Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN L DANIELS M.D.
NPI 1639188519
Orthopaedic Surgery in Algonquin, IL

Active since August 07, 2006PECOS EnrolledAccepts Medicare Assignment
70.99/100
CMS Quality Rating
650 S RANDALL RD, ALGONQUIN, IL 60102(815) 398-9491(815) 381-7498 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 4, 2020, Jul 22, 2019 (2 updates tracked since 2019).

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

NPI1639188519
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJOHN L DANIELSCredential: M.D.
Location Address650 S RANDALL RDAlgonquin, IL 60102-5944
Mailing AddressPo Box 735263Chicago, IL 60673-5263
Fax(815) 381-7498
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 1989
Enumeration DateAugust 7, 2006
Last NPPES UpdateJune 16, 20262 updates tracked since enumeration
NPPES CertifiedJune 16, 2026
NPI 1639188519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in IL · 036088142
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
650 S RANDALL RD, Algonquin, IL 60102

Secondary Practice Location 1

Location 14119 W Shamrock LnMcHenry, IL 60050-8268 · Phone (815) 398-9491

Other Identifiers 2

Other05600228IL · Blue Cross
Medicaid0040174023IL

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.

PECOS PAC ID1153397096
PECOS Enrollment IDI20041118000576
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 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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
1,056 services203 patients
Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg J7329
Trivisc is a treatment involving injections of a substance called hyaluronan into your joint, typically the knee. This substance is similar to a natural fluid in your joints that helps cushion and lubricate them. Trivisc can help reduce pain and improve joint movement.
750 services20 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.
500 services395 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
493 services450 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
338 services303 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
287 services244 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 Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician 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.

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.

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.

70.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61
Promoting Interoperability74
Improvement Activities40
Cost63.98

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)
Lower rates are better for this measure.
0.03%
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 3

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

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
2 suppliers66 claims66 services$42.52 avg. paid by Medicare
Continuous passive motion exercise device for use on knee only E0935
DME-Other DME · category DE000N
1 supplier129 claims1,570 services$21.70 avg. paid by Medicare
Knee orthosis, elastic with joints, prefabricated, off-the-shelf L1812
DME-Orthotic Devices · category DF011N
3 suppliers11 claims13 services$64.88 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.

Physical Therapist
650 S RANDALL RD
ALGONQUIN, IL 60102
Specialist/Technologist (Athletic Trainer)
650 S RANDALL RD
ALGONQUIN, IL 60102
Specialist/Technologist (Athletic Trainer)
650 S RANDALL RD
ALGONQUIN, IL 60102
Physician Assistant
650 S RANDALL RD
ALGONQUIN, IL 60102
Orthopaedic Surgery
650 S RANDALL RD
ALGONQUIN, IL 60102
Occupational Therapist
650 S RANDALL RD
ALGONQUIN, IL 60102
Physical Therapist
650 S RANDALL RD
ALGONQUIN, IL 60102
Physician Assistant
650 S RANDALL RD
ALGONQUIN, IL 60102

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.