Dr. Dock Gregory Winston, MD, MPH
- Medicare services, 2024
- 47
- Medicare patients, 2024
- 39
- Part D claims, 2024
- 399
- Industry payments
- $101
- Affiliated sites
- 3
- Practice address
- 1221 Mercantile Lane, Largo, MD 20774
- Practice phone
- Call (301) 300-8733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ambulatory Surgery Center at Largo Medical Center
Surgery Center - Medicare-Certified · Largo, Maryland
Find Dr. Winston's professional email, personal email and mobile number
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Dr. Dock Gregory Winston is a urologist in Upper Marlboro, Maryland
Dr. Winston practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland.
Dr. Winston's NPI, 1033379607, was assigned on June 16, 2008. Dr. Winston holds Maryland license D0076183.
- NPI
- 1033379607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103054598
- NPI enumeration date
- June 16, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 300-8733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dock Gregory Winston practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland
Dr. Winston's primary practice is Ambulatory Surgery Center at Largo Medical Center, at 1221 Mercantile Lane, Largo, MD 20774. The practice phone is (301) 300-8733.
- Ambulatory Surgery Center at Largo Medical Center1221 Mercantile Lane, Largo, MD 20774Phone(301) 300-8733
Source: Dmand AI Affiliation Data
Dr. Dock Gregory Winston is affiliated with 3 sites of care and 1 medical group
Dr. Winston's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Winston to 1 more dialysis center and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Dock Gregory Winston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winston practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ambulatory Surgery Center at Largo Medical Center | 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. Dock Gregory Winston is one of 268 urologists in Maryland
Urology is Dr. Winston's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Winston is licensed in Maryland.
Specialties and state licenses
- Urology, MarylandPrimary
Urologists near Dr. Winston
Counts of urologists 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. Dock Gregory Winston billed Medicare for 47 services in 2024
CMS data shows 47 Medicare services from Dr. Winston across 2 procedure codes in 2024, for 39 Medicare patients. Medicare paid $1,432 for them. Every service was in an office.
Dr. Winston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 232024: 244%
- Office and hospital visits
- 2023: 152024: 2353%
Dr. Winston compared with the Maryland median for urologists, 2024
- Dr. Winston
- Maryland median
- Medicare services
- 47vs 2,52298% below
- Medicare patients
- 39vs 69094% below
- Part D claims
- 303vs 60050% below
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Winston'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. Winston?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Winston and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dock Gregory Winston treated 39 Medicare patients in 2024, average age 73
CMS counts 39 Medicare patients who saw Dr. Winston in 2024. The largest group is 65 to 74, with 20 patients. 69% of them have high blood pressure, and 41% have high cholesterol. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Winston's median patient age at 62, with 18% women.
Dr. Winston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Winston's Medicare patients, 2024
- High blood pressure69%
- High cholesterol41%
- Diabetes36%
- Chronic kidney disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Winston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women18%
- Men80%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dock Gregory Winston wrote 399 Medicare Part D claims in 2024
In 2024, Dr. Winston wrote 399 Medicare Part D claims for 163 patients. 97% of them were for generic drugs. CMS names the drug for 303 of them, across 9 drugs with 11 or more claims each, at $4,496 in total drug cost. In 2023, CMS named 236 claims across 9 drugs.
Dr. Winston's Part D claims by kind of drug, 2024
- Generic389 claims97%
- Brand-name and other10 claims3%
Dr. Winston'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 Dr. Winston's Part D claims, 2024
- Opioids3%11 of 399 claims
- Antibiotics22%89 of 399 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: 2362024: 30328%
Drugs named by CMS: 9 in 2024, 9 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
How Dr. Dock Gregory Winston takes part in Medicare
Dr. Winston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dock Gregory Winston received $101 in industry payments from 2016 to 2017
CMS Open Payments shows 2 general payments to Dr. Winston from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $90.
General payments to Dr. Winston by program year, 2016 to 2017
Companies that paid Dr. Winston the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Dock Gregory Winston'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Dock Gregory Winston
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. Dock Gregory Winston's NPI number?
Dr. Dock Gregory Winston's NPI number is 1033379607. It was assigned on June 16, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Dock Gregory Winston?
Dr. Dock Gregory Winston is a urologist in Upper Marlboro, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Dock Gregory Winston practice?
Dr. Winston practices at 1221 Mercantile Lane, Largo, MD 20774. Dr. Winston's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dmand AI also links Dr. Winston to 1 dialysis center and 1 group practice or clinic.
What is Dr. Dock Gregory Winston's office phone number?
The practice phone on file for Dr. Winston is (301) 300-8733.
What is Dr. Dock Gregory Winston's medical license number?
Dr. Winston holds Maryland license D0076183.
What medical group is Dr. Dock Gregory Winston part of?
Dr. Winston is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Dock Gregory Winston accept Medicare?
Yes. CMS data shows Dr. Winston billed Medicare for 47 services in 2024, and Dr. Winston accepts Medicare assignment.
How many Medicare patients does Dr. Dock Gregory Winston see?
CMS counts 39 Medicare patients who saw Dr. Winston in 2024, with an average age of 73.
What services does Dr. Dock Gregory Winston bill to Medicare?
In 2024, Dr. Winston's most billed Medicare services were medical service (98966) and office visit, established patient (99213).
What drugs does Dr. Dock Gregory Winston prescribe most?
In 2024 Medicare Part D data, Dr. Winston's most prescribed drugs by claims were Tamsulosin HCl, Tadalafil and Finasteride.
Has Dr. Dock Gregory Winston received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Dr. Winston from 2 companies from 2016 to 2017. The largest total came from ViiV Healthcare Company.
How long has Dr. Dock Gregory Winston been practicing?
Dr. Winston graduated from medical school in 2008, 18 years ago.
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