Chelsea Anne Young, MD
Child & Adolescent Psychiatry Physician · Mill Valley, CA
Chelsea Anne Young, MD is a child & adolescent psychiatry physician with a practice address in Mill Valley, California, and NPI 1942695754, issued on Mar 30, 2015. Check the license (California A143800, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chelsea Anne Young
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A143800 CA
Self-reported in NPPES; status is on the state search - Practice location
- 655 Redwood Hwy Frontage RD, Mill Valley, CA 94941
- Phone
- (628) 245-3932
- Enumerated
- Mar 30, 2015
- Record last updated
- Jun 9, 2024
- Fax
- (865) 205-5228
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 655 Redwood Hwy Frontage RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chelsea Anne Young in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
60 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Risperidone23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Chelsea Anne Young among 1,009 child & adolescent psychiatry physician records in California
Chelsea Anne Young, MD 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. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2024 · 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).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Mill Valley → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Michael Ramsey, D.O.Mill Valley, CA 949411205052693
- Matthew Williams, MDMill Valley, CA 949411326626797
- Zachary Schwab, MDLarkspur, CA 949391255862181
- Margaret Grimley, M.D.Petaluma, CA 949521558461095
- Susie Shin-Calandrella, MDPetaluma, CA 949521790859775
- Kenneth Wulff, MDPetaluma, CA 949521124105085
- Mario Mangiardi, MDPetaluma, CA 949541023490828
- Dannah Hirsch, M.D., M.P.H.Corte Madera, CA 949251326259680
Common questions
What is Chelsea Anne Young, MD's NPI number?
Chelsea Anne Young, MD's National Provider Identifier (NPI) is 1942695754, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Anne Young, MD located?
The NPPES record lists a practice address at 655 Redwood Hwy Frontage RD, Mill Valley, CA, 94941. Phone: (628) 245-3932. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Anne Young, MD's license?
NPPES lists California license number A143800, 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.
How much does Chelsea Anne Young, MD prescribe under Medicare Part D?
In 2024, Chelsea Anne Young, MD had 60 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.