Respiratory Distress SyndromeRespiration DisordersHuman Mesenchymal Stromal CellsCell Reconstitution Media
Dr. John R. Holcomb, MD
NPI1811994916
- Medicare services, 2019
- 329
- Part D claims, 2024
- 14
- Publications
- 6
- Clinical trials
- 3
- Hospital affiliations
- 1
- Practice address
- 1905 Hwy 97 East, Jourdanton, TX 78026
- Practice phone
- Call (830) 769-3515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holcomb's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John R. Holcomb is a pulmonologist in Jourdanton, Texas
Dr. Holcomb practices at Methodist Hospital Atascosa in Jourdanton, Texas, part of HCA Healthcare.
Dr. Holcomb's NPI, 1811994916, was assigned on July 5, 2005. Dr. Holcomb graduated from UT Southwestern Medical Center in 1971. Dr. Holcomb's Texas license number on file is E4159.
NPI and contact details
- NPI
- 1811994916NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2005
- NPI status
- Active
- Practice phone
- (830) 769-3515
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John R. Holcomb practices at Methodist Hospital Atascosa in Jourdanton, Texas
Dr. Holcomb's primary practice is Methodist Hospital Atascosa, at 1905 Hwy 97 East, Jourdanton, TX 78026 in Atascosa County. The practice phone is (830) 769-3515.
- Methodist Hospital Atascosa1905 Hwy 97 East, Jourdanton, TX 78026 · Atascosa CountyPhone(830) 769-3515
Source: Dmand AI Affiliation Data
Dr. John R. Holcomb is affiliated with 1 site of care
Dr. Holcomb's primary practice is Methodist Hospital Atascosa in Jourdanton, Texas, part of HCA Healthcare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. Holcomb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holcomb practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital Atascosa | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Holcomb practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John R. Holcomb is one of 900 pulmonologists in Texas
Pulmonary disease is Dr. Holcomb's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Holcomb is board certified in internal medicine by the American Board of Internal Medicine. Dr. Holcomb has a license on file in Texas.
Specialties and state licenses
- Pulmonary disease, TexasPrimary
Pulmonologists near Dr. Holcomb
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. John R. Holcomb billed Medicare for 329 services in 2019
CMS data shows 329 Medicare services from Dr. Holcomb across 3 procedure codes in 2019. Medicare paid $13,822 for them.
Medicare services, 2019329
Paid by Medicare$13,822
Procedure codes3
Dr. Holcomb's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 6152019: 32947%
- Tests and treatments
- 2018: 192019: 0100%
Where Dr. Holcomb's Medicare services took place, 2019
- In an office11736%
- In a facility21264%
Dr. Holcomb compared with the Texas median for pulmonologists, 2019
- Dr. Holcomb
- Texas median
- Medicare services
- 329vs 90864% below
- Part D claims
- 12vs 51598% below
Medians across 862 pulmonologists in Texas with Dmand AI profiles that report each measure.
Dr. Holcomb'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. Holcomb?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holcomb and other pulmonologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Holcomb's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Holcomb's median patient age at 61, with 42% women.
Dr. Holcomb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. John R. Holcomb wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Holcomb wrote 14 Medicare Part D claims. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $256 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Part D claims, 202414
Drugs named by CMS1
Total drug cost$256
Dr. Holcomb's Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
Dr. Holcomb's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Holcomb's Part D claims, 2024
- Opioids86%12 of 14 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 132024: 128%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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
For MedTech and pharma teams
Find pulmonologists like Dr. Holcomb by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John R. Holcomb has 6 publications on record
Dmand AI links 6 papers to Dr. Holcomb in 2025. Dr. Holcomb's most frequent co-authors are Bruce M. Prenner, MD, Mandel R. Sher, MD and Gary C. Steven, MD.
Papers6
Dr. Holcomb's most frequent co-authors
- Bruce M. Prenner, MD2 shared papers
- Mandel R. Sher, MD2 shared papers
- Gary C. Steven, MD1 shared paper
Recent publications by Dr. Holcomb
See who Dr. Holcomb researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holcomb 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. John R. Holcomb has worked on 3 clinical trials
Dmand AI links Dr. Holcomb to 3 clinical trials, 2 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Alzheimer Disease, Pulmonary Disease, Chronic Obstructive and Respiratory Distress Syndrome. Open Payments lists research payments to Dr. Holcomb that name 1 trial.
