Dr. Catherine Schuyler Brennan, MD
- Part D claims, 2024
- 275
- Industry payments
- $189
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 10
- Practice address
- 1590 Drew Ave, Davis, CA 95618
- Practice phone
- Call (916) 576-7898
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mindpath Health
Davis, California
Find Dr. Brennan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Catherine Schuyler Brennan is a psychiatrist in Davis, California
Dr. Brennan practices at Mindpath Health in Davis, California.
Dr. Brennan's NPI, 1346354990, was assigned on August 19, 2006. Dr. Brennan graduated from Keck School of Medicine of USC in 1990. Dr. Brennan's California license number on file is G73257.
- NPI
- 1346354990NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406076181
- NPI enumeration date
- August 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (916) 576-7898
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Schuyler Brennan practices at Mindpath Health in Davis, California
Dr. Brennan's primary practice is Mindpath Health, at 1590 Drew Ave, Davis, CA 95618 in Yolo County. The practice phone is (916) 576-7898.
- Mindpath Health1590 Drew Ave, Davis, CA 95618 · Yolo CountyPhone(916) 576-7898
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine Schuyler Brennan is affiliated with 2 sites of care and 1 medical group
Dr. Brennan's primary practice is Mindpath Health in Davis, California. The medical group on file is Mindpath Health Medical Group. Dmand AI also links Dr. Brennan to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Catherine Schuyler Brennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brennan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mindpath Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Schuyler Brennan is one of 6,803 psychiatrists in California
Psychiatry is Dr. Brennan's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Brennan is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Brennan has a license on file in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Brennan
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Catherine Schuyler Brennan's patients have a median age of 20
Across all payers, Dmand AI patient panel data puts Dr. Brennan's median patient age at 20, with 56% women.
Dr. Brennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women56%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Catherine Schuyler Brennan wrote 275 Medicare Part D claims in 2024
In 2024, Dr. Brennan wrote 275 Medicare Part D claims for 20 patients. 94% of them were for generic drugs. CMS names the drug for 137 of them, across 7 drugs with 11 or more claims each, at $2,129 in total drug cost. In 2023, CMS named 190 claims across 10 drugs.
Dr. Brennan's Part D claims by kind of drug, 2024
- Generic259 claims94%
- Brand-name16 claims6%
Dr. Brennan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Brennan's Part D claims, 2024
- Antipsychotics, patients 65 and over5%15 of 275 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1902024: 13728%
Drugs named by CMS: 7 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Catherine Schuyler Brennan offers telehealth to Medicare patients
Dr. Brennan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Brennan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Catherine Schuyler Brennan received $189 in industry payments from 2019 to 2025
CMS Open Payments shows 4 general payments to Dr. Brennan from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $173.
General payments to Dr. Brennan by program year, 2019 to 2025
Companies that paid Dr. Brennan the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine Schuyler Brennan graduated from Keck School of Medicine of USC
Dr. Brennan graduated from Keck School of Medicine of USC in 1990.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Catherine Schuyler Brennan accepts plans from 10 insurance carriers
Dr. Brennan is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Cigna
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Brennan accepts, by number of carriers
- Medicare10
- PPO7
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Catherine Schuyler Brennan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Catherine Schuyler Brennan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Catherine Schuyler Brennan's NPI number?
Dr. Catherine Schuyler Brennan's NPI number is 1346354990. It was assigned on August 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Schuyler Brennan?
Dr. Catherine Schuyler Brennan is a psychiatrist in Davis, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Catherine Schuyler Brennan practice?
Dr. Brennan practices at 1590 Drew Ave, Davis, CA 95618. Dr. Brennan's primary practice is Mindpath Health in Davis, California. Dmand AI also links Dr. Brennan to 1 group practice or clinic.
What is Dr. Catherine Schuyler Brennan's office phone number?
The practice phone on file for Dr. Brennan is (916) 576-7898.
What is Dr. Catherine Schuyler Brennan's medical license number?
Dr. Brennan's California license number on file is G73257.
What medical group is Dr. Catherine Schuyler Brennan part of?
Dr. Brennan is linked to Mindpath Health Medical Group.
Does Dr. Catherine Schuyler Brennan accept Medicare?
Yes. CMS lists Dr. Brennan as accepting Medicare assignment.
Does Dr. Catherine Schuyler Brennan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Brennan as offering telehealth services.
Is Dr. Catherine Schuyler Brennan board certified?
Yes. Dr. Brennan is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Catherine Schuyler Brennan go to medical school?
Dr. Brennan graduated from Keck School of Medicine of USC in 1990.
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What drugs does Dr. Catherine Schuyler Brennan prescribe most?
In 2024 Medicare Part D data, Dr. Brennan's most prescribed drugs by claims were Fluoxetine HCl, Lorazepam and Clonazepam.
Has Dr. Catherine Schuyler Brennan received payments from drug or device companies?
CMS Open Payments shows $189 in general payments to Dr. Brennan from 2 companies from 2019 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Catherine Schuyler Brennan been practicing?
Dr. Brennan graduated from medical school in 1990, 36 years ago.
What insurance does Dr. Catherine Schuyler Brennan accept?
Dr. Brennan is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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