Dr. John Gregory Modrall, MD

  • Dallas, TX
  • Vascular surgeon
NPI1457435398PAC ID5698725620
Publications
96
MIPS score, 2024
83
Hospital affiliations
1
Industry payments
$5,346
Medical group
1
Practice address
6201 Harry Hines Blvd, Dallas, TX 75390
Practice phone
Call (214) 633-5555
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Modrall'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.

View contacts for free

Dr. John Gregory Modrall is a vascular surgeon in Dallas, Texas

Dr. Modrall practices at William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System.

Dr. Modrall's NPI, 1457435398, was assigned on October 25, 2006. Dr. Modrall graduated from University of Colorado Anschutz Medical Campus in 1989. Dr. Modrall's Texas license number on file is K6159.

NPI and contact details
Medicare PAC ID
5698725620
NPI enumeration date
October 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(214) 633-5555
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. John Gregory Modrall practices at William P. Clements Jr. University Hospital in Dallas, Texas

Dr. Modrall's primary practice is William P. Clements Jr. University Hospital, at 6201 Harry Hines Blvd, Dallas, TX 75390 in Dallas County. The practice phone is (214) 633-5555.

Source: Dmand AI Affiliation Data

Dr. John Gregory Modrall is affiliated with 2 sites of care and 1 medical group

Dr. Modrall's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. The medical group on file is University of Texas Southwestern Medical Center. Dmand AI also links Dr. Modrall to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Modrall

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Gregory Modrall's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Modrall practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
William P. Clements Jr. University HospitalAvailable with a free account
+1 more affiliated siteAvailable 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. Modrall practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Texas System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Gregory Modrall is one of 317 vascular surgeons in Texas

Vascular surgery is Dr. Modrall's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Modrall is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Modrall's licenses on file in 4 states: Texas, California, Arkansas and Michigan.

Specialties and state licenses

  • Vascular surgery, TexasPrimaryLicense K6159 · 1998 to 2025 · taxonomy 2086S0129X
  • California licenseSince 1991
  • Arkansas licenseLicense E-7074 · 2011 to 2019
  • Michigan license1996 to 2000

Vascular surgeons near Dr. Modrall

Counts of vascular surgeons 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 Gregory Modrall's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Modrall's median patient age at 62, with 36% women.

Dr. Modrall's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women36%
  • Men64%

Source: Dmand AI Patient Panel Data

Dr. John Gregory Modrall scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Modrall for performance year 2024, reported as part of a group. Dr. Modrall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Modrall's MIPS scores, performance year 2024

  • 83of 100Final score
  • 70.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Dr. John Gregory Modrall has 96 publications on record

Dmand AI links 96 papers to Dr. Modrall, published from 2002 to 2024. 2016 was the busiest year, with 6. The most frequent topics are Endovascular Procedures, Vascular Surgical Procedures and Blood Vessel Prosthesis Implantation. Dr. Modrall has published most often in J Vasc Surg. Dr. Modrall's most frequent co-authors are Carlos Hernando Timaran, MD, Shirling Tsai, MD and Bala Ramanan, MBBS.

Papers96
Years published2002 to 2024

Dr. Modrall's papers by year, 2014 to 2024

Topics Dr. Modrall writes about most

  • Endovascular Procedures
  • Vascular Surgical Procedures
  • Blood Vessel Prosthesis Implantation
  • Texas
  • Stents
  • Aortic Aneurysm, Abdominal
  • Postoperative Complications
  • Ischemia

Dr. Modrall's most frequent co-authors

Recent publications by Dr. Modrall

See all 96 publications and co-authors

See who Dr. Modrall researches with

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

How network discovery works

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

Dr. John Gregory Modrall received $5,346 in industry payments from 2016 to 2025

CMS Open Payments shows 42 general payments to Dr. Modrall from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 52% of the total. CVRx, Inc. paid the most, $2,775.

General payments to Dr. Modrall by program year, 2016 to 2025

General payments to Dr. Modrall by kind, 2016 to 2025

$5.3Kin total
  • Consulting fees$2,77552%
  • Food and beverage$2,55548%
  • Travel and lodging$160%

Companies that paid Dr. Modrall the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Modrall

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

Dr. John Gregory Modrall has 1 award and honors on record

Dmand AI lists 1 award for Dr. Modrall, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Modrall

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. John Gregory Modrall graduated from University of Colorado Anschutz Medical Campus

Dr. Modrall graduated from University of Colorado Anschutz Medical Campus in 1989.

  1. Medical schoolUniversity of Colorado Anschutz Medical Campus
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. John Gregory Modrall accepts plans from 23 insurance carriers

Dr. Modrall is in network with 23 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Plan types Dr. Modrall accepts, by number of carriers

  1. PPO14
  2. HMO13
  3. Medicare9
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Gregory Modrall'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. John Gregory Modrall

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 Gregory Modrall's NPI number?

Dr. John Gregory Modrall's NPI number is 1457435398. It was assigned on October 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Gregory Modrall?

Dr. John Gregory Modrall is a vascular surgeon in Dallas, Texas. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. John Gregory Modrall practice?

Dr. Modrall practices at 6201 Harry Hines Blvd, Dallas, TX 75390. Dr. Modrall's primary practice is William P. Clements Jr. University Hospital in Dallas, Texas, part of The University of Texas System. Dmand AI also links Dr. Modrall to 1 group practice or clinic.

What is Dr. John Gregory Modrall's office phone number?

The practice phone on file for Dr. Modrall is (214) 633-5555.

What is Dr. John Gregory Modrall's medical license number?

Dr. Modrall's Texas license number on file is K6159, one of the licenses on file in 4 states.

Which states has Dr. John Gregory Modrall been licensed in?

Dmand AI has state licenses on file for Dr. Modrall in Texas (1998 to 2025), California (since 1991), Arkansas (2011 to 2019) and Michigan (1996 to 2000).

Which hospitals is Dr. John Gregory Modrall affiliated with?

Dr. Modrall practices at William P. Clements Jr. University Hospital in Dallas, Texas.

What medical group is Dr. John Gregory Modrall part of?

Dr. Modrall is linked to University of Texas Southwestern Medical Center.

Does Dr. John Gregory Modrall accept Medicare?

Yes. CMS lists Dr. Modrall as accepting Medicare assignment.

What is Dr. John Gregory Modrall's MIPS score?

Dr. Modrall's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

Is Dr. John Gregory Modrall board certified?

Yes. Dr. Modrall is board certified in surgery by the American Board of Surgery.

Where did Dr. John Gregory Modrall go to medical school?

Dr. Modrall graduated from University of Colorado Anschutz Medical Campus in 1989.

Has Dr. John Gregory Modrall received payments from drug or device companies?

CMS Open Payments shows $5,346 in general payments to Dr. Modrall from 7 companies from 2016 to 2025. The largest total came from CVRx, Inc.

How long has Dr. John Gregory Modrall been practicing?

Dr. Modrall graduated from medical school in 1989, 37 years ago.

Does Dr. John Gregory Modrall do research?

Dmand AI links 96 publications to Dr. Modrall, published from 2002 to 2024.

Who does Dr. John Gregory Modrall publish with?

Dr. Modrall's most frequent co-authors are Carlos Hernando Timaran, MD (28 shared papers), Shirling Tsai, MD (26 shared papers) and Bala Ramanan, MBBS (19 shared papers).

What insurance does Dr. John Gregory Modrall accept?

Dr. Modrall is in network with 23 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Selling to vascular surgery practices?

See vascular surgeons 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)