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Dr. Steven Weinstock, MD
NPI1477620177
- Medicare services, 2022
- 445
- Part D claims, 2023
- 30
- Publications
- 2
- Industry payments
- $2,005
- Affiliated sites
- 1
- Practice address
- 20911 Earl Street, Torrance, CA 90503
- Practice phone
- Call (310) 214-7236
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Associates Of The South Bay A Profess Medical
Medical specialty practice · Torrance, California
Find Dr. Weinstock'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. Steven Weinstock is a gastroenterologist in Mountain View, California
Dr. Weinstock practices at Gastroenterology Associates Of The South Bay A Profess Medical in Torrance, California.
Dr. Weinstock's NPI, 1477620177, was assigned on November 29, 2006. Dr. Weinstock graduated from New York Medical College in 1974. Dr. Weinstock's California license number on file is G29961.
NPI and contact details
- NPI
- 1477620177NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (310) 214-7236
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Weinstock practices in Torrance and Mountain View
Dr. Weinstock's primary practice is Gastroenterology Associates of the South Bay A Profess Medical, at 20911 Earl Street, Torrance, CA 90503. The practice phone is (310) 214-7236. The NPI Registry lists Dr. Weinstock's practice address as 2500 Grant Rd, Mountain View, CA 94040.
- Gastroenterology Associates of the South Bay A Profess MedicalPrimary20911 Earl Street, Torrance, CA 90503Phone(310) 214-7236
- NPI Registry address2500 Grant Rd, Mountain View, CA 94040 · Santa Clara CountyPhone(310) 214-7236
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Steven Weinstock is affiliated with 1 site of care and 1 medical group
Dr. Weinstock's primary practice is Gastroenterology Associates Of The South Bay A Profess Medical in Torrance, California. Dmand AI also links Dr. Weinstock to 1 medical group, named with a free account.
Gastroenterology Associates Of The South Bay A Profess MedicalPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Steven Weinstock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weinstock practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Associates Of The South Bay A Profess Medical | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Weinstock is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Weinstock's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Weinstock is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Weinstock has a license on file in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Gastroenterologists near Dr. Weinstock
Counts of gastroenterologists 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. Steven Weinstock billed Medicare for 445 services in 2022
CMS data shows 445 Medicare services from Dr. Weinstock across 10 procedure codes in 2022. Medicare paid $52,735 for them.
Medicare services, 2022445
Paid by Medicare$52,735
Procedure codes10
Dr. Weinstock's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4332022: 21251%
- Surgery
- 2021: 1502022: 1425%
- Other services
- 2021: 732022: 9125%
Where Dr. Weinstock's Medicare services took place, 2022
- In an office21248%
- In a facility23352%
Dr. Weinstock compared with the California median for gastroenterologists, 2022
- Dr. Weinstock
- California median
- Medicare services
- 445vs 58624% below
- Part D claims
- 30vs 38092% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Weinstock's most billed Medicare procedure codes, 2022
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. Weinstock?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weinstock and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven Weinstock's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Weinstock's median patient age at 75, with 38% women.
Dr. Weinstock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women38%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Steven Weinstock wrote 30 Medicare Part D claims in 2023
In 2023, Dr. Weinstock wrote 30 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $530 in total drug cost. In 2022, CMS named 570 claims across 13 drugs.
Part D claims, 202330
Drugs named by CMS2
Total drug cost$530
Dr. Weinstock'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: 5702023: 3095%
Drugs named by CMS: 2 in 2023, 13 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Steven Weinstock has 2 publications on record
Dmand AI links 2 papers to Dr. Weinstock. Dr. Weinstock's most frequent co-author is Ronald Lee Koretz, MD.
Papers2
Dr. Weinstock's most frequent co-authors
Recent publications by Dr. Weinstock
Alanine TransaminaseCholic AcidsDiagnosis, Differential
See who Dr. Weinstock researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weinstock works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Steven Weinstock received $2,005 in industry payments from 2017 to 2021
CMS Open Payments shows 95 general payments to Dr. Weinstock from 19 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $379.
General payments to Dr. Weinstock by program year, 2017 to 2021
General payments to Dr. Weinstock by kind, 2017 to 2021
$2Kin total
- Food and beverage$1,88494%
- Education$1065%
- Consulting fees$161%
Companies that paid Dr. Weinstock the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Weinstock graduated from New York Medical College
Dr. Weinstock graduated from New York Medical College in 1974.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Steven Weinstock accepts plans from 2 insurance carriers
Dr. Weinstock is in network with 2 carriers, including Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- HCSC
Plan types Dr. Weinstock accepts, by number of carriers
- Medicare2
- PPO2
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven Weinstock'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Steven Weinstock
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. Steven Weinstock's NPI number?
Dr. Steven Weinstock's NPI number is 1477620177. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Weinstock?
Dr. Steven Weinstock is a gastroenterologist in Mountain View, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Steven Weinstock practice?
Dr. Weinstock practices at 20911 Earl Street, Torrance, CA 90503. Dr. Weinstock also practices at 2500 Grant Rd, Mountain View, CA 94040. Dr. Weinstock's primary practice is Gastroenterology Associates Of The South Bay A Profess Medical in Torrance, California. Dmand AI also links Dr. Weinstock to 1 medical group.
What is Dr. Steven Weinstock's office phone number?
The practice phone on file for Dr. Weinstock is (310) 214-7236.
What is Dr. Steven Weinstock's medical license number?
Dr. Weinstock's California license number on file is G29961.
Does Dr. Steven Weinstock accept Medicare?
Yes. CMS data shows Dr. Weinstock billed Medicare for 445 services in 2022.
Is Dr. Steven Weinstock board certified?
Yes. Dr. Weinstock is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Steven Weinstock bill to Medicare?
In 2022, Dr. Weinstock's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (43239) and medicare service (G0121).
Where did Dr. Steven Weinstock go to medical school?
Dr. Weinstock graduated from New York Medical College in 1974.
What drugs does Dr. Steven Weinstock prescribe most?
In 2023 Medicare Part D data, Dr. Weinstock's most prescribed drugs by claims were Famotidine and Omeprazole.
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Has Dr. Steven Weinstock received payments from drug or device companies?
CMS Open Payments shows $2,005 in general payments to Dr. Weinstock from 19 companies from 2017 to 2021. The largest total came from Abbvie Inc.
How long has Dr. Steven Weinstock been practicing?
Dr. Weinstock graduated from medical school in 1974, 52 years ago.
Does Dr. Steven Weinstock do research?
Dmand AI links 2 publications to Dr. Weinstock.
Who does Dr. Steven Weinstock publish with?
Dr. Weinstock's most frequent co-authors are Ronald Lee Koretz, MD (1 shared paper).
What insurance does Dr. Steven Weinstock accept?
Dr. Weinstock is in network with 2 carriers, including Elevance and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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