CATHERINE SCHUYLER BRENNAN MD
NPI 1346354990
Psychiatry & Neurology - Psychiatry in Davis, CA
About Catherine Schuyler Brennan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE SCHUYLER BRENNAN MD (NPI 1346354990) is an individual psychiatry provider in Davis, California, licensed in California (G73257) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Davis, and is a graduate of University Of Southern California Keck School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Catherine Schuyler Brennan 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95618 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 3
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 Catherine Brennan's NPI number?
The NPI number for Catherine Brennan is 1346354990. It was assigned to this individual provider in the NPPES registry on August 19, 2006.
Where is Catherine Brennan located?
Catherine Brennan practices at 1590 Drew Ave Ste 200, Davis, CA 95618. The listed phone number is (855) 501-1004.
What is Catherine Brennan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Catherine Brennan enrolled in Medicare?
Yes. Catherine Brennan 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.
What insurance does Catherine Brennan accept?
Health plans from Providence Health Plan list Catherine Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Catherine Brennan was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Catherine Schuyler Brennan, MD · NPI 1346354990
Psychiatry physician in Davis, California. Individual provider, active in the CMS NPPES registry since August 19, 2006.
## Identity
- **NPI:** 1346354990 (Entity type: Individual)
- **Enumerated:** August 19, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** G73257 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1590 DREW AVE STE 200, Davis, CA 95618-7848
- **Phone:** (855) 501-1004
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** April 29, 2026
- **Other identifiers:** Medicaid 00G732570 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1346354990) · Data from the CMS NPPES public registry.