specialists In Oncology & Hematology in Saint Louis, Missouri.

Dr. Horn's NPI, 1295738961, was assigned on May 24, 2005. Dr. Horn graduated from WashU Medicine in 1982. Dr. Horn holds Missouri license R3E10.

NPI and contact details
NPI enumeration date
May 24, 2005
NPI status
Active
Practice phone
(314) 454-5580
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
1982

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Barbra A. Horn practices in Saint Louis and Chesterfield

Dr. Horn's primary practice is Specialists in Oncology & Hematology, at 4921 Parkview Pl, Saint Louis, MO 63110-1032. The practice phone is (314) 454-5580. The NPI Registry lists Dr. Horn's practice address as 232 S Woods Mill Rd, Chesterfield, MO 63017.

  • Specialists in Oncology & HematologyPrimary
    4921 Parkview Pl, Saint Louis, MO 63110-1032Phone(314) 454-5580
  • NPI Registry address
    232 S Woods Mill Rd, Chesterfield, MO 63017 · Saint Louis CountyPhone(314) 454-5580

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Barbra A. Horn is affiliated with 1 site of care and 1 medical group

Dr. Horn's primary practice is Specialists In Oncology & Hematology in Saint Louis, Missouri. Dmand AI also links Dr. Horn to 1 medical group, named with a free account.

Specialists In Oncology & HematologyMedical specialty practice · Saint Louis, MissouriPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Horn

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Barbra A. Horn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horn practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Specialists In Oncology & HematologyAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Barbra A. Horn is one of 187 hematologists and oncologists in Missouri

Hematology and oncology is Dr. Horn's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Horn is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Horn's licenses on file in 2 states: Missouri and Illinois.

Specialties and state licenses

  • Hematology and oncology, MissouriPrimaryLicense R3E10 · 1984 to 2026 · taxonomy 207RH0003X
  • Illinois licenseLicense 36086251 · 1993 to 2017

Hematologists and oncologists near Dr. Horn

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

187hematologists and oncologists in Missouri
7hematologists and oncologists in Chesterfield

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Barbra A. Horn billed Medicare for 343 services in 2017

CMS data shows 343 Medicare services from Dr. Horn across 4 procedure codes in 2017. Medicare paid $11,386 for them. Every service was in an office.

Medicare services, 2017343
Paid by Medicare$11,386
Procedure codes4

Dr. Horn's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Lab and pathology
2016: 5792017: 20964%
Office and hospital visits
2016: 3692017: 13464%
Drugs given in the office
2016: 1482017: 0100%

Dr. Horn compared with the Missouri median for hematologists and oncologists, 2017

  • Dr. Horn
  • Missouri median
Medicare services
343vs 73053% below
Part D claims
94vs 55183% below

Medians across 185 hematologists and oncologists in Missouri with Dmand AI profiles that report each measure.

Dr. Horn's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horn and other hematologists and oncologists in Missouri.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Barbra A. Horn wrote 94 Medicare Part D claims in 2017

In 2017, Dr. Horn wrote 94 Medicare Part D claims. They cover 7 drugs, with $5,234 in total drug cost. In 2016, CMS named 199 claims across 10 drugs.

Part D claims, 201794
Drugs named by CMS7
Total drug cost$5,234

Dr. Horn's most prescribed drugs by claims, 2017

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 1992017: 9453%

Drugs named by CMS: 7 in 2017, 10 in 2016.

See all prescribing by Dr. Horn

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Barbra A. Horn received $1,770 in industry payments from 2016 to 2017

CMS Open Payments shows 47 general payments to Dr. Horn from 21 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 60% of the total. Alexion Pharmaceuticals, Inc. paid the most, $728.

General payments to Dr. Horn by program year, 2016 to 2017

General payments to Dr. Horn by kind, 2016 to 2017

$1.8Kin total
  • Food and beverage$1,06060%
  • Consulting fees$60034%
  • Education$1006%
  • Travel and lodging$101%

Companies that paid Dr. Horn the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Horn

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Barbra A. Horn has 1 award and honors on record

Dmand AI lists 1 award for Dr. Horn, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Horn

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Barbra A. Horn graduated from WashU Medicine

Dr. Horn graduated from WashU Medicine in 1982. Dr. Horn is a member of AOA and ASCO.

  1. Medical schoolWashU Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Barbra A. Horn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Barbra A. Horn

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Barbra A. Horn's NPI number?

Dr. Barbra A. Horn's NPI number is 1295738961. It was assigned on May 24, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Barbra A. Horn?

Dr. Barbra A. Horn is a hematologist and oncologist in Chesterfield, Missouri. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Barbra A. Horn practice?

Dr. Horn practices at 4921 Parkview Pl, Saint Louis, MO 63110-1032. Dr. Horn also practices at 232 S Woods Mill Rd, Chesterfield, MO 63017. Dr. Horn's primary practice is Specialists In Oncology & Hematology in Saint Louis, Missouri. Dmand AI also links Dr. Horn to 1 medical group.

What is Dr. Barbra A. Horn's office phone number?

The practice phone on file for Dr. Horn is (314) 454-5580.

What is Dr. Barbra A. Horn's medical license number?

Dr. Horn holds Missouri license R3E10, one of the licenses on file in 2 states.

Which states has Dr. Barbra A. Horn been licensed in?

Dmand AI has state licenses on file for Dr. Horn in Missouri (1984 to 2026) and Illinois (1993 to 2017).

Does Dr. Barbra A. Horn accept Medicare?

Yes. CMS data shows Dr. Horn billed Medicare for 343 services in 2017.

Is Dr. Barbra A. Horn board certified?

Yes. Dr. Horn is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Barbra A. Horn bill to Medicare?

In 2017, Dr. Horn's most billed Medicare services were lab and pathology test (85025), office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Barbra A. Horn go to medical school?

Dr. Horn graduated from WashU Medicine in 1982.

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What drugs does Dr. Barbra A. Horn prescribe most?

In 2017 Medicare Part D data, Dr. Horn's most prescribed drugs by claims were Anastrozole, Valacyclovir and Gabapentin.

Has Dr. Barbra A. Horn received payments from drug or device companies?

CMS Open Payments shows $1,770 in general payments to Dr. Horn from 21 companies from 2016 to 2017. The largest total came from Alexion Pharmaceuticals, Inc.

How long has Dr. Barbra A. Horn been practicing?

Dr. Horn graduated from medical school in 1982, 44 years ago.

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