DR. MARK EDWARD MCGRANAHAN M.D.
NPI 1215922000
Pediatrics in Caseyville, IL

Q: What is Mark Mcgranahan's NPI number?

The NPI number for Mark Mcgranahan is 1215922000. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Q: What is Mark Mcgranahan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Mcgranahan was last updated on August 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 16, 2005PECOS Enrolled

1230 GEORGE E. CHANCE PARKWAY, CASEYVILLE, IL 62232(618) 345-5437 Get Directions Write a Review

NPPES record last updated: August 13, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Mark Edward Mcgranahan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK EDWARD MCGRANAHAN M.D. (NPI 1215922000) is an individual pediatrics provider in Caseyville, Illinois, licensed in Illinois (036-111323) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215922000

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. MARK EDWARD MCGRANAHANCredential: M.D.

Location Address1230 GEORGE E. CHANCE PARKWAYCaseyville, IL 62232

Mailing Address1230 George E. Chance ParkwayCaseyville, IL 62232 · (618) 345-5437

Phone(618) 345-5437

Sole ProprietorNo

Enumeration DateSeptember 16, 2005

Last NPPES UpdateAugust 13, 2008

✔ NPI 1215922000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036-111323

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1230 GEORGE E. CHANCE PARKWAY, Caseyville, IL 62232

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Edward Mcgranahan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Mcgranahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Granite City Hospitalist Services LLC

74 mi

Hospitalist

2250 N ILLINOIS AVE
Carbondale, IL 62901

Reassigned Medicare billing, Illinois enrollment
88 clinicians in this Medicare group

NPI 1669926424 (618) 833-1691

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$88.44 typical visit price

range $56.28 – $173.35

Typical copayment $22.11 (range $14.07 – $43.33)

Most-billed visit code 99203

Established Patient

$99.71 typical visit price

range $17.51 – $139.99

Typical copayment $24.92 (range $4.37 – $34.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

A TO Z PEDIATRICS, LLP

Pediatrics

1230 GEORGE E. CHANCE PARKWAY
CASEYVILLE, IL 62232

St. Clair County (618) 345-5437

DR. LORI LEE EBERHART M.D.

Pediatrics

1230 GEORGE E. CHANCE PARKWAY
CASEYVILLE, IL 62232

St. Clair County (618) 345-5437

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Mcgranahan's NPI number?

The NPI number for Mark Mcgranahan is 1215922000. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Where is Mark Mcgranahan located?

Mark Mcgranahan practices at 1230 George E. Chance Parkway, Caseyville, IL 62232. The listed phone number is (618) 345-5437.

What is Mark Mcgranahan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mark Mcgranahan enrolled in Medicare?

Yes. Mark Mcgranahan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Mcgranahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mcgranahan reassigns Medicare benefits to Granite City Hospitalist Services LLC (Carbondale, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Mcgranahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Mcgranahan accept?

Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Mark Mcgranahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Mcgranahan was last updated on August 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.