Dr. John L. Vassaur, MD
- Medicare services, 2024
- 324
- Medicare patients, 2024
- 154
- Part D claims, 2022
- 19
- Publications
- 5
- Hospital affiliations
- 2
- Practice address
- 3500 Gaston Ave, Dallas, TX 75246
- Practice phone
- Call (214) 820-8082
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vassaur'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 L. Vassaur is a pulmonologist in Dallas, Texas
Dr. Vassaur practices at Baylor University Medical Center in Dallas, Texas, part of Baylor Scott & White Health.
Dr. Vassaur's NPI, 1619357464, was assigned on June 8, 2015. Dr. Vassaur graduated from Texas A&M College of Medicine - Bryan in 2015. Dr. Vassaur holds Texas license S9427.
- NPI
- 1619357464NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496063984
- NPI enumeration date
- June 8, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (214) 820-8082
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John L. Vassaur practices at Baylor University Medical Center in Dallas, Texas
Dr. Vassaur's primary practice is Baylor University Medical Center, at 3500 Gaston Ave, Dallas, TX 75246 in Dallas County. The practice phone is (214) 820-8082.
- Baylor University Medical Center3500 Gaston Ave, Dallas, TX 75246 · Dallas CountyPhone(214) 820-8082
Source: Dmand AI Affiliation Data
Dr. John L. Vassaur is affiliated with 3 sites of care and 1 medical group
Dr. Vassaur's primary practice is Baylor University Medical Center in Dallas, Texas, part of Baylor Scott & White Health. Dr. Vassaur is also affiliated with Baylor Scott & White The Heart Hospital - Dallas. The medical group on file is HealthTexas Provider Network (HTPN). Dmand AI also links Dr. Vassaur to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John L. Vassaur's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassaur practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baylor University Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baylor Scott & White Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John L. Vassaur is one of 900 pulmonologists in Texas
Pulmonary disease is Dr. Vassaur's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Vassaur is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Vassaur's licenses on file in 2 states: Texas and Massachusetts.
Specialties and state licenses
- Pulmonary disease, TexasPrimary
- Student in an organized health care education/training program, Massachusetts
Pulmonologists near Dr. Vassaur
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 L. Vassaur billed Medicare for 324 services in 2024
CMS data shows 324 Medicare services from Dr. Vassaur across 3 procedure codes in 2024, for 154 Medicare patients. Medicare paid $49,028 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vassaur's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3342024: 3243%
Dr. Vassaur compared with the Texas median for pulmonologists, 2024
- Dr. Vassaur
- Texas median
- Medicare services
- 324vs 90864% below
- Medicare patients
- 154vs 32252% below
- Part D claims
- 19vs 51596% below
Medians across 862 pulmonologists in Texas with Dmand AI profiles that report each measure.
Dr. Vassaur's most billed Medicare procedure codes, 2024
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. Vassaur?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vassaur and other pulmonologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John L. Vassaur treated 154 Medicare patients in 2024, average age 72
CMS counts 154 Medicare patients who saw Dr. Vassaur in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 3.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vassaur's median patient age at 70, with 47% women.
Dr. Vassaur's Medicare patients by age, 2024
Dr. Vassaur's Medicare patients by sex, 2024
- Women7448%
- Men8052%
Chronic conditions among Dr. Vassaur's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Arthritis50%
- Heart failure48%
- Ischemic heart disease48%
- Diabetes47%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vassaur's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John L. Vassaur wrote 19 Medicare Part D claims in 2022
In 2022, Dr. Vassaur wrote 19 Medicare Part D claims. They cover 1 drug, with $12,472 in total drug cost. In 2021, CMS named 162 claims across 9 drugs.
Dr. Vassaur'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: 1622022: 1988%
Drugs named by CMS: 1 in 2022, 9 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John L. Vassaur takes part in Medicare
Dr. Vassaur accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John L. Vassaur has 5 publications on record
Dmand AI links 5 papers to Dr. Vassaur, published from 2022 to 2023. 2023 was the busiest year, with 2. The most frequent topics are COVID-19, Neuromuscular Blocking Agents and Respiratory Distress Syndrome. Dr. Vassaur's most frequent co-authors are John P. Kress, Anthony Francis Massaro, MD and Kavitha Selvan, MD.
