John Douglas Pappas, M.D.
Cardiovascular Disease Physician · Corpus Christi, TX
John Douglas Pappas, M.D. is a cardiovascular disease physician with a practice address in Corpus Christi, Texas, and NPI 1033110234, issued on Aug 10, 2005. Check the license (Texas H4600, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Douglas Pappas
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- H4600 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1521 S Staples St Ste 700, Corpus Christi, TX 78404
- Phone
- (361) 888-8271
- Enumerated
- Aug 10, 2005
- Record last updated
- Aug 2, 2026
- Fax
- (361) 885-3699
- Medicaid ID
- 139911502 TX
- Medicare enrollment
- Enrolled (PECOS I20100209000321); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,603 in Texas → Look up another NPI →
Also registered at 1521 S Staples St Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlos Martinez-Quinonez, M.D.Cardiovascular Disease Physician1568463941
- Mossaab Shuraih, M.D.Clinical Cardiac Electrophysiology Physician1144318270
- Gabor Szalai, M.D.Cardiovascular Disease Physician1194992818
- Theron Toole, MDCardiovascular Disease Physician1184604837
- Sridhar Venkatachalam, MDCardiovascular Disease Physician1659509990
Verify John Douglas Pappas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H4600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
3,059 Medicare Part D claims for 549 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Clopidogrel331 claims
- Metoprolol Succinate314 claims
- Eliquis308 claims
- Atorvastatin Calcium177 claims
- Metoprolol Tartrate174 claims
- Furosemide144 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,471.92
55 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christus Trinity ClinicKingsville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Douglas Pappas among 1,603 cardiovascular disease physician records in Texas
John Douglas Pappas, M.D. is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1987 · median 1998 among the 1,219 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Texas
There are 1,603 cardiovascular disease physician records in Texas.
All 1,603 in Texas → Every provider in Corpus Christi → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Thomas Alexander, MDCorpus Christi, TX 784041033191838
- Milton Beato, M.D.Corpus Christi, TX 784041770577439
- Lawrence Brenner, MDCorpus Christi, TX 784041225010317
- Kasi Chekuri, MDCorpus Christi, TX 784041093797193
- Rafael Coutin, M.D.Corpus Christi, TX 784041679574230
- Paul Heath, MDCorpus Christi, TX 784041497737597
- Carlos Martinez-Quinonez, M.D.Corpus Christi, TX 784041568463941
- Scott McKinstry, M.D.Corpus Christi, TX 784041740281302
Common questions
What is John Douglas Pappas, M.D.'s NPI number?
John Douglas Pappas, M.D.'s National Provider Identifier (NPI) is 1033110234, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Douglas Pappas, M.D. located?
The NPPES record lists a practice address at 1521 S Staples St Ste 700, Corpus Christi, TX, 78404. Phone: (361) 888-8271. Providers update this record themselves, so call before visiting.
How can I verify John Douglas Pappas, M.D.'s license?
NPPES lists Texas license number H4600, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Douglas Pappas, M.D. prescribe under Medicare Part D?
In 2024, John Douglas Pappas, M.D. had 3,059 Medicare Part D claims for 549 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John Douglas Pappas, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.