Registry data as of Aug 27, 2026

Lena Osher, M.D.

Child & Adolescent Psychiatry Physician · Palo Alto, CA

Lena Osher, M.D. is a child & adolescent psychiatry physician with a practice address in Palo Alto, California, and NPI 1750429692, issued on Feb 2, 2007. Check the license (California A82256, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750429692
Name
Lena Osher
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
A82256 CA
Self-reported in NPPES; status is on the state search
Practice location
467 Hamilton Ave Ste 28, Palo Alto, CA 94301
Phone
(650) 274-7107
Enumerated
Feb 2, 2007
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 467 Hamilton Ave Ste 28

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

  1. Toni Ratzburg, MAMarriage & Family Therapist1497080238

Verify Lena Osher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A82256
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

92% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

50 Medicare Part D claims, against an average of 608 among the 3,047 providers of this specialty who prescribed in Part D.

  1. Lena Osher50
  2. Specialty average608

Most prescribed

  1. Trazodone Hcl13 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.

Child & Adolescent Psychiatry Physician providers in California

There are 868 child & adolescent psychiatry physician records in California.

Other child & adolescent psychiatry physician records in California

  1. Manar Abdelmegeed, MDSan Jose, CA1699137661
  2. Beverly Abramowitz, M.D.Roseville, CA1982806287
  3. Allan Abrams, M.D.Simi Valley, CA1306844626
  4. Ajjya Acharya, MDSacramento, CA1760970354
  5. Lisa Acosta, MDSimi Valley, CA1497887277
  6. Adeshewa Adekunbi, MDGardena, CA1083134829
  7. Vladislav Afanasevich, M.D.Sacramento, CA1902193246
  8. Peter Afsari, D.O.San Luis Obispo, CA1013126143
  9. Ujwala Agharkar, MDFremont, CA1073685723
  10. Lielanie Mae Aguilar-Pascasio, M.D.El Centro, CA1356553945

Common questions

What is Lena Osher, M.D.'s NPI number?

Lena Osher, M.D.'s National Provider Identifier (NPI) is 1750429692, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lena Osher, M.D. located?

The NPPES record lists a practice address at 467 Hamilton Ave Ste 28, Palo Alto, CA, 94301. Phone: (650) 274-7107. Providers update this record themselves, so call before visiting.

How can I verify Lena Osher, M.D.'s license?

NPPES lists California license number A82256, 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 Lena Osher, M.D. prescribe under Medicare Part D?

In 2024, Lena Osher, M.D. had 50 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 608. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.