Topics Dr. Vassaur writes about most
- COVID-19
- Neuromuscular Blocking Agents
- Respiratory Distress Syndrome
Dr. Vassaur's most frequent co-authors
- John P. Kress2 shared papers
- Anthony Francis Massaro, MD2 shared papers
- Kavitha Selvan, MD2 shared papers
Recent publications by Dr. Vassaur
Ann Pharmacother
J Bone Joint Surg Am
See who Dr. Vassaur researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Vassaur 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 L. Vassaur received $461 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Vassaur from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Torax Medical, Inc. paid the most, $157.
General payments to Dr. Vassaur by program year, 2016 to 2025
Companies that paid Dr. Vassaur the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John L. Vassaur graduated from Texas A&M College of Medicine - Bryan
Dr. Vassaur graduated from Texas A&M College of Medicine - Bryan in 2015. Dr. Vassaur is a member of ACCP and ATS.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. John L. Vassaur accepts plans from 19 insurance carriers
Dr. Vassaur is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Elevance
- +11 more carriersWith a free account
Plan types Dr. Vassaur accepts, by number of carriers
- PPO11
- HMO10
- Medicare7
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. John L. Vassaur'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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 L. Vassaur
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 L. Vassaur's NPI number?
Dr. John L. Vassaur's NPI number is 1619357464. It was assigned on June 8, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. John L. Vassaur?
Dr. John L. Vassaur is a pulmonologist in Dallas, Texas. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. John L. Vassaur practice?
Dr. Vassaur practices at 3500 Gaston Ave, Dallas, TX 75246. Dr. Vassaur's primary practice is Baylor University Medical Center in Dallas, Texas, part of Baylor Scott & White Health. Dmand AI also links Dr. Vassaur to 1 group practice or clinic.
What is Dr. John L. Vassaur's office phone number?
The practice phone on file for Dr. Vassaur is (214) 820-8082.
What is Dr. John L. Vassaur's medical license number?
Dr. Vassaur holds Texas license S9427, one of the licenses on file in 2 states.
Which states has Dr. John L. Vassaur been licensed in?
Dmand AI has state licenses on file for Dr. Vassaur in Texas (2021 to 2027) and Massachusetts (2015 to 2018).
Which hospitals is Dr. John L. Vassaur affiliated with?
Dr. Vassaur practices at Baylor University Medical Center in Dallas, Texas. Dr. Vassaur is also affiliated with Baylor Scott & White The Heart Hospital - Dallas.
What medical group is Dr. John L. Vassaur part of?
Dr. Vassaur is linked to HealthTexas Provider Network (HTPN).
Does Dr. John L. Vassaur accept Medicare?
Yes. CMS data shows Dr. Vassaur billed Medicare for 324 services in 2024, and Dr. Vassaur accepts Medicare assignment.
How many Medicare patients does Dr. John L. Vassaur see?
CMS counts 154 Medicare patients who saw Dr. Vassaur in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. John L. Vassaur board certified?
Yes. Dr. Vassaur is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. John L. Vassaur bill to Medicare?
In 2024, Dr. Vassaur's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. John L. Vassaur go to medical school?
Dr. Vassaur graduated from Texas A&M College of Medicine - Bryan in 2015.
What drugs does Dr. John L. Vassaur prescribe most?
In 2022 Medicare Part D data, Dr. Vassaur's most prescribed drugs by claims were Trelegy Ellipta.
Has Dr. John L. Vassaur received payments from drug or device companies?
CMS Open Payments shows $461 in general payments to Dr. Vassaur from 10 companies from 2016 to 2025. The largest total came from Torax Medical, Inc.
How long has Dr. John L. Vassaur been practicing?
Dr. Vassaur graduated from medical school in 2015, 11 years ago.
Does Dr. John L. Vassaur do research?
Dmand AI links 5 publications to Dr. Vassaur, published from 2022 to 2023.
Who does Dr. John L. Vassaur publish with?
Dr. Vassaur's most frequent co-authors are John P. Kress (2 shared papers), Anthony Francis Massaro, MD (2 shared papers) and Kavitha Selvan, MD (2 shared papers).
What insurance does Dr. John L. Vassaur accept?
Dr. Vassaur is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Cigna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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