JOHN L DANIELS M.D.
NPI 1639188519
Orthopaedic Surgery in Algonquin, IL
About John L Daniels M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN L DANIELS M.D. (NPI 1639188519) is an individual orthopaedic surgery provider in Algonquin, Illinois, licensed in Illinois (036088142) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Mchenry.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
John L Daniels M.d. 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.
Areas of Expertise CMS Part B claims 22
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.
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, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 John Daniels's NPI number?
The NPI number for John Daniels is 1639188519. It was assigned to this individual provider in the NPPES registry on August 7, 2006.
Where is John Daniels located?
John Daniels practices at 650 S Randall Rd, Algonquin, IL 60102. The listed phone number is (815) 398-9491.
What is John Daniels's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Daniels enrolled in Medicare?
Yes. John Daniels 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 John Daniels accept?
Health plans from Quartz list John Daniels 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 John Daniels affiliated with any hospitals?
According to CMS data, John Daniels is affiliated with Northwestern Medicine Mchenry and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for John Daniels was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.