Cancer Immunol Immunother
Abraham Winkelstein
- Medicare services, 2024
- 1,099
- Medicare patients, 2024
- 593
- Part D claims, 2024
- 1,174
- Publications
- 27
- MIPS score, 2024
- 75
- Practice address
- 111 Vision Park Blvd STE 230, Shenandoah, TX 77384
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Woodlands Endoscopy Center - HOPD
Acute Care Hospital outpatient department · Shenandoah, Texas
Find Abraham Winkelstein'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.
Abraham Winkelstein is a gastroenterologist in Shenandoah, Texas
Abraham Winkelstein practices at Woodlands Endoscopy Center - HOPD in Shenandoah, Texas.
Abraham Winkelstein's NPI, 1548260920, was assigned on July 27, 2005. Abraham Winkelstein graduated from Georgetown University School Of Medicine in 1991. Abraham Winkelstein's Texas license number on file is K4297.
- NPI
- 1548260920NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274537758
- NPI enumeration date
- July 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Abraham Winkelstein practices at Woodlands Endoscopy Center - HOPD in Shenandoah, Texas
Abraham Winkelstein's primary practice is Woodlands Endoscopy Center - HOPD, at 111 Vision Park Blvd STE 230, Shenandoah, TX 77384.
- Woodlands Endoscopy Center - HOPD111 Vision Park Blvd STE 230, Shenandoah, TX 77384
Source: Dmand AI Affiliation Data
Abraham Winkelstein is affiliated with 8 sites of care and 1 medical group
Abraham Winkelstein's primary practice is Woodlands Endoscopy Center - HOPD in Shenandoah, Texas. Abraham Winkelstein is also affiliated with Memorial Hermann Greater Heights Hospital. The medical group on file is Digestive Specialists, P.A. Dmand AI also links Abraham Winkelstein to 4 more hospitals, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Abraham Winkelstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Abraham Winkelstein practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Woodlands Endoscopy Center - HOPD | Available with a free account |
| +7 more affiliated sites | 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.
Abraham Winkelstein is one of 1,341 gastroenterologists in Texas
Gastroenterology is Abraham Winkelstein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Abraham Winkelstein is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Abraham Winkelstein's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Gastroenterology, TexasPrimary
- California license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroenteritis, intestinal diverticulosis and intestinal or bowel obstruction among the conditions Abraham Winkelstein treats.
Gastroenterologists near Abraham Winkelstein
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
Abraham Winkelstein billed Medicare for 1,099 services in 2024
CMS data shows 1,099 Medicare services from Abraham Winkelstein across 10 procedure codes in 2024, for 593 Medicare patients. Medicare paid $109,253 for them.
Abraham Winkelstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2612024: 637144%
- Surgery
- 2023: 4392024: 38313%
- Other services
- 2023: 652024: 7922%
Where Abraham Winkelstein's Medicare services took place, 2024
- In an office67261%
- In a facility42739%
Abraham Winkelstein compared with the Texas median for gastroenterologists, 2024
- Abraham Winkelstein
- Texas median
- Medicare services
- 1,099vs 5052.2 times
- Medicare patients
- 593vs 2842.1 times
- Part D claims
- 1,057vs 4932.1 times
Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.
Abraham Winkelstein'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 Abraham Winkelstein?
Medicare shows one payer. Book a meeting to get commercial claims data for Abraham Winkelstein and other gastroenterologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Abraham Winkelstein treated 593 Medicare patients in 2024, average age 73
CMS counts 593 Medicare patients who saw Abraham Winkelstein in 2024. The largest group is 65 to 74, with 355 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Abraham Winkelstein's median patient age at 66, with 49% women.
Abraham Winkelstein's Medicare patients by age, 2024
Abraham Winkelstein's Medicare patients by sex, 2024
- Women29049%
- Men30351%
Chronic conditions among Abraham Winkelstein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis48%
- Ischemic heart disease29%
- Diabetes24%
- Anxiety21%
- Cancer17%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Abraham Winkelstein'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
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Abraham Winkelstein wrote 1,174 Medicare Part D claims in 2024
In 2024, Abraham Winkelstein wrote 1,174 Medicare Part D claims for 392 patients. 89% of them were for generic drugs. CMS names the drug for 1,057 of them, across 18 drugs with 11 or more claims each, at $133,671 in total drug cost. In 2023, CMS named 611 claims across 11 drugs.
Abraham Winkelstein's Part D claims by kind of drug, 2024
- Generic1,043 claims89%
- Brand-name131 claims11%
Abraham Winkelstein'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.
Drug classes CMS tracks in Abraham Winkelstein's Part D claims, 2024
- Antibiotics3%38 of 1,174 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6112024: 1,05773%
Drugs named by CMS: 18 in 2024, 11 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
Abraham Winkelstein scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Abraham Winkelstein for performance year 2024, reported individually. Abraham Winkelstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 103 procedures of colonoscopy by Abraham Winkelstein, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Abraham Winkelstein ranks in Medicare procedure volume
- Colonoscopy
- 80th percentile103 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 75th percentile92 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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.
