Dr. Peter J. Weinstein, MD
- Medicare services, 2024
- 913
- Medicare patients, 2024
- 645
- Part D claims, 2024
- 1,214
- Hospital affiliations
- 2
- Industry payments
- $6,168
- Practice address
- 271 Carew St, Springfield, MA 01104
- Practice phone
- Call (413) 748-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Medical Center (MA)
Springfield, Massachusetts
Find Dr. Weinstein'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. Peter J. Weinstein is a gastroenterologist in Springfield, Massachusetts
Dr. Weinstein practices at Mercy Medical Center (MA) in Springfield, Massachusetts.
Dr. Weinstein's NPI, 1467410308, was assigned on May 2, 2006. Dr. Weinstein graduated from Columbia University College of Physicians and Surgeons in 1992. Dr. Weinstein holds Massachusetts license 159667.
- NPI
- 1467410308NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618066622
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 748-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter J. Weinstein practices at Mercy Medical Center (MA) in Springfield, Massachusetts
Dr. Weinstein's primary practice is Mercy Medical Center (MA), at 271 Carew St, Springfield, MA 01104 in Hampden County. The practice phone is (413) 748-9000.
- Mercy Medical Center (MA)271 Carew St, Springfield, MA 01104 · Hampden CountyPhone(413) 748-9000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter J. Weinstein is affiliated with 5 sites of care and 2 medical groups
Dr. Weinstein's primary practice is Mercy Medical Center (MA) in Springfield, Massachusetts. Dr. Weinstein is also affiliated with Baystate Medical Center. The medical group on file is Trinity Health Of New England Medical Group. Dmand AI also links Dr. Weinstein to 1 more hospital, 2 group practices and clinics 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. Peter J. Weinstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weinstein practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center (MA) | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter J. Weinstein is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Weinstein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Weinstein is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Weinstein
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. Peter J. Weinstein billed Medicare for 913 services in 2024
CMS data shows 913 Medicare services from Dr. Weinstein across 16 procedure codes in 2024, for 645 Medicare patients. Medicare paid $127,144 for them.
Dr. Weinstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5212024: 5383%
- Office and hospital visits
- 2023: 3132024: 24123%
- Other services
- 2023: 1032024: 11512%
- Tests and treatments
- 2023: 192024: 19No change
- Imaging
- 2023: 112024: 0100%
Where Dr. Weinstein's Medicare services took place, 2024
- In an office22925%
- In a facility68475%
Dr. Weinstein compared with the Massachusetts median for gastroenterologists, 2024
- Dr. Weinstein
- Massachusetts median
- Medicare services
- 913vs 51976% above
- Medicare patients
- 645vs 34388% above
- Part D claims
- 1,073vs 3003.6 times
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Weinstein'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weinstein and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter J. Weinstein treated 645 Medicare patients in 2024, average age 72
CMS counts 645 Medicare patients who saw Dr. Weinstein in 2024. The largest group is 65 to 74, with 352 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Weinstein's median patient age at 65, with 50% women.
Dr. Weinstein's Medicare patients by age, 2024
Dr. Weinstein's Medicare patients by sex, 2024
- Women29746%
- Men34854%
Chronic conditions among Dr. Weinstein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis47%
- Diabetes29%
- Anxiety27%
- Chronic kidney disease25%
- Ischemic heart disease24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weinstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter J. Weinstein wrote 1,214 Medicare Part D claims in 2024
In 2024, Dr. Weinstein wrote 1,214 Medicare Part D claims for 755 patients. 80% of them were for generic drugs. CMS names the drug for 1,073 of them, across 18 drugs with 11 or more claims each, at $586,089 in total drug cost. In 2023, CMS named 825 claims across 16 drugs.
Dr. Weinstein's Part D claims by kind of drug, 2024
- Generic967 claims80%
- Brand-name247 claims20%
Dr. Weinstein'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: 8252024: 1,07330%
Drugs named by CMS: 18 in 2024, 16 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. Peter J. Weinstein ranks in the 97th percentile for colonoscopy in Medicare
Dr. Weinstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 303 procedures of colonoscopy by Dr. Weinstein, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Weinstein ranks in Medicare procedure volume
- Colonoscopy
- 97th percentile303 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 92nd percentile237 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter J. Weinstein received $6,168 in industry payments from 2016 to 2025
CMS Open Payments shows 281 general payments to Dr. Weinstein from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,774.
General payments to Dr. Weinstein by program year, 2016 to 2025
General payments to Dr. Weinstein by kind, 2016 to 2025
- Food and beverage$6,160100%
- Education$80%
Companies that paid Dr. Weinstein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter J. Weinstein graduated from Columbia University College of Physicians and Surgeons
Dr. Weinstein graduated from Columbia University College of Physicians and Surgeons in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter J. Weinstein'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)Doctors and Clinicians Utilization Data (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. Peter J. Weinstein
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. Peter J. Weinstein's NPI number?
Dr. Peter J. Weinstein's NPI number is 1467410308. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter J. Weinstein?
Dr. Peter J. Weinstein is a gastroenterologist in Springfield, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Peter J. Weinstein practice?
Dr. Weinstein practices at 271 Carew St, Springfield, MA 01104. Dr. Weinstein's primary practice is Mercy Medical Center (MA) in Springfield, Massachusetts. Dmand AI also links Dr. Weinstein to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Peter J. Weinstein's office phone number?
The practice phone on file for Dr. Weinstein is (413) 748-9000.
What is Dr. Peter J. Weinstein's medical license number?
Dr. Weinstein holds Massachusetts license 159667.
Which hospitals is Dr. Peter J. Weinstein affiliated with?
Dr. Weinstein is affiliated with Baystate Medical Center. Dmand AI links Dr. Weinstein to 1 more hospital.
What medical group is Dr. Peter J. Weinstein part of?
Dr. Weinstein is linked to Trinity Health Of New England Medical Group. Dmand AI links Dr. Weinstein to 1 more medical group.
Does Dr. Peter J. Weinstein accept Medicare?
Yes. CMS data shows Dr. Weinstein billed Medicare for 913 services in 2024, and Dr. Weinstein accepts Medicare assignment.
How many Medicare patients does Dr. Peter J. Weinstein see?
CMS counts 645 Medicare patients who saw Dr. Weinstein in 2024, with an average age of 72.
What services does Dr. Peter J. Weinstein bill to Medicare?
In 2024, Dr. Weinstein's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (45380).
Show 4 more questionsShow fewer questions
Where did Dr. Peter J. Weinstein go to medical school?
Dr. Weinstein graduated from Columbia University College of Physicians and Surgeons in 1992.
What drugs does Dr. Peter J. Weinstein prescribe most?
In 2024 Medicare Part D data, Dr. Weinstein's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Pantoprazole Sodium.
Has Dr. Peter J. Weinstein received payments from drug or device companies?
CMS Open Payments shows $6,168 in general payments to Dr. Weinstein from 32 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Peter J. Weinstein been practicing?
Dr. Weinstein graduated from medical school in 1992, 34 years ago.
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