Amy Yu, MD
Internal Medicine Physician · Palo Alto, CA
Amy Yu, MD is an internal medicine physician with a practice address in Palo Alto, California, and NPI 1720570328, issued on May 31, 2018. Check the license (California A174449, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amy Yu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A174449 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2972
- Enumerated
- May 31, 2018
- Record last updated
- Sep 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20240912004115); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Amy Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A174449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
56 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf14 claims
- Omeprazole11 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: $193.68
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Sutter Bay Medical FoundationPalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Yu among 17,696 internal medicine physician records in California
Amy Yu, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Palo Alto
They are 187 of the 7,617 NPPES records with a practice address in Palo Alto, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Palo Alto → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Salwan Abiezzi, M.D.Palo Alto, CA 943011427163393
- Christopher Burn, M.D.Palo Alto, CA 943011740395672
- William Cheng, MDPalo Alto, CA 943011134234156
- Bradford Duncan, MDPalo Alto, CA 943011104932540
- Barry Eisenberg, MDPalo Alto, CA 943011134235450
- Susan Elgee, MDPalo Alto, CA 943011225144561
- Luis Folan, MDPalo Alto, CA 943011255314126
- Lisa Gervin, M.D.Palo Alto, CA 943011962425157
Common questions
What is Amy Yu, MD's NPI number?
Amy Yu, MD's National Provider Identifier (NPI) is 1720570328, issued on May 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Amy Yu, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2972. Providers update this record themselves, so call before visiting.
How can I verify Amy Yu, MD's license?
NPPES lists California license number A174449, 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 Amy Yu, MD prescribe under Medicare Part D?
In 2024, Amy Yu, MD had 56 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.