CHRISTOPHER J. LANG M.D.
NPI 1801007562
Internal Medicine in Phoenix, AZ
About Christopher J. Lang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER J. LANG M.D. (NPI 1801007562) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (41816) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
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
Christopher J. Lang 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
3Medicare enrollment records show Christopher Lang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 124 clinicians in this Medicare group
Peoria, AZ 85381
- Reassigned Medicare billing, Arizona enrollment
- 97 clinicians in this Medicare group
Flagstaff, AZ 86001
- Reassigned Medicare billing, Arizona enrollment
- 35 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 4
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 85020 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 8
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.
PHOENIX, AZ 85020
PHOENIX, AZ 85020
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 Christopher Lang's NPI number?
The NPI number for Christopher Lang is 1801007562. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Christopher Lang located?
Christopher Lang practices at 9225 N 3rd St Suite 300, Phoenix, AZ 85020. The listed phone number is (602) 445-0751.
What is Christopher Lang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christopher Lang enrolled in Medicare?
Yes. Christopher Lang 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 Christopher Lang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Lang reassigns Medicare benefits to 3 organizations: Affiliated Hospitalists, Plc (Phoenix, AZ), Dvma, LLC (Peoria, AZ) and Flagstaff Medical Center (Flagstaff, AZ). 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 Christopher Lang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Lang accept?
Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Christopher Lang 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 Christopher Lang was last updated on April 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.