DR. TIMOTHY G HAVENHILL M.D.
NPI 1124190723
Orthopaedic Surgery - Hand Surgery in Crystal Lake, IL
About Dr. Timothy G Havenhill M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY G HAVENHILL M.D. (NPI 1124190723) is an individual hand surgery provider in Crystal Lake, Illinois, licensed in Illinois (036-112770) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Huntley.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Timothy G Havenhill 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.
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Havenhill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 25
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 60012 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
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 Timothy Havenhill's NPI number?
The NPI number for Timothy Havenhill is 1124190723. It was assigned to this individual provider in the NPPES registry on November 15, 2006.
Where is Timothy Havenhill located?
Timothy Havenhill practices at 420 N Il Route 31, Crystal Lake, IL 60012. The listed phone number is (815) 356-5200.
What is Timothy Havenhill's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Timothy Havenhill enrolled in Medicare?
Yes. Timothy Havenhill 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.
Which organizations bill Medicare for Timothy Havenhill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Havenhill reassigns Medicare benefits to 2 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL) and Central Dupage Physician Group (Carol Stream, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Havenhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Havenhill affiliated with any hospitals?
According to CMS data, Timothy Havenhill is affiliated with Northwestern Medicine Mchenry and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Timothy Havenhill was last updated on October 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.