RALPH PIERCE ZEHLER III PA-C
NPI 1972562643
Physician Assistant in Mchenry, IL

Active since March 21, 2006PECOS EnrolledAccepts Medicare Assignment
4309 W MEDICAL CENTER DR STE A200, MCHENRY, IL 60050(815) 759-8070(815) 759-4931 Get Directions Write a Review

NPPES record last updated: January 30, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Ralph Pierce Zehler Iii Pa-c NPPES

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

RALPH PIERCE ZEHLER III PA-C (NPI 1972562643) is an individual physician assistant in Mchenry, Illinois, licensed in Illinois (085006771) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1978).

NPPES Registry Identity

NPI1972562643
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameRALPH PIERCE ZEHLER IIICredential: PA-C
Location Address4309 W MEDICAL CENTER DR STE A200Mchenry, IL 60050-8437
Mailing Address4309 W Medical Center Dr Ste A200Mchenry, IL 60050-8437 · (815) 759-8070 · Fax (815) 759-4931
Fax(815) 759-4931
Sole ProprietorNo
Medical School CMSOtherGraduated 1978
Enumeration DateMarch 21, 2006
Last NPPES UpdateJanuary 30, 2023
NPPES CertifiedJanuary 30, 2023
NPI 1972562643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in IL · 085006771
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License PA10001576 (WA)
4309 W MEDICAL CENTER DR STE A200, Mchenry, IL 60050

Other Identifiers 2

Other0196113WA · L&i And Crime Victims
Medicaid8422180WA

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

Ralph Pierce Zehler Iii Pa-c 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 ID9436166113
PECOS Enrollment IDI20060321000790
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.

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
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
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.

Internal Medicine (Interventional Cardiology)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Internal Medicine (Cardiovascular Disease)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Physician Assistant
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Clinical Nurse Specialist (Adult Health)
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Physician Assistant
4309 W MEDICAL CENTER DR STE A200
MCHENRY, IL 60050
Nurse Practitioner
4309 W MEDICAL CENTER DR STE A200
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 Ralph Zehler's NPI number?

The NPI number for Ralph Zehler is 1972562643. It was assigned to this individual provider in the NPPES registry on March 21, 2006.

Where is Ralph Zehler located?

Ralph Zehler practices at 4309 W Medical Center Dr Ste A200, Mchenry, IL 60050. The listed phone number is (815) 759-8070.

What is Ralph Zehler's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Ralph Zehler enrolled in Medicare?

Yes. Ralph Zehler 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.

When was this NPI record last updated?

The NPPES record for Ralph Zehler was last updated on January 30, 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.