Mark McGranahan, M.D.
Pediatrics Physician · Caseyville, IL
Mark McGranahan, M.D. is a pediatrics physician with a practice address in Caseyville, Illinois, and NPI 1215922000, issued on Sep 16, 2005. Check the license (Illinois 036-111323, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark McGranahan
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 036-111323 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1230 George E. Chance Parkway, Caseyville, IL 62232
- Phone
- (618) 345-5437
- Enumerated
- Sep 16, 2005
- Entity
- Type 1 · individual
Also registered at 1230 George E. Chance Parkway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Eberhart, M.D.Pediatrics Physician1699884825
Verify Mark McGranahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-111323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average pediatrics physician in 2024
111 Medicare Part D claims for 69 beneficiaries, against an average of 818 among the 8,211 providers of this specialty who prescribed in Part D. Brand-name drugs were 97% of claims.
Most prescribed
- Arexvy33 claims
- Shingrix30 claims
- M-M-R Ii Vaccine13 claims
- Boostrix Tdap11 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.
Industry payments in 2024: $113.98
5 payments, mostly food and beverage; the largest payer was Seqirus USA Inc. The 23,406 providers of this specialty with any payment received $1,203.67 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.
4 pediatrics physician records list a Caseyville practice address
They are 4 of the 22 NPPES records with a Caseyville practice address, and 3,316 pediatrics physician records in Illinois.
All 4 in Caseyville → All 3,316 in Illinois → Every provider in Caseyville →
Other pediatrics physician records in Illinois
- Waleed Abbasi, M.D.Rockford, IL1487941969
- Aiah Abdel-AalChicago, IL1255115846
- Mahmoud Abdel-Ghani, MDSpringfield, IL1487495883
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Raid Abdulla, MDChicago, IL1710037742
- Zainab Abdullah, M.D.Chicago, IL1356579650
- Sneha Abichandani, M.DChicago, IL1346505286
- Lynn Ables, MDWheaton, IL1285795989
- Alin Abraham, M.D.Lisle, IL1316101181
- Emil Abraham, MDSpringfield, IL1396419768
Common questions
What is Mark McGranahan, M.D.'s NPI number?
Mark McGranahan, M.D.'s National Provider Identifier (NPI) is 1215922000, issued on Sep 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark McGranahan, M.D. located?
The NPPES record lists a practice address at 1230 George E. Chance Parkway, Caseyville, IL, 62232. Phone: (618) 345-5437. Providers update this record themselves, so call before visiting.
How can I verify Mark McGranahan, M.D.'s license?
NPPES lists Illinois license number 036-111323, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark McGranahan, M.D. prescribe under Medicare Part D?
In 2024, Mark McGranahan, M.D. had 111 Medicare Part D claims for 69 beneficiaries; the average among pediatrics physician prescribers was 818. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.