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Dr. James A. Barker, MD
NPI1750358719
- Medicare services, 2019
- 96
- Part D claims, 2024
- 39
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $456
- Practice address
- 504 Medical Center Blvd, Conroe, TX 77304
- Practice phone
- Call (936) 539-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. James A. Barker is a pulmonologist in Conroe, Texas
Dr. Barker practices at HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare.
Dr. Barker's NPI, 1750358719, was assigned on March 8, 2006. Dr. Barker graduated from University of Kansas School of Med (KC/Wich/Sal) in 1980. Dr. Barker holds Texas license J6869.
NPI and contact details
- NPI
- 1750358719NPI Registry (opens in a new tab)
- NPI enumeration date
- March 8, 2006
- NPI status
- Active
- Practice phone
- (936) 539-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James A. Barker practices at HCA Houston Healthcare Conroe in Conroe, Texas
Dr. Barker's primary practice is HCA Houston Healthcare Conroe, at 504 Medical Center Blvd, Conroe, TX 77304 in Montgomery County. The practice phone is (936) 539-1111.
- HCA Houston Healthcare Conroe504 Medical Center Blvd, Conroe, TX 77304 · Montgomery CountyPhone(936) 539-1111
Source: Dmand AI Affiliation Data
Dr. James A. Barker is affiliated with 2 sites of care and 2 medical groups
Dr. Barker's primary practice is HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare. The medical group on file is University Medicine Associates. Dmand AI also links Dr. Barker to 1 more group practice or clinic and 1 medical group, each named with a free account.
University Medicine Associates1 group practice or clinicName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. BarkerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James A. Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Houston Healthcare Conroe | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James A. Barker is one of 900 pulmonologists in Texas
Pulmonary disease is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Barker is licensed in Texas.
Specialties and state licenses
- Pulmonary disease, TexasPrimary
Pulmonologists near Dr. Barker
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
900pulmonologists in Texas
3pulmonologists in Conroe
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James A. Barker billed Medicare for 96 services in 2019
CMS data shows 96 Medicare services from Dr. Barker across 4 procedure codes in 2019. Medicare paid $7,895 for them.
Medicare services, 201996
Paid by Medicare$7,895
Procedure codes4
Dr. Barker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 612019: 7421%
- Office and hospital visits
- 2018: 2912019: 2292%
Where Dr. Barker's Medicare services took place, 2019
- In an office2223%
- In a facility7477%
Dr. Barker compared with the Texas median for pulmonologists, 2019
- Dr. Barker
- Texas median
- Medicare services
- 96vs 90889% below
- Part D claims
- 62vs 51588% below
Medians across 862 pulmonologists in Texas with Dmand AI profiles that report each measure.
Dr. Barker's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Barker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barker and other pulmonologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James A. Barker's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Barker's median patient age at 65, with 52% women.
Dr. Barker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. James A. Barker wrote 39 Medicare Part D claims in 2024
In 2024, Dr. Barker wrote 39 Medicare Part D claims for 11 patients. 64% of them were for generic drugs. They cover 4 drugs, with $28,905 in total drug cost. In 2022, CMS named 31 claims across 2 drugs.
Part D claims, 202439
Drugs named by CMS4
Total drug cost$28,905
Part D patients11
Dr. Barker's Part D claims by kind of drug, 2024
- Generic25 claims64%
- Brand-name14 claims36%
Dr. Barker's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 312023: 62100%
Drugs named by CMS: 4 in 2023, 2 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. James A. Barker has 2 publications on record
Dmand AI links 2 papers to Dr. Barker. Dr. Barker's most frequent co-author is Daniel Hsu, MD.
Papers2
Dr. Barker's most frequent co-authors
Recent publications by Dr. Barker
AsthmaCritical PathwaysDisease Management
See who Dr. Barker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barker works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James A. Barker received $456 in industry payments from 2017 to 2023
CMS Open Payments shows 35 general payments to Dr. Barker from 9 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $299.
General payments to Dr. Barker by program year, 2017 to 2023
Companies that paid Dr. Barker the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James A. Barker graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Barker graduated from University of Kansas School of Med (KC/Wich/Sal) in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James A. Barker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James A. Barker
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. James A. Barker's NPI number?
Dr. James A. Barker's NPI number is 1750358719. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James A. Barker?
Dr. James A. Barker is a pulmonologist in Conroe, Texas. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. James A. Barker practice?
Dr. Barker practices at 504 Medical Center Blvd, Conroe, TX 77304. Dr. Barker's primary practice is HCA Houston Healthcare Conroe in Conroe, Texas, part of HCA Healthcare. Dmand AI also links Dr. Barker to 1 group practice or clinic and 1 medical group.
What is Dr. James A. Barker's office phone number?
The practice phone on file for Dr. Barker is (936) 539-1111.
What is Dr. James A. Barker's medical license number?
Dr. Barker holds Texas license J6869.
Which hospitals is Dr. James A. Barker affiliated with?
Dr. Barker practices at HCA Houston Healthcare Conroe in Conroe, Texas.
What medical group is Dr. James A. Barker part of?
Dr. Barker is linked to University Medicine Associates. Dmand AI links Dr. Barker to 1 more medical group.
Does Dr. James A. Barker accept Medicare?
Yes. CMS data shows Dr. Barker billed Medicare for 96 services in 2019.
What services does Dr. James A. Barker bill to Medicare?
In 2019, Dr. Barker's most billed Medicare services were nerve and brain test (95811), nerve and brain test (95810) and office visit, established patient (99214).
Where did Dr. James A. Barker go to medical school?
Dr. Barker graduated from University of Kansas School of Med (KC/Wich/Sal) in 1980.
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What drugs does Dr. James A. Barker prescribe most?
In 2023 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Trelegy Ellipta, Cefuroxime and Montelukast Sodium.
Has Dr. James A. Barker received payments from drug or device companies?
CMS Open Payments shows $456 in general payments to Dr. Barker from 9 companies from 2017 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. James A. Barker been practicing?
Dr. Barker graduated from medical school in 1980, 46 years ago.
Does Dr. James A. Barker do research?
Dmand AI links 2 publications to Dr. Barker.
Who does Dr. James A. Barker publish with?
Dr. Barker's most frequent co-authors are Daniel Hsu, MD (1 shared paper).
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