Mark Edward McGranahan, M.D.
Pediatrics Physician · Caseyville, IL
Mark Edward 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 Edward 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
- Record last updated
- Aug 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,176 in Illinois → Look up another NPI →
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 Edward 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
Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs
111 Medicare Part D claims for 69 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 97% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- 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; by number, the most common kind was food and beverage; the largest payer was Seqirus USA Inc. The 21,580 providers of this specialty with any payment received $842.05 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.
Mark Edward McGranahan among 3,176 pediatrics physician records in Illinois
Mark Edward McGranahan, M.D. is one of 3,176 pediatrics physician records with a practice address in Illinois. 32% 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, 92% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2008 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 pediatrics physician records list a practice address in Caseyville
They are 4 of the 22 NPPES records with a practice address in Caseyville, and 3,176 pediatrics physician records in Illinois.
All 3,176 in Illinois → Every provider in Caseyville → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lori Eberhart, M.D.Caseyville, IL 622321699884825
- Melissa Hill, CPNP-PCCaseyville, IL 622321851889331
- Jean Wagner, M.D.Caseyville, IL 622321902909153
- Prem Dua, MDChester, IL 622331952399396
- Mohammad Reza AshrafCollinsville, IL 622341033208897
- Douglas Kuhl, M.D.Breese, IL 622301174732945
- Li Ling Lai, MDCollinsville, IL 622341114901725
- Sarah O'Grady, M.D.Collinsville, IL 622341740415587
Common questions
What is Mark Edward McGranahan, M.D.'s NPI number?
Mark Edward 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 Edward 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 Edward 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 Edward McGranahan, M.D. prescribe under Medicare Part D?
In 2024, Mark Edward McGranahan, M.D. had 111 Medicare Part D claims for 69 beneficiaries; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
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.