DR. JENNIFER ELLEN JOHNSON BYER M.D.
NPI 1578838298
Obstetrics & Gynecology - Obstetrics in Santa Rosa, CA
About Dr. Jennifer Ellen Johnson Byer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNIFER ELLEN JOHNSON BYER M.D. (NPI 1578838298) is an individual obstetrics provider in Santa Rosa, California, licensed in California (A119671) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2010).
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. Jennifer Ellen Johnson Byer 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 Reassignments
2Medicare enrollment records show Jennifer Byer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Novato, CA 94949
- Reassigned Medicare billing, California enrollment
- 111 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ROSA, CA 95405
SANTA ROSA, CA 95405
SANTA ROSA, CA 95405
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 Jennifer Byer's NPI number?
The NPI number for Jennifer Byer is 1578838298. It was assigned to this individual provider in the NPPES registry on March 13, 2012.
Where is Jennifer Byer located?
Jennifer Byer practices at 500 Doyle Park Dr Suite G06, Santa Rosa, CA 95405. The listed phone number is (707) 303-1719.
What is Jennifer Byer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is Jennifer Byer enrolled in Medicare?
Yes. Jennifer Byer 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 Jennifer Byer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Byer reassigns Medicare benefits to 2 organizations: Prima Medical Foundation (Novato, CA) and Permanente Medical Group Inc (Vallejo, CA). 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 Jennifer Byer'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 Jennifer Byer was last updated on November 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Jennifer Ellen Johnson Byer, M.D. · NPI 1578838298
Obstetrics physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since March 13, 2012.
## Identity
- **NPI:** 1578838298 (Entity type: Individual)
- **Enumerated:** March 13, 2012
- **Primary specialty:** Obstetrics & Gynecology - Obstetrics · taxonomy 207VX0000X
- **State license:** A119671 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 500 DOYLE PARK DR, SUITE G06, Santa Rosa, CA 95405-4558
- **Phone:** (707) 303-1719
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Prima Medical Foundation (NPI 1811217946, Novato, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** November 14, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1578838298) · Data from the CMS NPPES public registry.