Yael Gernez-Goldhammer, M.D., PHD
Allergy & Immunology Physician · Palo Alto, CA
Yael Gernez-Goldhammer, M.D., PHD is an allergy & immunology physician with a practice address in Palo Alto, California, and NPI 1659792125, issued on Dec 30, 2013. Check the license (California A133624, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yael Gernez-Goldhammer
- Credential
- M.D., PHD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A133624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Dec 30, 2013
- Record last updated
- Apr 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20171211000571); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Yael Gernez-Goldhammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
29 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lpch Medical Group Div OF LucilePalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yael Gernez-Goldhammer among 444 allergy & immunology physician records in California
Yael Gernez-Goldhammer, M.D., PHD is one of 444 allergy & immunology 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 2013, is newer than 79% of them.
- NPI issued2013 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 281 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Palo Alto → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Joseph Hernandez, MD, PHDPalo Alto, CA 943041104052232
- Sara Kleinman, M.D.Palo Alto, CA 943041154610517
- Katherine Konvinse, MD, PHDPalo Alto, CA 943041639707680
- Anne Liu, M.D.Palo Alto, CA 943041821044314
- Anjuli Mehrotra, MDPalo Alto, CA 943041629187984
- Carlos Salgado, MDPalo Alto, CA 943041275064388
- Sayantani Sindher, MDPalo Alto, CA 943041366739740
- C. Garrison Fathman, MDStanford, CA 943051770619926
Common questions
What is Yael Gernez-Goldhammer, M.D., PHD's NPI number?
Yael Gernez-Goldhammer, M.D., PHD's National Provider Identifier (NPI) is 1659792125, issued on Dec 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Yael Gernez-Goldhammer, M.D., PHD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Yael Gernez-Goldhammer, M.D., PHD's license?
NPPES lists California license number A133624, 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 Yael Gernez-Goldhammer, M.D., PHD prescribe under Medicare Part D?
In 2024, Yael Gernez-Goldhammer, M.D., PHD had 29 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Yael Gernez-Goldhammer, M.D., PHD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.