PHILIP BRIEN DREISBACH M.D.
NPI 1972513919
Internal Medicine - Hematology & Oncology in Rancho Mirage, CA
About Philip Brien Dreisbach M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHILIP BRIEN DREISBACH M.D. (NPI 1972513919) is an individual hematology & oncology provider in Rancho Mirage, California, licensed in California (G19293) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Mirage, and is a graduate of Other (1965).
NPPES Registry Identity
Specialties & Licenses
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
Philip Brien Dreisbach 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 Philip Dreisbach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rancho Mirage, CA 92270
- Reassigned Medicare billing, California enrollment
- 11 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 49
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 92270 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
RANCHO MIRAGE, CA 92270
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 Philip Dreisbach's NPI number?
The NPI number for Philip Dreisbach is 1972513919. It was assigned to this individual provider in the NPPES registry on August 9, 2006.
Where is Philip Dreisbach located?
Philip Dreisbach practices at 34490 Bob Hope Dr., Rancho Mirage, CA 92270. The listed phone number is (760) 568-3613.
What is Philip Dreisbach's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Philip Dreisbach enrolled in Medicare?
Yes. Philip Dreisbach 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 Philip Dreisbach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Dreisbach reassigns Medicare benefits to Desert Hematology-Oncology Medical Group Inc (Rancho Mirage, 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 Philip Dreisbach'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 Philip Dreisbach was last updated on May 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.