DR. DANIEL WILLIAM FLIS M.D.
NPI 1316266042
Otolaryngology in Greenbrae, CA
About Dr. Daniel William Flis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL WILLIAM FLIS M.D. (NPI 1316266042) is an individual otolaryngology provider in Greenbrae, California, licensed in California (A134236) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2009).
NPPES Registry Identity
Specialties & Licenses
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. Daniel William Flis 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 Daniel Flis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 82 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 9
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 94904 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Daniel Flis's NPI number?
The NPI number for Daniel Flis is 1316266042. It was assigned to this individual provider in the NPPES registry on May 20, 2010.
Where is Daniel Flis located?
Daniel Flis practices at 1000 S Eliseo Dr Ste 103, Greenbrae, CA 94904. The listed phone number is (415) 461-9770.
What is Daniel Flis's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Daniel Flis enrolled in Medicare?
Yes. Daniel Flis 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 Daniel Flis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Flis reassigns Medicare benefits to Regents Of The University Of California - Ucsf (San Francisco, 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 Daniel Flis'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 Daniel Flis was last updated on November 7, 2016. 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.
# Dr. Daniel William Flis, M.D. · NPI 1316266042
Otolaryngology physician in Greenbrae, California. Individual provider, active in the CMS NPPES registry since May 20, 2010.
## Identity
- **NPI:** 1316266042 (Entity type: Individual)
- **Enumerated:** May 20, 2010
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** A134236 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 S ELISEO DR, STE 103, Greenbrae, CA 94904-2150
- **Phone:** (415) 461-9770 · **Fax:** (415) 461-6744
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Regents Of The University Of California - Ucsf (NPI 1265890263, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 2009
## Record status
- **NPPES last updated:** November 7, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1316266042) · Data from the CMS NPPES public registry.