NPPES file of Aug 9, 2026

Nancy Leigh Hillis, M.D.

Behavioral Neurology & Neuropsychiatry Physician · Palo Alto, CA

Nancy Leigh Hillis, M.D. is a behavioral neurology & neuropsychiatry physician with a practice address in Palo Alto, California, and NPI 1376983379, issued on Jul 5, 2013. Check the license (California G063239, as entered in NPPES) on the Medical Board of California; 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
1376983379
Name
Nancy Leigh Hillis
Credential
M.D.
Primary taxonomy
Behavioral Neurology & Neuropsychiatry Physician 2084B0040X
License number
G063239 CA
Self-reported in NPPES; status is on the state search
Practice location
900 Welch RD, Palo Alto, CA 94304
Phone
(650) 353-0480
Enumerated
Jul 5, 2013
Record last updated
Jul 5, 2013 (not updated in 13 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 900 Welch RD

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

  1. Erika Balassiano, MDObstetrics & Gynecology Physician1558599928
  2. Victoria Berezina, DDSDentist1669503678
  3. Peter Berman, PH.D.Psychologist1194740530
  4. Ron Burg, PH.D.Clinical Psychologist1518172485
  5. Connie ChaPsychiatry Physician1306006093
  6. Sara Gandy, M.D.Psychiatry Physician1790985117

Verify Nancy Leigh Hillis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G063239
    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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97% fewer Medicare Part D claims than the average behavioral neurology & neuropsychiatry physician in 2024

28 Medicare Part D claims, against an average of 823 among the 148 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Nancy Hillis28
  2. Specialty average823

Most prescribed

  1. Escitalopram Oxalate12 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.

Nancy Leigh Hillis among 35 behavioral neurology & neuropsychiatry physician records in California

Nancy Leigh Hillis, M.D. is one of 35 behavioral neurology & neuropsychiatry physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 51% of them.

  • NPI issued2013 · 51% of these records are older, 40% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2013 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084B0040X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Behavioral Neurology & Neuropsychiatry Physician providers in California

There are 35 behavioral neurology & neuropsychiatry physician records in California.

The 8 behavioral neurology & neuropsychiatry physician records with the nearest ZIP codes

  1. Sepideh Bajestan, MDPalo Alto, CA 943041558681379
  2. Victor Henderson, MDStanford, CA 943051760525695
  3. Geoffrey Kerchner, MD, PHDStanford, CA 943051447344122
  4. Sharon Sha, MDStanford, CA 943051225299027
  5. Anish Dhamija, MDSan Mateo, CA 944031063946275
  6. Suzee Lee, MDSan Francisco, CA 941581669659033
  7. Jake LevySan Francisco, CA 941431598634214
  8. Juliet Morgan, MDSan Francisco, CA 941431780079921

Common questions

What is Nancy Leigh Hillis, M.D.'s NPI number?

Nancy Leigh Hillis, M.D.'s National Provider Identifier (NPI) is 1376983379, issued on Jul 5, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Leigh Hillis, M.D. located?

The NPPES record lists a practice address at 900 Welch RD, Palo Alto, CA, 94304. Phone: (650) 353-0480. Providers update this record themselves, so call before visiting.

How can I verify Nancy Leigh Hillis, M.D.'s license?

NPPES lists California license number G063239, 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 Nancy Leigh Hillis, M.D. prescribe under Medicare Part D?

In 2024, Nancy Leigh Hillis, M.D. had 28 Medicare Part D claims; the average among behavioral neurology & neuropsychiatry physician prescribers was 823. 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.