Gregory Allen St. John, M.D.
Cardiovascular Disease Physician · Hot Springs, AR
Gregory Allen St. John, M.D. is a cardiovascular disease physician with a practice address in Hot Springs, Arkansas, and NPI 1124023056, issued on Jun 16, 2005. Check the license (Arkansas C-7977, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Allen St. John
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- C-7977 AR
Self-reported in NPPES; status is on the state search - Practice location
- 130 Medical Park PL, Hot Springs, AR 71901
- Phone
- (501) 625-3400
- Enumerated
- Jun 16, 2005
- Record last updated
- Jan 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (501) 625-3402
- Medicaid ID
- 124898001 AR
- Medicare enrollment
- Enrolled (PECOS I20100513000030); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 148 in Arkansas → Look up another NPI →
Also registered at 130 Medical Park PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tasha Binns, APNAcute Care Nurse Practitioner1942452883
- Martin Koehn, M.D.Family Medicine Physician1548249196
- Daniel McCoy, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1174558001
- Karol Palczynski, MDFamily Medicine Physician1174552210
Verify Gregory Allen St. John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C-7977Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,606 Medicare Part D claims for 508 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Clopidogrel251 claims
- Atorvastatin Calcium198 claims
- Eliquis176 claims
- Spironolactone175 claims
- Metoprolol Tartrate127 claims
- Carvedilol124 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $212.62
10 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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
- National Park Cardiology Services LLCHot Springs, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Allen St. John among 148 cardiovascular disease physician records in Arkansas
Gregory Allen St. John, M.D. is one of 148 cardiovascular disease physician records with a practice address in Arkansas. 84% 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, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1990 · median 1997 among the 102 with a school on file
- Record last updated2015 · 70% 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 Arkansas 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 Arkansas
There are 148 cardiovascular disease physician records in Arkansas.
All 148 in Arkansas → Every provider in Hot Springs → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Sudhir Pandit, MDHot Springs, AR 719091245244227
- Oyidie Igbokidi, MDHot Springs, AR 719131104896497
- Allen Lee, M.D.Hot Springs, AR 719131326044561
- Todd Turner, MDHot Springs, AR 719131669933610
- Faheemullah Beg, M.DConway, AR 720321801209614
- James Thomas, M.D.Conway, AR 720321700845427
- Harvinder Dod, MDEl Dorado, AR 717301699983635
- Daniel Schrader, MDEl Dorado, AR 717301689634982
Common questions
What is Gregory Allen St. John, M.D.'s NPI number?
Gregory Allen St. John, M.D.'s National Provider Identifier (NPI) is 1124023056, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Allen St. John, M.D. located?
The NPPES record lists a practice address at 130 Medical Park PL, Hot Springs, AR, 71901. Phone: (501) 625-3400. Providers update this record themselves, so call before visiting.
How can I verify Gregory Allen St. John, M.D.'s license?
NPPES lists Arkansas license number C-7977, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Allen St. John, M.D. prescribe under Medicare Part D?
In 2024, Gregory Allen St. John, M.D. had 2,606 Medicare Part D claims for 508 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregory Allen St. John, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.