Dr. William Joseph Estrin, MD
- Medicare services, 2024
- 128
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 197
- MIPS score, 2024
- 99
- Hospital affiliations
- 3
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Dr. Estrin'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. William Joseph Estrin is a neurologist in San Francisco, California
Dr. Estrin practices at UCSF St Mary's Hospital in San Francisco, California.
Dr. Estrin's NPI, 1952482390, was assigned on October 18, 2006. Dr. Estrin graduated from University of Chicago, Pritzker School of Medicine in 1973. Dr. Estrin holds California license G53425.
- NPI
- 1952482390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668400755
- NPI enumeration date
- October 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Joseph Estrin practices at UCSF St Mary's Hospital in San Francisco, California
Dr. Estrin's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Joseph Estrin is affiliated with 5 sites of care and 2 medical groups
Dr. Estrin's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dr. Estrin is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Chinese Hospital. Dmand AI also links Dr. Estrin to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Joseph Estrin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Estrin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Joseph Estrin is one of 2,207 neurologists in California
Neurology is Dr. Estrin's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Estrin is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Estrin
Counts of neurologists 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. William Joseph Estrin billed Medicare for 128 services in 2024
CMS data shows 128 Medicare services from Dr. Estrin across 3 procedure codes in 2024, for 58 Medicare patients. Medicare paid $10,650 for them.
Dr. Estrin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3412024: 12862%
- Tests and treatments
- 2023: 402024: 0100%
Where Dr. Estrin's Medicare services took place, 2024
- In an office1613%
- In a facility11288%
Dr. Estrin compared with the California median for neurologists, 2024
- Dr. Estrin
- California median
- Medicare services
- 128vs 40468% below
- Medicare patients
- 58vs 19069% below
- Part D claims
- 115vs 32465% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Estrin'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.
Need commercial claims for Dr. Estrin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Estrin and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Joseph Estrin treated 58 Medicare patients in 2024, average age 74
CMS counts 58 Medicare patients who saw Dr. Estrin in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.08, 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. Estrin's median patient age at 66, with 48% women.
Dr. Estrin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Estrin's Medicare patients by sex, 2024
- Women2441%
- Men3459%
Chronic conditions among Dr. Estrin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Stroke or TIA50%
- Alzheimer's and dementia40%
- Ischemic heart disease38%
- Mood disorders36%
- Diabetes34%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Estrin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women48%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Joseph Estrin wrote 197 Medicare Part D claims in 2024
In 2024, Dr. Estrin wrote 197 Medicare Part D claims for 49 patients. 95% of them were for generic drugs. CMS names the drug for 115 of them, across 4 drugs with 11 or more claims each, at $3,212 in total drug cost. In 2023, CMS named 234 claims across 7 drugs.
Dr. Estrin's Part D claims by kind of drug, 2024
- Generic188 claims95%
- Brand-name and other9 claims5%
Dr. Estrin's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2342024: 11551%
Drugs named by CMS: 4 in 2024, 7 in 2023.
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. William Joseph Estrin scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Estrin for performance year 2024, reported as part of a group. Dr. Estrin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Estrin's MIPS scores, performance year 2024
- 99of 100Final score
- 90.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 91of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William Joseph Estrin received $13,051 in industry payments from 2016 to 2024
CMS Open Payments shows 132 general payments to Dr. Estrin from 49 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Eisai Inc. paid the most, $931.
General payments to Dr. Estrin by program year, 2016 to 2024
General payments to Dr. Estrin by kind, 2016 to 2024
- Food and beverage$12,88899%
- Gifts$1381%
- Education$250%
Companies that paid Dr. Estrin the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Joseph Estrin graduated from University of Chicago, Pritzker School of Medicine
Dr. Estrin graduated from University of Chicago, Pritzker School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Joseph Estrin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| 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. William Joseph Estrin
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. William Joseph Estrin's NPI number?
Dr. William Joseph Estrin's NPI number is 1952482390. It was assigned on October 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Joseph Estrin?
Dr. William Joseph Estrin is a neurologist in San Francisco, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. William Joseph Estrin practice?
Dr. Estrin practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Estrin's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Dr. Estrin to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. William Joseph Estrin's office phone number?
The practice phone on file for Dr. Estrin is (415) 353-4739.
What is Dr. William Joseph Estrin's medical license number?
Dr. Estrin holds California license G53425.
Which hospitals is Dr. William Joseph Estrin affiliated with?
Dr. Estrin is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Estrin to 2 more hospitals.
What medical group is Dr. William Joseph Estrin part of?
Dr. Estrin is linked to Chinese Hospital. Dmand AI links Dr. Estrin to 1 more medical group.
Does Dr. William Joseph Estrin accept Medicare?
Yes. CMS data shows Dr. Estrin billed Medicare for 128 services in 2024, and Dr. Estrin accepts Medicare assignment.
What is Dr. William Joseph Estrin's MIPS score?
Dr. Estrin's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. William Joseph Estrin see?
CMS counts 58 Medicare patients who saw Dr. Estrin in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. William Joseph Estrin bill to Medicare?
In 2024, Dr. Estrin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99214).
Where did Dr. William Joseph Estrin go to medical school?
Dr. Estrin graduated from University of Chicago, Pritzker School of Medicine in 1973.
What drugs does Dr. William Joseph Estrin prescribe most?
In 2024 Medicare Part D data, Dr. Estrin's most prescribed drugs by claims were Carbidopa-Levodopa, Levetiracetam and Memantine HCl.
Has Dr. William Joseph Estrin received payments from drug or device companies?
CMS Open Payments shows $13,051 in general payments to Dr. Estrin from 49 companies from 2016 to 2024. The largest total came from Eisai Inc.
How long has Dr. William Joseph Estrin been practicing?
Dr. Estrin graduated from medical school in 1973, 53 years ago.
Selling to neurology practices?
See neurologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card