Conditions in Dr. Holcomb's trials
- Alzheimer Disease
- Pulmonary Disease, Chronic Obstructive
- Respiratory Distress Syndrome
- Lung Diseases, Obstructive
- Respiration Disorders
Investigators on the most trials with Dr. Holcomb
- Rajiv Kumar Aggarwal, MBBS1 shared trial
- Rajiv Kumar Aggarwal, MBBS1 shared trial
- Thomas A. Ala, MD1 shared trial
Recent clinical trials with Dr. Holcomb
Pilot Study of Tetomilast in Chronic Obstructive Pulmonary Disease (COPD) Associated With Emphysema (opens in a new tab)
TerminatedPhase 2
Pulmonary Disease, Chronic ObstructiveLung Diseases, ObstructiveTetomilast
$173,618 in research paymentsAlzheimer DiseaseTauopathiesDonanemab
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. John R. Holcomb received $7,599 in industry payments from 2016 to 2024
CMS Open Payments shows 44 general payments to Dr. Holcomb from 9 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 78% of the total. Merck Sharp & Dohme Corporation paid the most, $2,285. It also lists 3 research payments totaling $173,618 from 2022 to 2023, naming 1 clinical trial.
General payments to Dr. Holcomb by program year, 2016 to 2024
General payments to Dr. Holcomb by kind, 2016 to 2024
$7.6Kin total
- Travel and lodging$5,89978%
- Food and beverage$1,70022%
Companies that paid Dr. Holcomb the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John R. Holcomb graduated from UT Southwestern Medical Center
Dr. Holcomb graduated from UT Southwestern Medical Center in 1971.
- Medical school
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. John R. Holcomb accepts plans from 1 insurance carrier
Dr. Holcomb is in network with 1 carrier, including Elevance. PPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Elevance
Source: Dmand AI Insurance Network Data
Sources for Dr. John R. Holcomb'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John R. Holcomb
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. John R. Holcomb's NPI number?
Dr. John R. Holcomb's NPI number is 1811994916. It was assigned on July 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Holcomb?
Dr. John R. Holcomb is a pulmonologist in Jourdanton, Texas. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. John R. Holcomb practice?
Dr. Holcomb practices at 1905 Hwy 97 East, Jourdanton, TX 78026. Dr. Holcomb's primary practice is Methodist Hospital Atascosa in Jourdanton, Texas, part of HCA Healthcare.
What is Dr. John R. Holcomb's office phone number?
The practice phone on file for Dr. Holcomb is (830) 769-3515.
What is Dr. John R. Holcomb's medical license number?
Dr. Holcomb's Texas license number on file is E4159.
Which hospitals is Dr. John R. Holcomb affiliated with?
Dr. Holcomb practices at Methodist Hospital Atascosa in Jourdanton, Texas.
Does Dr. John R. Holcomb accept Medicare?
Yes. CMS data shows Dr. Holcomb billed Medicare for 329 services in 2019.
Is Dr. John R. Holcomb board certified?
Yes. Dr. Holcomb is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John R. Holcomb bill to Medicare?
In 2019, Dr. Holcomb's most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99213) and hospital inpatient care (99221).
Where did Dr. John R. Holcomb go to medical school?
Dr. Holcomb graduated from UT Southwestern Medical Center in 1971.
Show 6 more questionsShow fewer questions
What drugs does Dr. John R. Holcomb prescribe most?
In 2024 Medicare Part D data, Dr. Holcomb's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. John R. Holcomb received payments from drug or device companies?
CMS Open Payments shows $7,599 in general payments to Dr. Holcomb from 9 companies from 2016 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John R. Holcomb been practicing?
Dr. Holcomb graduated from medical school in 1971, 55 years ago.
Does Dr. John R. Holcomb do research?
Dmand AI links 6 publications to Dr. Holcomb. Dr. Holcomb has worked on 3 clinical trials.
Who does Dr. John R. Holcomb publish with?
Dr. Holcomb's most frequent co-authors are Bruce M. Prenner, MD (2 shared papers), Mandel R. Sher, MD (2 shared papers) and Gary C. Steven, MD (1 shared paper).
What insurance does Dr. John R. Holcomb accept?
Dr. Holcomb is in network with 1 carrier, including Elevance. PPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to pulmonary disease practices?
See pulmonologists in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card