John K. Shekleton, M.D.
Gastroenterology Physician · Tucson, AZ
John K. Shekleton, M.D. is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1649277666, issued on Jul 5, 2005. Check the license (Arizona 29600, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John K. Shekleton
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 29600 AZ
29401 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1871 W Orange Grove RD Ste 101, Tucson, AZ 85704
- Phone
- (520) 219-8342
- Enumerated
- Jul 5, 2005
- Record last updated
- Nov 28, 2022
- Fax
- (520) 219-7117
- Medicaid ID
- PENDING KY
- Medicare enrollment
- Enrolled (PECOS I20080215000367); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 1871 W Orange Grove RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ibraheem Mizyed, M.D.Gastroenterology Physician1851592570
- Sandra Pullen, FNPFamily Nurse Practitioner1053895706
Verify John K. Shekleton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 29600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average gastroenterology physician in 2024
986 Medicare Part D claims for 454 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pantoprazole Sodium228 claims
- Gavilyte-G201 claims
- Famotidine96 claims
- Omeprazole81 claims
- Peg-3350 And Electrolytes71 claims
- Creon46 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 MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $585.97
18 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 one group practice
- Northwest Allied Physicians LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John K. Shekleton among 403 gastroenterology physician records in Arizona
John K. Shekleton, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 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 · 73% of these records are
- Graduated1985 · median 2001 among the 295 with a school on file
- Record last updated2022 · 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 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Tucson → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Cristiana Bortuzzo, MDTucson, AZ 857041891739017
- Edmund Krasinski, D.O.Tucson, AZ 857041235166984
- Rebecca Kuhns, MDTucson, AZ 857041639138175
- Ibraheem Mizyed, M.D.Tucson, AZ 857041851592570
- Bhavneet Singh, M.D.Tucson, AZ 857051003995408
- Stephen Pozez, MDTucson, AZ 857101275564510
- Carl Kanun, MDTucson, AZ 857111952309130
- Sylvain Sidi, MDTucson, AZ 857111700995586
Common questions
What is John K. Shekleton, M.D.'s NPI number?
John K. Shekleton, M.D.'s National Provider Identifier (NPI) is 1649277666, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John K. Shekleton, M.D. located?
The NPPES record lists a practice address at 1871 W Orange Grove RD Ste 101, Tucson, AZ, 85704. Phone: (520) 219-8342. Providers update this record themselves, so call before visiting.
How can I verify John K. Shekleton, M.D.'s license?
NPPES lists Arizona license number 29600, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John K. Shekleton, M.D. prescribe under Medicare Part D?
In 2024, John K. Shekleton, M.D. had 986 Medicare Part D claims for 454 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John K. Shekleton, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 of 100. 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.