NPPES file of Aug 9, 2026

Katherine Chastain Lorber, M.D.

Child & Adolescent Psychiatry Physician · Kentfield, CA

Katherine Chastain Lorber, M.D. is a child & adolescent psychiatry physician with a practice address in Kentfield, California, and NPI 1801995782, issued on Sep 21, 2006. Check the license (California G42381, 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
1801995782
Name
Katherine Chastain Lorber
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
G42381 CA
Self-reported in NPPES; status is on the state search
Practice location
1044 Sir Francis Drake Blvd Ste 3, Kentfield, CA 94904
Phone
(415) 457-1101
Enumerated
Sep 21, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 1044 Sir Francis Drake Blvd Ste 3

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

  1. Paul Gilbert, M.D.Child & Adolescent Psychiatry Physician1821256181

Verify Katherine Chastain Lorber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G42381
    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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Katherine Chastain Lorber among 1,009 child & adolescent psychiatry physician records in California

Katherine Chastain Lorber, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileNo · 55% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2007 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 child & adolescent psychiatry physician records list a practice address in Kentfield

They are 4 of the 225 NPPES records with a practice address in Kentfield, and 1,009 child & adolescent psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Mary Burke, MDGreenbrae, CA 949041942304084
  2. Steven Frankel, M.D.Kentfield, CA 949041861647034
  3. Paul Gilbert, M.D.Kentfield, CA 949041821256181
  4. Ruth Noel, M.D.Kentfield, CA 949041760683999
  5. Kenneth Berg, MDSan Rafael, CA 949031790869865
  6. Catherine Kennedy, M.D.San Rafael, CA 949031194850958
  7. Edward Oklan, M.D.San Rafael, CA 949031083677686
  8. Gabrielle Taylor, M.D.San Rafael, CA 949031841457942

Common questions

What is Katherine Chastain Lorber, M.D.'s NPI number?

Katherine Chastain Lorber, M.D.'s National Provider Identifier (NPI) is 1801995782, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Chastain Lorber, M.D. located?

The NPPES record lists a practice address at 1044 Sir Francis Drake Blvd Ste 3, Kentfield, CA, 94904. Phone: (415) 457-1101. Providers update this record themselves, so call before visiting.

How can I verify Katherine Chastain Lorber, M.D.'s license?

NPPES lists California license number G42381, 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.