DR. JOHN HAU M.D.
NPI 1922231042
Anesthesiology - Pain Medicine in Santa Rosa, CA
About Dr. John Hau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN HAU M.D. (NPI 1922231042) is an individual pain medicine provider in Santa Rosa, California, licensed in California (A123619) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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
Dr. John Hau 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 John Hau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Rosa, CA 95401
- Reassigned Medicare billing, California enrollment
- 9 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 18
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.
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
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Hau's NPI number?
The NPI number for John Hau is 1922231042. It was assigned to this individual provider in the NPPES registry on August 24, 2009.
Where is John Hau located?
John Hau practices at 392 Tesconi Ct, Santa Rosa, CA 95401. The listed phone number is (707) 623-9803.
What is John Hau's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is John Hau enrolled in Medicare?
Yes. John Hau 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 John Hau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hau reassigns Medicare benefits to Summit Pain Alliance Inc (Santa Rosa, 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 John Hau'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 John Hau was last updated on June 9, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.