Dr. Samantha Lynn McGreer Winstead, MD
- Medicare services, 2024
- 33
- Medicare patients, 2024
- 37
- Part D claims, 2024
- 228
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Practice address
- 2311 N Prospect Ave, Milwaukee, WI 53211
- Practice phone
- Call (414) 585-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension Columbia St Mary's Hospital Milwaukee
Milwaukee, Wisconsin
Find Dr. Winstead'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. Samantha Lynn McGreer Winstead is an internist in Milwaukee, Wisconsin
Dr. Winstead practices at Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin.
Dr. Winstead's NPI, 1033670047, was assigned on March 31, 2019. Dr. Winstead graduated from Illinois Medical College in 2019. Dr. Winstead holds Wisconsin license 83964-20.
- NPI
- 1033670047NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729313630
- NPI enumeration date
- March 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 585-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samantha Lynn McGreer Winstead practices at Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin
Dr. Winstead's primary practice is Ascension Columbia St Mary's Hospital Milwaukee, at 2311 N Prospect Ave, Milwaukee, WI 53211 in Milwaukee County. The practice phone is (414) 585-1000.
- Ascension Columbia St Mary's Hospital Milwaukee2311 N Prospect Ave, Milwaukee, WI 53211 · Milwaukee CountyPhone(414) 585-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Samantha Lynn McGreer Winstead is affiliated with 3 sites of care and 1 medical group
Dr. Winstead's primary practice is Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin. Dr. Winstead is also affiliated with Ascension Columbia St. Mary's Hospital - Milwaukee Campus. The medical group on file is Ascension Columbia St. Mary's Hospital - Milwaukee Campus. Dmand AI also links Dr. Winstead to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Samantha Lynn McGreer Winstead's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winstead practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Columbia St Mary's Hospital Milwaukee | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samantha Lynn McGreer Winstead is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Winstead's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Winstead's licenses on file in 2 states: Wisconsin and Missouri.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
- Pediatrics, Missouri
Internists near Dr. Winstead
Counts of internists 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. Samantha Lynn McGreer Winstead billed Medicare for 33 services in 2024
CMS data shows 33 Medicare services from Dr. Winstead across 1 procedure code in 2024, for 37 Medicare patients. Medicare paid $1,976 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Winstead compared with the Wisconsin median for internists, 2024
- Dr. Winstead
- Wisconsin median
- Medicare services
- 33vs 45793% below
- Medicare patients
- 37vs 19981% below
- Part D claims
- 73vs 43383% below
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Winstead'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
Dr. Samantha Lynn McGreer Winstead treated 37 Medicare patients in 2024, average age 69
CMS counts 37 Medicare patients who saw Dr. Winstead in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 68% are also on Medicaid. Their average risk score is 1.93, 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. Winstead's median patient age at 56, with 59% women.
Dr. Winstead's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Winstead's Medicare patients by sex, 2024
- Women2259%
- Men1541%
Chronic conditions among Dr. Winstead's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis57%
- Diabetes51%
- Chronic kidney disease43%
- Depression35%
- Mood disorders35%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Winstead's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samantha Lynn McGreer Winstead wrote 228 Medicare Part D claims in 2024
In 2024, Dr. Winstead wrote 228 Medicare Part D claims for 32 patients. 89% of them were for generic drugs. CMS names the drug for 73 of them, across 5 drugs with 11 or more claims each, at $766 in total drug cost. In 2023, CMS named 43 claims across 3 drugs.
Dr. Winstead's Part D claims by kind of drug, 2024
- Generic202 claims89%
- Brand-name and other26 claims11%
Dr. Winstead'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: 432024: 7370%
Drugs named by CMS: 5 in 2024, 3 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. Samantha Lynn McGreer Winstead scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Winstead for performance year 2024, reported as part of a group. Dr. Winstead accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Winstead's MIPS scores, performance year 2024
- 87of 100Final score
- 59.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
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)
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Dr. Samantha Lynn McGreer Winstead received $42 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Winstead from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Dynavax Technologies Corporation paid the most, $24.
Companies that paid Dr. Winstead the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samantha Lynn McGreer Winstead graduated from Illinois Medical College
Dr. Winstead graduated from Illinois Medical College in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Samantha Lynn McGreer Winstead'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 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 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) |
| 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. Samantha Lynn McGreer Winstead
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. Samantha Lynn McGreer Winstead's NPI number?
Dr. Samantha Lynn McGreer Winstead's NPI number is 1033670047. It was assigned on March 31, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Samantha Lynn McGreer Winstead?
Dr. Samantha Lynn McGreer Winstead is an internist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samantha Lynn McGreer Winstead practice?
Dr. Winstead practices at 2311 N Prospect Ave, Milwaukee, WI 53211. Dr. Winstead's primary practice is Ascension Columbia St Mary's Hospital Milwaukee in Milwaukee, Wisconsin. Dmand AI also links Dr. Winstead to 1 group practice or clinic.
What is Dr. Samantha Lynn McGreer Winstead's office phone number?
The practice phone on file for Dr. Winstead is (414) 585-1000.
What is Dr. Samantha Lynn McGreer Winstead's medical license number?
Dr. Winstead holds Wisconsin license 83964-20, one of the licenses on file in 2 states.
Which states has Dr. Samantha Lynn McGreer Winstead been licensed in?
Dmand AI has state licenses on file for Dr. Winstead in Wisconsin and Missouri.
Which hospitals is Dr. Samantha Lynn McGreer Winstead affiliated with?
Dr. Winstead is affiliated with Ascension Columbia St. Mary's Hospital - Milwaukee Campus.
What medical group is Dr. Samantha Lynn McGreer Winstead part of?
Dr. Winstead is linked to Ascension Columbia St. Mary's Hospital - Milwaukee Campus.
Does Dr. Samantha Lynn McGreer Winstead accept Medicare?
Yes. CMS data shows Dr. Winstead billed Medicare for 33 services in 2024, and Dr. Winstead accepts Medicare assignment.
What is Dr. Samantha Lynn McGreer Winstead's MIPS score?
Dr. Winstead's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Samantha Lynn McGreer Winstead see?
CMS counts 37 Medicare patients who saw Dr. Winstead in 2024, with an average age of 69.
What services does Dr. Samantha Lynn McGreer Winstead bill to Medicare?
In 2024, Dr. Winstead's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Samantha Lynn McGreer Winstead go to medical school?
Dr. Winstead graduated from Illinois Medical College in 2019.
What drugs does Dr. Samantha Lynn McGreer Winstead prescribe most?
In 2024 Medicare Part D data, Dr. Winstead's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Samantha Lynn McGreer Winstead received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Winstead from 2 companies from 2024 to 2024. The largest total came from Dynavax Technologies Corporation.
How long has Dr. Samantha Lynn McGreer Winstead been practicing?
Dr. Winstead graduated from medical school in 2019, 7 years ago.
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