DR. JOHN W ELLIOTT MD
NPI 1043224280
Emergency Medicine in Mill Valley, CA
About Dr. John W Elliott Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN W ELLIOTT MD (NPI 1043224280) is an individual emergency medicine provider in Mill Valley, California, licensed in California (C40989) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1982).
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. John W Elliott Md 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
9Medicare enrollment records show John Elliott reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 118 clinicians in this Medicare group
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 112 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Huntington Park, CA 90255
- Reassigned Medicare billing, California enrollment
- 74 clinicians in this Medicare group
San Dimas, CA 91773
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
Montclair, CA 91763
- Reassigned Medicare billing, California enrollment
- 98 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 129 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 19
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 94941 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILL VALLEY, CA 94941
MILL VALLEY, CA 94941
MILL VALLEY, CA 94941
MILL VALLEY, CA 94941
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 Elliott's NPI number?
The NPI number for John Elliott is 1043224280. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is John Elliott located?
John Elliott practices at 750 Redwood Hwy Frontage Rd Ste 1204, Mill Valley, CA 94941. The listed phone number is (415) 384-4778.
What is John Elliott's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Elliott enrolled in Medicare?
Yes. John Elliott 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 John Elliott's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Elliott reassigns Medicare benefits to 9 organizations: Cep America - California (Greenbrae, CA), Ucsf Health Medical Foundation (Oakland, CA), Sonoma Valley Emergency Physicians Medical Group, Inc (Sonoma, CA), San Francisco Physicians International Medical Group, Inc (San Ramon, CA), Los Robles Emergency Physicians Medical Group (Thousand Oaks, CA) and 4 more organizations, listed in the Medicare section above. 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 John Elliott'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 Elliott was last updated on August 23, 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.
# Dr. John W Elliott, MD · NPI 1043224280
Emergency Medicine physician in Mill Valley, California. Individual provider, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1043224280 (Entity type: Individual)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C40989 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 750 REDWOOD HWY FRONTAGE RD STE 1204, Mill Valley, CA 94941-2483
- **Phone:** (415) 384-4778 · **Fax:** (415) 384-4779
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1417975319, Greenbrae, CA); Ucsf Health Medical Foundation (NPI 1922124866, Oakland, CA); Sonoma Valley Emergency Physicians Medical Group, Inc (NPI 1710164629, Sonoma, CA); San Francisco Physicians International Medical Group, Inc (NPI 1841220720, San Ramon, CA); Los Robles Emergency Physicians Medical Group (NPI 1417983552, Thousand Oaks, CA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 1982
## Record status
- **NPPES last updated:** August 23, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1043224280) · Data from the CMS NPPES public registry.