NPPES file of Aug 9, 2026

Hiliary Cash Weill, M.D.

Family Medicine Physician · Mountain View, CA

Hiliary Cash Weill, M.D. is a family medicine physician with a practice address in Mountain View, California, and NPI 1689056251, issued on Jun 19, 2015. Check the license (California A154981, 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
1689056251
Name
Hiliary Cash Weill
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A154981 CA
Self-reported in NPPES; status is on the state search
Practice location
701 E EL Camino Real, Mountain View, CA 94040
Phone
(650) 404-8390
Enumerated
Jun 19, 2015
Record last updated
Sep 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181017001796); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 701 E EL Camino Real

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

  1. Aya Abou-Nasr, MDAnesthesiology Physician1982191672
  2. Jaimie Abraham, AGPCNP-BCFamily Nurse Practitioner1245757699
  3. Brooke Abrantes, PA-CSurgical Physician Assistant1316771298
  4. Faud Abuabara, M.D.MOHS-Micrographic Surgery Physician1164472890
  5. Felix Adler, M.D.Diagnostic Radiology Physician1801069729
  6. Olga Afanasiev, MD, PHDDermatology Physician1669869384

Verify Hiliary Cash Weill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A154981
    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.

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55% fewer Medicare Part D claims than the average family medicine physician in 2024

1,580 Medicare Part D claims for 140 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Hiliary Weill1,580
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium119 claims
  2. Losartan Potassium88 claims
  3. Lisinopril69 claims
  4. Levothyroxine Sodium64 claims
  5. Alendronate Sodium56 claims
  6. Simvastatin56 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.

Industry payments in 2024: $24.71

1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hiliary Weill$24.71
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationMountain View, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hiliary Cash Weill among 17,133 family medicine physician records in California

Hiliary Cash Weill, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 74% of them.

  • NPI issued2015 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2015 · median 2005 among the 10,652 with a school on file
  • Record last updated2018 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 family medicine physician records list a practice address in Mountain View

They are 60 of the 2,467 NPPES records with a practice address in Mountain View, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mala Ahluwalia, MDMountain View, CA 940401831144898
  2. Philip Brosterhous, MDMountain View, CA 940401700847092
  3. Calvin Chen, MDMountain View, CA 940401659369544
  4. Christopher Chin, MDMountain View, CA 940401194776401
  5. Yaara Dror, MDMountain View, CA 940401457307084
  6. Patricia Einarson, MD, MBAMountain View, CA 940401750375796
  7. Fannie Huang, MDMountain View, CA 940401750321931
  8. James Laroy, M.DMountain View, CA 940401043265226

Common questions

What is Hiliary Cash Weill, M.D.'s NPI number?

Hiliary Cash Weill, M.D.'s National Provider Identifier (NPI) is 1689056251, issued on Jun 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Hiliary Cash Weill, M.D. located?

The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 404-8390. Providers update this record themselves, so call before visiting.

How can I verify Hiliary Cash Weill, M.D.'s license?

NPPES lists California license number A154981, 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 Hiliary Cash Weill, M.D. prescribe under Medicare Part D?

In 2024, Hiliary Cash Weill, M.D. had 1,580 Medicare Part D claims for 140 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.