ADAM JACOB KREITENBERG M.D.
NPI 1770857682
Internal Medicine - Rheumatology in Tarzana, CA
About Adam Jacob Kreitenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM JACOB KREITENBERG M.D. (NPI 1770857682) is an individual rheumatology provider in Tarzana, California, licensed in California (A122216) and active in the NPI registry since February 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Adam Jacob Kreitenberg 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 Reassignment
Medicare enrollment records show Adam Kreitenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 6 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 76
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 91356 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 3
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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TARZANA, CA 91356
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 Adam Kreitenberg's NPI number?
The NPI number for Adam Kreitenberg is 1770857682. It was assigned to this individual provider in the NPPES registry on February 24, 2012.
Where is Adam Kreitenberg located?
Adam Kreitenberg practices at 18386 Ventura Blvd, Tarzana, CA 91356. The listed phone number is (818) 996-4077.
What is Adam Kreitenberg's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Adam Kreitenberg enrolled in Medicare?
Yes. Adam Kreitenberg 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 organization bills Medicare for Adam Kreitenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Kreitenberg reassigns Medicare benefits to Boris D Ratiner, MD, Inc (Tarzana, CA). The 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 Adam Kreitenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Adam Kreitenberg was last updated on January 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.