DR. CHARLES A LONGDON D.O.
NPI 1770512170
Emergency Medicine in Huntley, IL

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
10400 HALIGUS RD, HUNTLEY, IL 60142(224) 654-0100(224) 654-0105 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 12, 2023, Dec 28, 2021 (2 updates tracked since 2021).

About Dr. Charles A Longdon D.o. NPPES

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

DR. CHARLES A LONGDON D.O. (NPI 1770512170) is an individual emergency medicine provider in Huntley, Illinois, licensed in Illinois (036109417) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Western University Of Health Sciences College Of Dental Med (1998).

NPPES Registry Identity

NPI1770512170
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHARLES A LONGDONCredential: D.O.
Location Address10400 HALIGUS RDHuntley, IL 60142-9553
Mailing Address10400 Haligus RdHuntley, IL 60142-9553 · (224) 654-0100 · Fax (224) 654-0105
Fax(224) 654-0105
Sole ProprietorNo
Medical School CMSWestern University Of Health Sciences College Of Dental MedGraduated 1998
Enumeration DateJune 30, 2006
Last NPPES UpdateJanuary 12, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2023
NPI 1770512170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in IL · 036109417 Licensed in WI · 44365-021
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
10400 HALIGUS RD, Huntley, IL 60142

Other Identifiers 4

Medicaid43498200WI
Other930121753WI · Medicare Railroad
Other930123615WI · Medicare Railroad
OtherP00153529WI · Medicare Railroad

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles A Longdon D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951390608
PECOS Enrollment IDI20140527000349
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
254 services251 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
187 services187 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
95 services94 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
24 services24 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140116
Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County
Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60142 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,226 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$2.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Anesthesiology
10400 HALIGUS RD
HUNTLEY, IL 60142
Hospitalist
10400 HALIGUS RD
HUNTLEY, IL 60142
Emergency Medicine
10400 HALIGUS RD
HUNTLEY, IL 60142
Obstetrics & Gynecology
10400 HALIGUS RD
HUNTLEY, IL 60142
Pediatrics (Neonatal-Perinatal Medicine)
10400 HALIGUS RD
HUNTLEY, IL 60142
Internal Medicine
10400 HALIGUS RD
HUNTLEY, IL 60142
Emergency Medicine
10400 HALIGUS RD
HUNTLEY, IL 60142
Emergency Medicine
10400 HALIGUS RD
HUNTLEY, IL 60142

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 Charles Longdon's NPI number?

The NPI number for Charles Longdon is 1770512170. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Charles Longdon located?

Charles Longdon practices at 10400 Haligus Rd, Huntley, IL 60142. The listed phone number is (224) 654-0100.

What is Charles Longdon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Charles Longdon enrolled in Medicare?

Yes. Charles Longdon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Charles Longdon accept?

Health plans from CareSource (Common Ground Healthcare) list Charles Longdon 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.

Is Charles Longdon affiliated with any hospitals?

According to CMS data, Charles Longdon is affiliated with Northwestern Medicine Mchenry and Northwestern Lake Forest Hospital.

When was this NPI record last updated?

The NPPES record for Charles Longdon was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.