Gabriel Irvin Westheimer, NP
- Medicare services, 2024
- 64
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 131
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gabriel Westheimer's professional email, personal email and mobile number
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Gabriel Irvin Westheimer is a nurse practitioner in Stanford, California
Gabriel Westheimer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Gabriel Westheimer's NPI, 1912202946, was assigned on January 23, 2011. Gabriel Westheimer holds California license 20523.
- NPI
- 1912202946NPI Registry (opens in a new tab)
- NPI enumeration date
- January 23, 2011
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gabriel Irvin Westheimer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Gabriel Westheimer's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Gabriel Irvin Westheimer is affiliated with 2 sites of care and 4 medical groups
Gabriel Westheimer's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Gabriel Westheimer to 1 more hospital and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gabriel Irvin Westheimer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gabriel Westheimer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gabriel Irvin Westheimer is one of 5,983 nurse practitioners in California
Nurse practitioner is Gabriel Westheimer's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gabriel Westheimer is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Gabriel Westheimer
Counts of nurse practitioners 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
Gabriel Irvin Westheimer billed Medicare for 64 services in 2024
CMS data shows 64 Medicare services from Gabriel Westheimer across 2 procedure codes in 2024, all of them office visits, for 62 Medicare patients. Medicare paid $4,749 for them. Every service was in an office.
Gabriel Westheimer compared with the California median for nurse practitioners, 2024
- Gabriel Westheimer
- California median
- Medicare services
- 64vs 27977% below
- Medicare patients
- 62vs 9233% below
Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.
Gabriel Westheimer'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
Gabriel Irvin Westheimer treated 62 Medicare patients in 2024, average age 61
CMS counts 62 Medicare patients who saw Gabriel Westheimer in 2024. The largest group is under 65, with 30 patients. 60% of them have alcohol and drug use disorders, and 55% have tobacco use. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gabriel Westheimer's median patient age at 61, with 58% women.
Gabriel Westheimer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gabriel Westheimer's Medicare patients by sex, 2024
- Women1524%
- Men4776%
Chronic conditions among Gabriel Westheimer's Medicare patients, 2024
- Alcohol and drug use disorders60%
- Tobacco use55%
- High blood pressure48%
- Anxiety42%
- Mood disorders42%
- Schizophrenia and other psychoses35%
- Diabetes31%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Gabriel Westheimer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gabriel Irvin Westheimer wrote 131 Medicare Part D claims in 2024
In 2024, Gabriel Westheimer wrote 131 Medicare Part D claims for 70 patients. 88% of them were for generic drugs.
Gabriel Westheimer's Part D claims by kind of drug, 2024
- Generic115 claims88%
- Brand-name16 claims12%
Drug classes CMS tracks in Gabriel Westheimer's Part D claims, 2024
- Antibiotics11%14 of 131 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gabriel Irvin Westheimer scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Gabriel Westheimer for performance year 2024, reported as part of a group.
Gabriel Westheimer's MIPS scores, performance year 2024
- 88of 100Final score
- 61.1of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 84of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gabriel Irvin Westheimer received $123 in industry payments in 2024
CMS Open Payments shows 1 general payment to Gabriel Westheimer from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $123.
Companies that paid Gabriel Westheimer the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gabriel Irvin Westheimer'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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Gabriel Irvin Westheimer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gabriel Irvin Westheimer's NPI number?
Gabriel Irvin Westheimer's NPI number is 1912202946. It was assigned on January 23, 2011, and it is active in the NPI Registry.
What does Gabriel Irvin Westheimer specialize in?
Gabriel Irvin Westheimer is a nurse practitioner in Stanford, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Gabriel Irvin Westheimer practice?
Gabriel Westheimer practices at 300 Pasteur Drive, Stanford, CA 94305. Gabriel Westheimer's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Gabriel Westheimer to 1 hospital and 3 medical groups.
What is Gabriel Irvin Westheimer's office phone number?
The practice phone on file for Gabriel Westheimer is (650) 723-4000.
What is Gabriel Irvin Westheimer's medical license number?
Gabriel Westheimer holds California license 20523.
Which hospitals is Gabriel Irvin Westheimer affiliated with?
Gabriel Westheimer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Gabriel Westheimer to 1 more hospital.
What medical group is Gabriel Irvin Westheimer part of?
Gabriel Westheimer is linked to Stanford Health Care. Dmand AI links Gabriel Westheimer to 3 more medical groups.
Does Gabriel Irvin Westheimer accept Medicare?
Yes. CMS data shows Gabriel Westheimer billed Medicare for 64 services in 2024.
What is Gabriel Irvin Westheimer's MIPS score?
Gabriel Westheimer's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Gabriel Irvin Westheimer see?
CMS counts 62 Medicare patients who saw Gabriel Westheimer in 2024, with an average age of 61.
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What services does Gabriel Irvin Westheimer bill to Medicare?
In 2024, Gabriel Westheimer's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Has Gabriel Irvin Westheimer received payments from drug or device companies?
CMS Open Payments shows $123 in general payments to Gabriel Westheimer from 1 company from 2024 to 2024. The largest total came from Abbvie Inc.
How long has Gabriel Irvin Westheimer been practicing?
Gabriel Westheimer graduated from medical school in 2010, 16 years ago.
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