George Kunnackal John, M.D., MSC
Gastroenterology Physician · Baltimore, MD
George Kunnackal John, M.D., MSC is a gastroenterology physician with a practice address in Baltimore, Maryland, and NPI 1639432834, issued on Jun 21, 2012. Check the license (Maryland D84345, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- George Kunnackal John
- Credential
- M.D., MSC
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D84345 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-5780
- Enumerated
- Jun 21, 2012
- Record last updated
- Jun 30, 2025
- Fax
- (410) 328-8315
- Medicare enrollment
- Enrolled (PECOS I20180829001435); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bizhan Aarabi, MDNeurological Surgery Physician1174578876
- Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify George Kunnackal John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D84345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,826 Medicare Part D claims for 511 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium487 claims
- Famotidine469 claims
- Omeprazole116 claims
- Sucralfate76 claims
- Colestipol Hcl60 claims
- Linzess47 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): 86.7 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: $1,248.00
44 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 2 group practices
- University OF Maryland Community Medical Group IncCentreville, MD
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Kunnackal John among 505 gastroenterology physician records in Maryland
George Kunnackal John, M.D., MSC is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2002 among the 344 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Baltimore → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Aline Charabaty-PishvaianBaltimore, MD 212011285619080
- Raymond Cross, MDBaltimore, MD 212011447214507
- Peter Darwin, MDBaltimore, MD 212011649231481
- George Fantry, M.D.Baltimore, MD 212011043272610
- Eric Goldberg, M.D.Baltimore, MD 212011083664312
- Eduardo Gonzalez-Velez, MDBaltimore, MD 212011205913373
- Sonia Gosain, MDBaltimore, MD 212011306049002
- Bruce Greenwald, M.D.Baltimore, MD 212011801842018
Common questions
What is George Kunnackal John, M.D., MSC's NPI number?
George Kunnackal John, M.D., MSC's National Provider Identifier (NPI) is 1639432834, issued on Jun 21, 2012. An NPI identifies a provider in billing; it is not a license.
Where is George Kunnackal John, M.D., MSC located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5780. Providers update this record themselves, so call before visiting.
How can I verify George Kunnackal John, M.D., MSC's license?
NPPES lists Maryland license number D84345, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does George Kunnackal John, M.D., MSC prescribe under Medicare Part D?
In 2024, George Kunnackal John, M.D., MSC had 1,826 Medicare Part D claims for 511 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is George Kunnackal John, M.D., MSC's MIPS final score?
The 2023 MIPS final score is 86.7 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.