NPPES file of Aug 9, 2026

Maria L. Daehler, M.D.

Psychiatric/Mental Health Registered Nurse · Palo Alto, CA

Maria L. Daehler, M.D. is a psychiatric/mental health registered nurse with a practice address in Palo Alto, California, and NPI 1508092701, issued on Jun 3, 2009. Check the license (California G80542, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508092701
Name
Maria L. Daehler
Credential
M.D.
Primary taxonomy
Psychiatric/Mental Health Registered Nurse 163WP0808X
License number
G80542 CA
Self-reported in NPPES; status is on the state search
Practice location
780 Welch Road, Palo Alto, CA 94304
Phone
(650) 520-3625
Enumerated
Jun 3, 2009
Record last updated
Jun 3, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(650) 321-3460
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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8 nearest psychiatric/mental health registered nurse records → All 2,568 in California → Look up another NPI →

Verify Maria L. Daehler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G80542    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
Find the California license search

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98% fewer Medicare Part D claims than the average psychiatric/mental health registered nurse in 2024

15 Medicare Part D claims, against an average of 888 among the 242 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Maria Daehler15
  2. Specialty average888

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.

Maria L. Daehler among 2,568 psychiatric/mental health registered nurse records in California

Maria L. Daehler, M.D. is one of 2,568 psychiatric/mental health registered nurse records with a practice address in California. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 17% of them.

  • NPI issued2009 · 17% of these records are older, 81% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2009 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Registered Nurse providers in California

There are 2,568 psychiatric/mental health registered nurse records in California.

All 2,568 in California → Every provider in Palo Alto → Psychiatric/Mental Health Registered Nurse nationwide →

The 8 psychiatric/mental health registered nurse records with the nearest ZIP codes

  1. John Eric SombraPalo Alto, CA 943011780521401
  2. Sarah Penegor, RNSan Mateo, CA 944021275323214
  3. Sandra Lehman, RN,MSSan Mateo, CA 944031588893143
  4. Tora NewcomerSan Mateo, CA 944031588782924
  5. Ross Ramos, RN BSN PHN PHDSan Mateo, CA 944031194191387
  6. Ember Rose, RNSan Mateo, CA 944031295218394
  7. Beth Nielsen, RNSan Francisco, CA 941431760049233
  8. Larry Yavorsky, RN, MFTSan Francisco, CA 941331417004649

Common questions

What is Maria L. Daehler, M.D.'s NPI number?

Maria L. Daehler, M.D.'s National Provider Identifier (NPI) is 1508092701, issued on Jun 3, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Maria L. Daehler, M.D. located?

The NPPES record lists a practice address at 780 Welch Road, Palo Alto, CA, 94304. Phone: (650) 520-3625. Providers update this record themselves, so call before visiting.

How can I verify Maria L. Daehler, M.D.'s license?

NPPES lists California license number G80542, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Maria L. Daehler, M.D. prescribe under Medicare Part D?

In 2024, Maria L. Daehler, M.D. had 15 Medicare Part D claims; the average among psychiatric/mental health registered nurse prescribers was 888. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.