Dr. Maureen R. Horton, MD

  • Columbia, MD
  • Pulmonologist
NPI1861446189
Medicare services, 2022
51
Part D claims, 2022
33
Publications
102
Clinical trials
3
Hospital affiliations
1
Practice address
5755 Cedar Lane, Columbia, MD 21044
Practice phone
Call (410) 740-7890
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Johns Hopkins Howard County Medical Center

Hospital · Columbia, Maryland

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Dr. Maureen R. Horton is a pulmonologist in Columbia, Maryland

Dr. Horton practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System.

Dr. Horton's NPI, 1861446189, was assigned on May 20, 2006. Dr. Horton graduated from The Johns Hopkins University School of Medicine in 1992. Dr. Horton holds California license C176693.

NPI and contact details
NPI enumeration date
May 20, 2006
NPI status
Active
Practice phone
(410) 740-7890
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
60
Medical school graduation
1992

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

Dr. Maureen R. Horton practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland

Dr. Horton's primary practice is Johns Hopkins Howard County Medical Center, at 5755 Cedar Lane, Columbia, MD 21044 in Howard County. The practice phone is (410) 740-7890.

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

Dr. Maureen R. Horton is affiliated with 1 site of care and 1 medical group

Dr. Horton's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System. The medical group on file is Johns Hopkins University.

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

Dmand AI tracks the EHR system at Dr. Maureen R. Horton's practice

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

EHR by site
SiteEHR vendor and product
Johns Hopkins Howard County Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Johns Hopkins Health System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Maureen R. Horton is one of 281 pulmonologists in Maryland

Pulmonary disease is Dr. Horton's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Horton is board certified in critical care medicine by the National Board of Physicians and Surgeons. Dmand AI has Dr. Horton's licenses on file in 2 states: California and Maryland.

Specialties and state licenses

  • Pulmonary disease, CaliforniaPrimaryLicense C176693 · 2022 to 2026 · taxonomy 207RP1001X
  • Internal medicine, MarylandLicense D47950 · 1995 to 2022 · taxonomy 207R00000X

Pulmonologists near Dr. Horton

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

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

Dr. Maureen R. Horton billed Medicare for 51 services in 2022

CMS data shows 51 Medicare services from Dr. Horton across 1 procedure code in 2022, all of them office visits. Medicare paid $6,257 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202251
Paid by Medicare$6,257
Procedure codes1

Dr. Horton's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 3382022: 5185%

Dr. Horton compared with the Maryland median for pulmonologists, 2022

  • Dr. Horton
  • Maryland median
Medicare services
51vs 59291% below
Part D claims
33vs 33490% below

Medians across 264 pulmonologists in Maryland with Dmand AI profiles that report each measure.

Dr. Horton's most billed Medicare procedure codes, 2022

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

See all procedures by Dr. Horton

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

Dr. Maureen R. Horton's patients have a median age of 83

Across all payers, Dmand AI patient panel data puts Dr. Horton's median patient age at 83, with 0% women.

Dr. Horton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 83

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Maureen R. Horton wrote 33 Medicare Part D claims in 2022

In 2022, Dr. Horton wrote 33 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $255 in total drug cost. In 2021, CMS named 23 claims across 1 drug.

Part D claims, 202233
Drugs named by CMS2
Total drug cost$255

Dr. Horton's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 232022: 3343%

Drugs named by CMS: 2 in 2022, 1 in 2021.

See all prescribing by Dr. Horton

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

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Dr. Maureen R. Horton has 102 publications on record

Dmand AI links 102 papers to Dr. Horton, published from 2005 to 2024. 2014 was the busiest year, with 8. The most frequent topics are Mice, Inbred C57BL, Mice, Knockout and Cells, Cultured. Dr. Horton has published most often in J Immunol. Dr. Horton's most frequent co-authors are Robert William Hallowell, MD, Sonye Karen Danoff, MD and Alexander Tell Hillel, MD.

Papers102
Years published2005 to 2024

Dr. Horton's papers by year, 2013 to 2024

Topics Dr. Horton writes about most

  • Mice, Inbred C57BL
  • Mice, Knockout
  • Cells, Cultured
  • Macrophages
  • Hyaluronic Acid
  • Signal Transduction
  • Gene Expression Regulation
  • Lung

Dr. Horton's most frequent co-authors

Recent publications by Dr. Horton

See all 102 publications and co-authors

See who Dr. Horton researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Horton works with, so you can find a warm path to the right pulmonologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Maureen R. Horton has worked on 3 clinical trials

Dmand AI links Dr. Horton to 3 clinical trials, 2 of them phase 3 studies. Conditions studied include Idiopathic Pulmonary Fibrosis, Cough and COVID-19. Johns Hopkins University sponsors the most, 2.

