NPPES file of Aug 9, 2026

Katharine Brown, M.D.

Pediatrics Physician · Walnut Creek, CA

Katharine Brown, M.D. is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1962456707, issued on May 19, 2006. Check the license (California A73433, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962456707
Name
Katharine Brown
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
A73433 CA
Self-reported in NPPES; status is on the state search
Practice location
1844 San Miguel Dr Ste 310, Walnut Creek, CA 94596
Phone
(925) 937-6000
Enumerated
May 19, 2006
Record last updated
Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(925) 937-2823
Medicaid ID
00A734330 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1844 San Miguel Dr Ste 310

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Genevieve Palmer, M.D.Pediatrics Physician1629224175
  2. Philip Rush, M.D.Pediatrics Physician1922023993

Verify Katharine Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A73433
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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57 pediatrics physician records list a practice address in Walnut Creek

They are 57 of the 6,170 NPPES records with a practice address in Walnut Creek, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Zvart Abaryan, MDLos Angeles, CA1154940849
  7. Lauren Abbas, MDLos Angeles, CA1982163796
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. Denise AbbasiParadise, CA1770062341
  10. Alexandra Abbott, MDPalo Alto, CA1760018675

Common questions

What is Katharine Brown, M.D.'s NPI number?

Katharine Brown, M.D.'s National Provider Identifier (NPI) is 1962456707, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Brown, M.D. located?

The NPPES record lists a practice address at 1844 San Miguel Dr Ste 310, Walnut Creek, CA, 94596. Phone: (925) 937-6000. Providers update this record themselves, so call before visiting.

How can I verify Katharine Brown, M.D.'s license?

NPPES lists California license number A73433, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.