DR. GERALD WAYNE MCCLALLEN (D.O.) – Emergency Medicine Physician, NPI 1285686709

DR. GERALD WAYNE MCCLALLEN (D.O.) is a healthcare provider. based in Herrin, Illinois. specializing in EMERGENCY MEDICINE. They hold the professional credentials D.O.. They hold a License No. 036-078422 (IL). The NPI Number for DR. GERALD WAYNE MCCLALLEN (D.O.) is 1285686709

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. GERALD WAYNE MCCLALLEN (D.O.)
NPI
1285686709
Phone
(618) 942-2171
Address
201 S 14th St
Enumeration Date
16 May 2006
Last Update Date
27 September 2021

Doctor Profile

Medical School Name
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Secondary Phone
6182733361
Graduation Year
1984 (42 years ago)
PAC ID
2769477256
Group Practice PAC ID
3678955028
Professional Enrollment ID
I20040415000359
Address ID
IL629301634EL1201XSTXX300

Contacts

Secure Messaging
gmcclallen14217@sih.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

2,845 EMERGENCY MEDICINE in IL

Provider Addresses for DR. GERALD WAYNE MCCLALLEN (D.O.)

  • 201 S 14th St

    Herrin, IL 629483631

    Phone: (618) 942-2171

    Fax: (618) 351-4917

    Type: Location

  • 405 W Jackson St

    Carbondale, IL 629011462

    Phone: (618) 549-0721

    Fax: (618) 457-0469

    Type: Location

  • Carbondale Post Office, Main Street, Carbondale, Osage County, Kansas, 66414, United States

    CARBONDALE, IL 629023988

    Phone: (800) 457-5200

    Type: Mailing

  • Saint Joseph Memorial Hospital, 2, South Hospital Drive, Murphysboro, Jackson County, Illinois, 62966, United States

    MURPHYSBORO, IL 629663333

    Phone: (618) 684-3156

    Fax: (618) 529-0524

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-04-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040415000359IEmergency MedicineILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making6868$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only4643$0
99291Critical care, first 30-74 minutes2626$0
99284Emergency department visit with moderate level of medical decision making2424$0
View full utilization report →

Insurance plans in this area (ZIP 62948)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3678955028View full group profile
NameSpecialtyState
Internal MedicineIN
Emergency MedicineIL
Nurse PractitionerIL
Internal Medicine, Emergency Medicine, Emergency Medicine, Internal MedicineCO
Family PracticeIN
Family Practice, Family Practice, Emergency Medicine, HospitalistIN

Reviews

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Frequently asked questions

Does DR. GERALD WAYNE MCCLALLEN (D.O.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. GERALD WAYNE MCCLALLEN (D.O.) uses 1285686709.
Is DR. GERALD WAYNE MCCLALLEN (D.O.) listed as active for patients and plans?
The listing shows DR. GERALD WAYNE MCCLALLEN (D.O.) as active in the NPI system.
What is DR. GERALD WAYNE MCCLALLEN (D.O.)'s primary classification?
Emergency Medicine Physician is the headline specialty for DR. GERALD WAYNE MCCLALLEN (D.O.) here. Clinical services aligned with this taxonomy classification.
What area does DR. GERALD WAYNE MCCLALLEN (D.O.) serve?
DR. GERALD WAYNE MCCLALLEN (D.O.)'s listing highlights Herrin, Illinois; more addresses can appear in NPPES.
How many locations tie to this NPI?
4 practice locations appear in the available data.

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