Dr. Yael Gernez-Goldhammer, MD, PhD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 29
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 725 Welch Road, Palo Alto, CA 94304
- Practice phone
- Call (650) 497-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gernez-Goldhammer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Yael Gernez-Goldhammer is an allergist and immunologist in Palo Alto, California
Dr. Gernez-Goldhammer practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Dr. Gernez-Goldhammer's NPI, 1659792125, was assigned on December 30, 2013. Dr. Gernez-Goldhammer graduated from Other in 1996. Dr. Gernez-Goldhammer holds California license A133624.
- NPI
- 1659792125NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799043204
- NPI enumeration date
- December 30, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 497-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yael Gernez-Goldhammer practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Dr. Gernez-Goldhammer's primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.
- Lucile Packard Children's Hospital Stanford725 Welch Road, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 497-8000
Source: Dmand AI Affiliation Data
Dr. Yael Gernez-Goldhammer is affiliated with 2 sites of care and 2 medical groups
Dr. Gernez-Goldhammer's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dr. Gernez-Goldhammer is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Gernez-Goldhammer to 1 more medical group, named with a free account. Dr. Gernez-Goldhammer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yael Gernez-Goldhammer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gernez-Goldhammer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lucile Packard Children's Hospital Stanford | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yael Gernez-Goldhammer is one of 386 allergists and immunologists in California
Allergy and immunology is Dr. Gernez-Goldhammer's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Gernez-Goldhammer is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Gernez-Goldhammer's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Allergy and immunology, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists immune deficiency disease among the conditions Dr. Gernez-Goldhammer treats.
Allergists and immunologists near Dr. Gernez-Goldhammer
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Yael Gernez-Goldhammer billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Gernez-Goldhammer across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $948 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gernez-Goldhammer compared with the California median for allergists and immunologists, 2024
- Dr. Gernez-Goldhammer
- California median
- Medicare services
- 13vs 1,84099% below
- Medicare patients
- 23vs 14584% below
- Part D claims
- 30vs 25988% below
Medians across 368 allergists and immunologists in California with Dmand AI profiles that report each measure.
Dr. Gernez-Goldhammer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yael Gernez-Goldhammer treated 23 Medicare patients in 2024, average age 68
CMS counts 23 Medicare patients who saw Dr. Gernez-Goldhammer in 2024. 70% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 2.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gernez-Goldhammer's median patient age at 10, with 42% women.
Chronic conditions among Dr. Gernez-Goldhammer's Medicare patients, 2024
- High cholesterol70%
- High blood pressure65%
- Arthritis52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gernez-Goldhammer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yael Gernez-Goldhammer wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Gernez-Goldhammer wrote 29 Medicare Part D claims. 59% of them were for generic drugs. They cover 1 drug, with $70,969 in total drug cost. In 2022, CMS named 23 claims across 1 drug.
Dr. Gernez-Goldhammer's Part D claims by kind of drug, 2024
- Generic17 claims59%
- Brand-name12 claims41%
Dr. Gernez-Goldhammer's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 232023: 3030%
Drugs named by CMS: 1 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Yael Gernez-Goldhammer scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Gernez-Goldhammer for performance year 2024, reported as part of a group. Dr. Gernez-Goldhammer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gernez-Goldhammer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gernez-Goldhammer's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Yael Gernez-Goldhammer received $1,370 in industry payments from 2016 to 2021
CMS Open Payments shows 5 general payments to Dr. Gernez-Goldhammer from 3 drug and device companies from 2016 to 2021. Travel and lodging make up the largest share, 66% of the total. Genentech, Inc. paid the most, $1,224.
General payments to Dr. Gernez-Goldhammer by program year, 2016 to 2021
General payments to Dr. Gernez-Goldhammer by kind, 2016 to 2021
- Travel and lodging$90366%
- Food and beverage$41630%
- Education$524%
Companies that paid Dr. Gernez-Goldhammer the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yael Gernez-Goldhammer graduated from Other
Dr. Gernez-Goldhammer graduated from Other in 1996.
- Medical school
- Board certified in allergy & immunology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Yael Gernez-Goldhammer accepts plans from 10 insurance carriers
Dr. Gernez-Goldhammer is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- United Healthcare
- AK State Medicaid
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Gernez-Goldhammer accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Yael Gernez-Goldhammer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Yael Gernez-Goldhammer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Yael Gernez-Goldhammer's NPI number?
Dr. Yael Gernez-Goldhammer's NPI number is 1659792125. It was assigned on December 30, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Yael Gernez-Goldhammer?
Dr. Yael Gernez-Goldhammer is an allergist and immunologist in Palo Alto, California. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Yael Gernez-Goldhammer practice?
Dr. Gernez-Goldhammer practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Gernez-Goldhammer's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dmand AI also links Dr. Gernez-Goldhammer to 1 medical group.
What is Dr. Yael Gernez-Goldhammer's office phone number?
The practice phone on file for Dr. Gernez-Goldhammer is (650) 497-8000.
What is Dr. Yael Gernez-Goldhammer's medical license number?
Dr. Gernez-Goldhammer holds California license A133624, one of the licenses on file in 2 states.
Which states has Dr. Yael Gernez-Goldhammer been licensed in?
Dmand AI has state licenses on file for Dr. Gernez-Goldhammer in California (2014 to 2026) and New York (2015 to 2025).
Which hospitals is Dr. Yael Gernez-Goldhammer affiliated with?
Dr. Gernez-Goldhammer practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California. Dr. Gernez-Goldhammer is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Yael Gernez-Goldhammer part of?
Dr. Gernez-Goldhammer is linked to Stanford Health Care. Dmand AI links Dr. Gernez-Goldhammer to 1 more medical group.
Does Dr. Yael Gernez-Goldhammer accept Medicare?
Yes. CMS data shows Dr. Gernez-Goldhammer billed Medicare for 13 services in 2024, and Dr. Gernez-Goldhammer accepts Medicare assignment.
Does Dr. Yael Gernez-Goldhammer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gernez-Goldhammer as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Yael Gernez-Goldhammer's MIPS score?
Dr. Gernez-Goldhammer's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Yael Gernez-Goldhammer see?
CMS counts 23 Medicare patients who saw Dr. Gernez-Goldhammer in 2024, with an average age of 68.
Is Dr. Yael Gernez-Goldhammer board certified?
Yes. Dr. Gernez-Goldhammer is board certified in allergy & immunology by the American Board of Allergy and Immunology.
What services does Dr. Yael Gernez-Goldhammer bill to Medicare?
In 2024, Dr. Gernez-Goldhammer's most billed Medicare services were hospital inpatient care (99221).
Where did Dr. Yael Gernez-Goldhammer go to medical school?
Dr. Gernez-Goldhammer graduated from Other in 1996.
What drugs does Dr. Yael Gernez-Goldhammer prescribe most?
In 2023 Medicare Part D data, Dr. Gernez-Goldhammer's most prescribed drugs by claims were Cuvitru.
Has Dr. Yael Gernez-Goldhammer received payments from drug or device companies?
CMS Open Payments shows $1,370 in general payments to Dr. Gernez-Goldhammer from 3 companies from 2016 to 2021. The largest total came from Genentech, Inc.
How long has Dr. Yael Gernez-Goldhammer been practicing?
Dr. Gernez-Goldhammer graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Yael Gernez-Goldhammer accept?
Dr. Gernez-Goldhammer is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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