Dr. Katharine Brown, MD
- Industry payments
- $463
- Medical group
- 1
- Insurance carriers
- 10
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 1844 San Miguel Dr Ste 310, Walnut Creek, CA 94596-4963
- Practice phone
- Call (925) 937-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Brown'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. Katharine Brown is a pediatrician in Walnut Creek, California
Dr. Brown practices with John Muir Medical Group, a medical group.
Dr. Brown's NPI, 1962456707, was assigned on May 19, 2006. Dr. Brown graduated from Medical University of Silesia in 1986. Dr. Brown holds California license A73433.
- NPI
- 1962456707NPI Registry (opens in a new tab)
- NPI enumeration date
- May 19, 2006
- NPI status
- Active
- Practice phone
- (925) 937-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Katharine Brown's practice address is in Walnut Creek, California
Dr. Brown's practice address in the NPI Registry is 1844 San Miguel Dr Ste 310, Walnut Creek, CA 94596-4963. The practice phone is (925) 937-6000.
- NPI Registry address1844 San Miguel Dr Ste 310, Walnut Creek, CA 94596-4963Phone(925) 937-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katharine Brown is affiliated with 1 medical group
Dr. Brown is part of John Muir Medical Group, a medical group in Walnut Creek, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katharine Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brown practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across John Muir Medical Group and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katharine Brown is one of 8,236 pediatricians in California
Pediatrics is Dr. Brown's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Brown is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Brown's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- New York license
Pediatricians near Dr. Brown
Counts of pediatricians 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. Katharine Brown's patients have a median age of 18
Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 18, with 57% women.
Dr. Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women57%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Katharine Brown received $463 in industry payments from 2016 to 2025
CMS Open Payments shows 20 general payments to Dr. Brown from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $116.
General payments to Dr. Brown by program year, 2016 to 2025
Companies that paid Dr. Brown the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katharine Brown graduated from Medical University of Silesia
Dr. Brown graduated from Medical University of Silesia in 1986. Dr. Brown is a member of AAP.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Katharine Brown accepts plans from 10 insurance carriers
Dr. Brown is in network with 10 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Aetna
- Alliant Health Plans
- +2 more carriersWith a free account
Plan types Dr. Brown accepts, by number of carriers
- HMO6
- Medicare6
- PPO6
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Katharine Brown'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 | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Katharine Brown
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. Katharine Brown's NPI number?
Dr. Katharine Brown's NPI number is 1962456707. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katharine Brown?
Dr. Katharine Brown is a pediatrician in Walnut Creek, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Katharine Brown practice?
Dr. Brown practices at 1844 San Miguel Dr Ste 310, Walnut Creek, CA 94596-4963. Dr. Brown's primary practice is John Muir Medical Group, a medical group.
What is Dr. Katharine Brown's office phone number?
The practice phone on file for Dr. Brown is (925) 937-6000.
What is Dr. Katharine Brown's medical license number?
Dr. Brown holds California license A73433, one of the licenses on file in 2 states.
Which states has Dr. Katharine Brown been licensed in?
Dmand AI has state licenses on file for Dr. Brown in California (2000 to 2026) and New York (1996 to 2002).
What medical group is Dr. Katharine Brown part of?
Dr. Brown is part of John Muir Medical Group in Walnut Creek, California.
Is Dr. Katharine Brown board certified?
Yes. Dr. Brown is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Katharine Brown go to medical school?
Dr. Brown graduated from Medical University of Silesia in 1986.
Has Dr. Katharine Brown received payments from drug or device companies?
CMS Open Payments shows $463 in general payments to Dr. Brown from 11 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Katharine Brown been practicing?
Dr. Brown graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Katharine Brown accept?
Dr. Brown is in network with 10 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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