Abraham Winkelstein has 27 publications on record
Dmand AI links 27 papers to Abraham Winkelstein. The most frequent topics are T-Lymphocytes, Immunoglobulin G and Lymphocyte Activation. Abraham Winkelstein has published most often in Am J Hematol. Abraham Winkelstein's most frequent co-authors are Franklin A. Bontempo, Margaret V. Ragni, MD and Stephan R. Targan, MD.
Topics Abraham Winkelstein writes about most
- T-Lymphocytes
- Immunoglobulin G
- Lymphocyte Activation
- Acquired Immunodeficiency Syndrome
- Interleukin-2
- Phenotype
- Receptors, Interleukin-2
- Antibodies, Monoclonal
Abraham Winkelstein's most frequent co-authors
- Franklin A. Bontempo1 shared paper
- Margaret V. Ragni, MD1 shared paper
- Stephan R. Targan, MD1 shared paper
Recent publications by Abraham Winkelstein
Am J Forensic Med Pathol
See who Abraham Winkelstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Abraham Winkelstein works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Abraham Winkelstein received $73 in industry payments from 2016 to 2025
CMS Open Payments shows 2 general payments to Abraham Winkelstein from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. CONMED Corporation paid the most, $52.
General payments to Abraham Winkelstein by program year, 2016 to 2025
Companies that paid Abraham Winkelstein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Abraham Winkelstein has 1 award and honors on record
Dmand AI lists 1 award for Abraham Winkelstein, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Abraham Winkelstein
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Abraham Winkelstein graduated from Georgetown University School Of Medicine
Abraham Winkelstein graduated from Georgetown University School Of Medicine in 1991.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Abraham Winkelstein accepts plans from 11 insurance carriers
Abraham Winkelstein is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aspirus Health Plan
- Cigna
- Elevance
- HCSC
- Regence Health Plans
- +3 more carriersWith a free account
Plan types Abraham Winkelstein accepts, by number of carriers
- HMO7
- Medicare6
- PPO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Abraham Winkelstein'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 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)Doctors and Clinicians Utilization Data (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Abraham Winkelstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Abraham Winkelstein's NPI number?
Abraham Winkelstein's NPI number is 1548260920. It was assigned on July 27, 2005, and it is active in the NPI Registry.
What does Abraham Winkelstein specialize in?
Abraham Winkelstein is a gastroenterologist in Shenandoah, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Abraham Winkelstein practice?
Abraham Winkelstein practices at 111 Vision Park Blvd STE 230, Shenandoah, TX 77384. Abraham Winkelstein's primary practice is Woodlands Endoscopy Center - HOPD in Shenandoah, Texas. Dmand AI also links Abraham Winkelstein to 4 hospitals, 1 group practice or clinic and 1 hospital outpatient department.
What is Abraham Winkelstein's medical license number?
Abraham Winkelstein's Texas license number on file is K4297, one of the licenses on file in 2 states.
Which states has Abraham Winkelstein been licensed in?
Dmand AI has state licenses on file for Abraham Winkelstein in Texas (1997 to 2025) and California (since 1992).
Which hospitals is Abraham Winkelstein affiliated with?
Abraham Winkelstein is affiliated with Memorial Hermann Greater Heights Hospital. Dmand AI links Abraham Winkelstein to 4 more hospitals.
What medical group is Abraham Winkelstein part of?
Abraham Winkelstein is linked to Digestive Specialists, P.A.
Does Abraham Winkelstein accept Medicare?
Yes. CMS data shows Abraham Winkelstein billed Medicare for 1,099 services in 2024, and Abraham Winkelstein accepts Medicare assignment.
What is Abraham Winkelstein's MIPS score?
Abraham Winkelstein's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Abraham Winkelstein see?
CMS counts 593 Medicare patients who saw Abraham Winkelstein in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Abraham Winkelstein board certified?
Yes. Abraham Winkelstein is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Abraham Winkelstein bill to Medicare?
In 2024, Abraham Winkelstein's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and surgery: digestive system (45385).
Where did Abraham Winkelstein go to medical school?
Abraham Winkelstein graduated from Georgetown University School Of Medicine in 1991.
What drugs does Abraham Winkelstein prescribe most?
In 2024 Medicare Part D data, Abraham Winkelstein's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Famotidine.
Has Abraham Winkelstein received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Abraham Winkelstein from 2 companies from 2016 to 2025. The largest total came from CONMED Corporation.
How long has Abraham Winkelstein been practicing?
Abraham Winkelstein graduated from medical school in 1991, 35 years ago.
Does Abraham Winkelstein do research?
Dmand AI links 27 publications to Abraham Winkelstein.
Who does Abraham Winkelstein publish with?
Abraham Winkelstein's most frequent co-authors are Franklin A. Bontempo (1 shared paper), Margaret V. Ragni, MD (1 shared paper) and Stephan R. Targan, MD (1 shared paper).
What insurance does Abraham Winkelstein accept?
Abraham Winkelstein is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to gastroenterology practices?
See gastroenterologists in Texas 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