GREGORY A LEHMAN DDS
NPI 1477592061
Dentist - Oral and Maxillofacial Surgery in Crystal Lake, IL
About Gregory A Lehman Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY A LEHMAN DDS (NPI 1477592061) is an individual oral and maxillofacial surgery provider in Crystal Lake, Illinois and active in the NPI registry since June 2006. He has opted out of Medicare through February 24, 2028 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Gregory A Lehman Dds has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 24, 2014 through February 24, 2028.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRYSTAL LAKE, IL 60014
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 Gregory Lehman's NPI number?
The NPI number for Gregory Lehman is 1477592061. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is Gregory Lehman located?
Gregory Lehman practices at 850 Munshaw Lane, Crystal Lake, IL 60014. The listed phone number is (815) 459-7400.
What is Gregory Lehman's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is Gregory Lehman enrolled in Medicare?
No. Gregory Lehman has opted out of Medicare through February 24, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for Gregory Lehman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.