Dr. John Douglas Pappas, MD

  • Corpus Christi, TX
  • Interventional cardiologist
NPI1033110234
Medicare services, 2024
2,018
Medicare patients, 2024
1,119
Part D claims, 2024
3,059
Industry payments
$48,350
Affiliated sites
2
Practice address
1521 S Staples St, Corpus Christi, TX 78404
Practice phone
Call (361) 888-7779
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Cardiac Ambulatory Surgery Center of Corpus Christi, LLC

Corpus Christi, Texas

See all 5 affiliations

Find Dr. Pappas' 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 Douglas Pappas is an interventional cardiologist in Corpus Christi, Texas

Dr. Pappas practices at Cardiac Ambulatory Surgery Center of Corpus Christi, LLC in Corpus Christi, Texas.

Dr. Pappas' NPI, 1033110234, was assigned on August 10, 2005. Dr. Pappas graduated from Texas Tech University Health Sciences Center School of Medicine in 1987. Dr. Pappas holds Texas license H4600.

NPI and contact details
NPI enumeration date
August 10, 2005
NPI status
Active
Practice phone
(361) 888-7779
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. John Douglas Pappas practices at Cardiac Ambulatory Surgery Center of Corpus Christi, LLC in Corpus Christi, Texas

Dr. Pappas' primary practice is Cardiac Ambulatory Surgery Center of Corpus Christi, LLC, at 1521 S Staples St, Corpus Christi, TX 78404 in Nueces County. The practice phone is (361) 888-7779.

  • Cardiac Ambulatory Surgery Center of Corpus Christi, LLC
    1521 S Staples St, Corpus Christi, TX 78404 · Nueces CountyPhone(361) 888-7779

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John Douglas Pappas is affiliated with 3 sites of care and 2 medical groups

Dr. Pappas' primary practice is Cardiac Ambulatory Surgery Center of Corpus Christi, LLC in Corpus Christi, Texas. The medical group on file is CHRISTUS Trinity Clinic. Dmand AI also links Dr. Pappas to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Pappas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Douglas Pappas' practice

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

EHR by site
SiteEHR vendor and product
Cardiac Ambulatory Surgery Center of Corpus Christi, LLCAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Pappas practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Douglas Pappas is one of 650 interventional cardiologists in Texas

Interventional cardiology is Dr. Pappas' primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Pappas is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Pappas is licensed in Texas.

Specialties and state licenses

  • Interventional cardiology, TexasPrimaryLicense H4600 · 1988 to 2026 · taxonomy 207RI0011X

Clinical focus

Dmand AI lists angioplasty, cardiac catheterization, pacemaker or defibrillator implantation and pacemaker replacement among the conditions Dr. Pappas treats.

Interventional cardiologists near Dr. Pappas

Counts of interventional cardiologists 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 Douglas Pappas billed Medicare for 2,018 services in 2024

CMS data shows 2,018 Medicare services from Dr. Pappas across 21 procedure codes in 2024, for 1,119 Medicare patients. Medicare paid $76,810 for them.

Medicare services, 20242,018
Medicare patients1,119
Paid by Medicare$76,810
Procedure codes21

Dr. Pappas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,0872024: 1,41030%
Office and hospital visits
2023: 5912024: 46821%
Drugs given in the office
2023: 682024: 8119%
Imaging
2023: 412024: 387%
Other services
2023: 352024: 2140%

Where Dr. Pappas' Medicare services took place, 2024

  • In an office88644%
  • In a facility1,13256%

Dr. Pappas compared with the Texas median for interventional cardiologists, 2024

  • Dr. Pappas
  • Texas median
Medicare services
2,018vs 2,041Close to median
Medicare patients
1,119vs 65471% above
Part D claims
2,848vs 2,42018% above

Medians across 640 interventional cardiologists in Texas with Dmand AI profiles that report each measure.

Dr. Pappas' 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.

See all procedures by Dr. Pappas

Need commercial claims for Dr. Pappas?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pappas and other interventional cardiologists in Texas.

Book a meeting

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

Dr. John Douglas Pappas treated 1,119 Medicare patients in 2024, average age 75

CMS counts 1,119 Medicare patients who saw Dr. Pappas in 2024. The largest group is 65 to 74, with 412 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.23, 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. Pappas' median patient age at 66, with 47% women.

