TROY B SHAFFER D.O.
NPI 1285665661
Emergency Medicine in Mchenry, IL

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
4201 W MEDICAL CENTER DR, MCHENRY, IL 60050(815) 338-6600 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 3, 2026, Sep 16, 2025, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

About Troy B Shaffer D.o. NPPES

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

TROY B SHAFFER D.O. (NPI 1285665661) is an individual emergency medicine provider in Mchenry, Illinois, licensed in Illinois (036095672) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Javon Bea Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1285665661
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTROY B SHAFFERCredential: D.O.
Location Address4201 W MEDICAL CENTER DRMchenry, IL 60050-8409
Mailing Address4201 W Medical Center DrMchenry, IL 60050-8409 · (815) 338-6600
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 5, 2006
Last NPPES UpdateApril 3, 20265 updates tracked since enumeration
NPPES CertifiedApril 3, 2026
NPI 1285665661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in IL · 036095672
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.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License 036095672 (IL)
4201 W MEDICAL CENTER DR, Mchenry, IL 60050

Secondary Practice Locations 3

Location 12400 N Rockton Ave, ER DeptRockford, IL 61103-3655 · Phone (815) 971-5000 · Fax (815) 968-0360
Location 21045 W Stephenson StFreeport, IL 61032-4864 · Phone (815) 599-6000 · Fax (815) 599-7974
Location 38201 E Riverside BlvdRockford, IL 61114-2300 · Phone (815) 971-3333 · Fax (815) 971-0916

Other Identifiers 1

Medicaid36095672IL

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

Troy B Shaffer 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 ID4688671423
PECOS Enrollment IDI20061108000610
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 6

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 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.
114 services108 patients
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.
93 services91 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.
39 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services30 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
20 services20 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.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Javon Bea Hospital

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140239
Location8201 E Riverside BlvdRockford, IL 61114 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60050 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.

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.

Student in an Organized Health Care Education/Training Program
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Surgery (Surgical Critical Care)
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Clinical Medical Laboratory
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Hospitalist
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Internal Medicine
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Internal Medicine
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Anesthesiology
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050
Anesthesiology
4201 W MEDICAL CENTER DR
MCHENRY, IL 60050

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 Troy Shaffer's NPI number?

The NPI number for Troy Shaffer is 1285665661. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Troy Shaffer located?

Troy Shaffer practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 338-6600.

What is Troy Shaffer's specialty?

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

Is Troy Shaffer enrolled in Medicare?

Yes. Troy Shaffer 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.

Is Troy Shaffer affiliated with any hospitals?

According to CMS data, Troy Shaffer is affiliated with Javon Bea Hospital.

When was this NPI record last updated?

The NPPES record for Troy Shaffer was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.