James Winston, M.D.
NPI 1124111893 · Psychiatry Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Winston, M.D. is a Psychiatry Physician provider in Milwaukee, WI (NPI 1124111893).
Provider details
- NPI number
- 1124111893
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 26078-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,259 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 701 | $110 |
| Treatment Using Magnetic Field to Stimulate Nerve Cells in Brain, Subsequent Delivery and Management90868 | 519 | $202 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $79 |
| Treatment Using Magnetic Field to Stimulate Nerve Cells in Brain, Initial Delivery and Management90867 | 17 | $350 |
Typical Medicare-allowed amounts for these services range $79–$350 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 470 | 55 |
| Alprazolam | 360 | 43 |
| Fluoxetine Hcl | 326 | 57 |
| Lamotrigine | 323 | 50 |
| Quetiapine Fumarate | 286 | 35 |
| Zolpidem Tartrate | 273 | 31 |
| Duloxetine Hcl | 252 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,979 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 15285 Watertown Plank RdElm Grove, WI 53122-2339Phone: (262) 797-2818Fax: (262) 797-2814
- 1240 W Ranchito LnMequon, WI 53092-6089Phone: (262) 241-3231Fax: (232) 241-4311
- 7330 W Layton AveMilwaukee, WI 53220-3849Phone: (414) 281-1677Fax: (414) 281-9884
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is James Winston's NPI number?
- James Winston's National Provider Identifier (NPI) is 1124111893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Winston's specialty?
- James Winston is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is James Winston located?
- James Winston's practice location on file with NPPES is 10424 W Bluemound Rd, Milwaukee, WI 53226-4331.
- What is James Winston's phone number?
- The practice phone number listed in the NPPES registry for James Winston is (414) 774-1794.
- Does James Winston accept Medicare?
- James Winston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Winston's NPI active?
- Yes — James Winston's NPI (1124111893) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.