Clinical trials with Dr. Horton by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 2Phase 3: 2 trials
  4. NonePhase 4: no trials

Conditions in Dr. Horton's trials

  • Idiopathic Pulmonary Fibrosis
  • Cough
  • COVID-19
  • Pneumonia, Viral
  • Pulmonary Fibrosis

Recent clinical trials with Dr. Horton

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Maureen R. Horton received $17,225 in industry payments from 2018 to 2022

CMS Open Payments shows 10 general payments to Dr. Horton from 4 drug and device companies from 2018 to 2022. Consulting fees make up the largest share, 99% of the total. Boehringer Ingelheim USA, Inc. paid the most, $12,200.

General payments to Dr. Horton by program year, 2018 to 2022

General payments to Dr. Horton by kind, 2018 to 2022

$17.2Kin total
  • Consulting fees$17,07599%
  • Food and beverage$1501%

Companies that paid Dr. Horton the most, 2018 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Horton

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

Dr. Maureen R. Horton has 1 award and honors on record

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

Awards and honors for Dr. Horton

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Maureen R. Horton graduated from The Johns Hopkins University School of Medicine

Dr. Horton graduated from The Johns Hopkins University School of Medicine in 1992.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in critical care medicineNational Board of Physicians and Surgeons
  3. Board certified in internal medicineNational Board of Physicians and Surgeons
  4. Board certified in pulmonary diseaseNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Maureen R. Horton accepts plans from 1 insurance carrier

Dr. Horton is in network with 1 carrier, including DE State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • DE State Medicaid

Source: Dmand AI Insurance Network Data

Sources for Dr. Maureen R. Horton'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 phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
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
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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
Insurance carriers and plan typesDmand AI Insurance Network 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. Maureen R. Horton

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. Maureen R. Horton's NPI number?

Dr. Maureen R. Horton's NPI number is 1861446189. It was assigned on May 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Maureen R. Horton?

Dr. Maureen R. Horton is a pulmonologist in Columbia, Maryland. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Maureen R. Horton practice?

Dr. Horton practices at 5755 Cedar Lane, Columbia, MD 21044. Dr. Horton's primary practice is Johns Hopkins Howard County Medical Center in Columbia, Maryland, part of Johns Hopkins Health System.

What is Dr. Maureen R. Horton's office phone number?

The practice phone on file for Dr. Horton is (410) 740-7890.

What is Dr. Maureen R. Horton's medical license number?

Dr. Horton holds California license C176693, one of the licenses on file in 2 states.

Which states has Dr. Maureen R. Horton been licensed in?

Dmand AI has state licenses on file for Dr. Horton in California (2022 to 2026) and Maryland (1995 to 2022).

Which hospitals is Dr. Maureen R. Horton affiliated with?

Dr. Horton practices at Johns Hopkins Howard County Medical Center in Columbia, Maryland.

What medical group is Dr. Maureen R. Horton part of?

Dr. Horton is linked to Johns Hopkins University.

Does Dr. Maureen R. Horton accept Medicare?

Yes. CMS data shows Dr. Horton billed Medicare for 51 services in 2022.

Is Dr. Maureen R. Horton board certified?

Yes. Dr. Horton is board certified in critical care medicine by the National Board of Physicians and Surgeons.

Show 8 more questionsShow fewer questions

What services does Dr. Maureen R. Horton bill to Medicare?

In 2022, Dr. Horton's most billed Medicare services were office visit, established patient (99215).

Where did Dr. Maureen R. Horton go to medical school?

Dr. Horton graduated from The Johns Hopkins University School of Medicine in 1992.

What drugs does Dr. Maureen R. Horton prescribe most?

In 2022 Medicare Part D data, Dr. Horton's most prescribed drugs by claims were Prednisone and Gabapentin.

Has Dr. Maureen R. Horton received payments from drug or device companies?

CMS Open Payments shows $17,225 in general payments to Dr. Horton from 4 companies from 2018 to 2022. The largest total came from Boehringer Ingelheim USA, Inc.

How long has Dr. Maureen R. Horton been practicing?

Dr. Horton graduated from medical school in 1992, 34 years ago.

Does Dr. Maureen R. Horton do research?

Dmand AI links 102 publications to Dr. Horton, published from 2005 to 2024. Dr. Horton has worked on 3 clinical trials.

Who does Dr. Maureen R. Horton publish with?

Dr. Horton's most frequent co-authors are Robert William Hallowell, MD (11 shared papers), Sonye Karen Danoff, MD (6 shared papers) and Alexander Tell Hillel, MD (5 shared papers).

What insurance does Dr. Maureen R. Horton accept?

Dr. Horton is in network with 1 carrier, including DE State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.

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