DR. JAMES GORDON LIEBER MD
NPI 1083690283
Internal Medicine in Chandler, AZ
About Dr. James Gordon Lieber Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES GORDON LIEBER MD (NPI 1083690283) is an individual internal medicine provider in Chandler, Arizona, licensed in Arizona (24507) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 22, 2026, and is a graduate of Michigan State University College Of Human Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Other Identifiers 3
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
Dr. James Gordon Lieber Md 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 03D1029694
James G Lieber, MD, Plc · Chandler, AZAreas of Expertise CMS Part B claims 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85224 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 5
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.
CHANDLER, AZ 85224
CHANDLER, AZ 85224
CHANDLER, AZ 85224
CHANDLER, AZ 85224
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 James Lieber's NPI number?
The NPI number for James Lieber is 1083690283. It was assigned to this individual provider in the NPPES registry on December 20, 2005.
Where is James Lieber located?
James Lieber practices at 595 N Dobson Rd D 76, Chandler, AZ 85224. The listed phone number is (480) 821-0788.
What is James Lieber's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is James Lieber enrolled in Medicare?
Yes. James Lieber 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.
Does James Lieber hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 03D1029694) is associated with this NPI, valid through August 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does James Lieber accept?
Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list James Lieber 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.
When was this NPI record last updated?
The NPPES record for James Lieber was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