Medicare patients, 20241,119
Average age75
Average risk score2.23
Also on Medicaid19%

Dr. Pappas' Medicare patients by age, 2024

Dr. Pappas' Medicare patients by sex, 2024

  • Women57852%
  • Men54148%

Chronic conditions among Dr. Pappas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Diabetes53%
  5. Ischemic heart disease49%
  6. Chronic kidney disease42%
  7. Heart failure41%
  8. Anxiety34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Pappas' patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Douglas Pappas wrote 3,059 Medicare Part D claims in 2024

In 2024, Dr. Pappas wrote 3,059 Medicare Part D claims for 549 patients. 81% of them were for generic drugs. CMS names the drug for 2,848 of them, across 42 drugs with 11 or more claims each, at $429,788 in total drug cost. In 2023, CMS named 2,572 claims across 38 drugs.

Part D claims, 20243,059
Drugs named by CMS42
Total drug cost$429,788
Part D patients549

Dr. Pappas' Part D claims by kind of drug, 2024

  • Generic2,480 claims81%
  • Brand-name579 claims19%

Dr. Pappas' 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. Pappas' Part D claims, 2024

  • Antibiotics0%12 of 3,059 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: 2,5722024: 2,84811%

Drugs named by CMS: 42 in 2024, 38 in 2023.

See all prescribing by Dr. Pappas

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 interventional cardiologists like Dr. Pappas 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 Douglas Pappas received $48,350 in industry payments from 2016 to 2025

CMS Open Payments shows 1,038 general payments to Dr. Pappas from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 53% of the total. Medtronic Vascular, Inc. paid the most, $18,883.

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

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

$48.3Kin total
  • Food and beverage$25,72253%
  • Travel and lodging$22,62847%

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

Share is of all general payments to this clinician.

See all payments to Dr. Pappas

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

Dr. John Douglas Pappas has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Pappas, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Pappas

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. John Douglas Pappas graduated from Texas Tech University Health Sciences Center School of Medicine

Dr. Pappas graduated from Texas Tech University Health Sciences Center School of Medicine in 1987. Dr. Pappas is a member of ACC.

  1. Medical schoolTexas Tech University Health Sciences Center School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Douglas Pappas accepts plans from 23 insurance carriers

Dr. Pappas is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Plan types Dr. Pappas accepts, by number of carriers

  1. PPO14
  2. HMO13
  3. Medicare12
  4. POS7
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Douglas Pappas'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
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 Douglas Pappas

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 Douglas Pappas' NPI number?

Dr. John Douglas Pappas' NPI number is 1033110234. It was assigned on August 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Douglas Pappas?

Dr. John Douglas Pappas is an interventional cardiologist in Corpus Christi, Texas. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. John Douglas Pappas practice?

Dr. Pappas practices at 1521 S Staples St, Corpus Christi, TX 78404. Dr. Pappas' primary practice is Cardiac Ambulatory Surgery Center of Corpus Christi, LLC in Corpus Christi, Texas. Dmand AI also links Dr. Pappas to 2 group practices and clinics and 1 medical group.

What is Dr. John Douglas Pappas' office phone number?

The practice phone on file for Dr. Pappas is (361) 888-7779.

What is Dr. John Douglas Pappas' medical license number?

Dr. Pappas holds Texas license H4600.

What medical group is Dr. John Douglas Pappas part of?

Dr. Pappas is linked to CHRISTUS Trinity Clinic. Dmand AI links Dr. Pappas to 1 more medical group.

Does Dr. John Douglas Pappas accept Medicare?

Yes. CMS data shows Dr. Pappas billed Medicare for 2,018 services in 2024.

How many Medicare patients does Dr. John Douglas Pappas see?

CMS counts 1,119 Medicare patients who saw Dr. Pappas in 2024, with an average age of 75.

Is Dr. John Douglas Pappas board certified?

Yes. Dr. Pappas is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. John Douglas Pappas bill to Medicare?

In 2024, Dr. Pappas' most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and heart test or procedure (93000).

Show 5 more questionsShow fewer questions

Where did Dr. John Douglas Pappas go to medical school?

Dr. Pappas graduated from Texas Tech University Health Sciences Center School of Medicine in 1987.

What drugs does Dr. John Douglas Pappas prescribe most?

In 2024 Medicare Part D data, Dr. Pappas' most prescribed drugs by claims were Clopidogrel, Metoprolol Succinate and Eliquis.

Has Dr. John Douglas Pappas received payments from drug or device companies?

CMS Open Payments shows $48,350 in general payments to Dr. Pappas from 35 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. John Douglas Pappas been practicing?

Dr. Pappas graduated from medical school in 1987, 39 years ago.

What insurance does Dr. John Douglas Pappas accept?

Dr. Pappas is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Selling to interventional cardiology practices?

See interventional cardiologists 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)