Winston Chung, M.D.
NPI 1881960417 · Psychiatry Physician · Portland, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winston Chung, M.D. is a Psychiatry Physician provider in Portland, ME (NPI 1881960417).
Provider details
- NPI number
- 1881960417
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 042.0013368 (VT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
77 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $139 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 14 | $34 |
Typical Medicare-allowed amounts for these services range $34–$139 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 40 |
| Aripiprazole | 29 |
| Fluoxetine Hcl | 28 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 25 |
| Risperidone | 19 |
| Sertraline Hcl | 16 |
| Methylphenidate Hclbrand: Concerta | 14 |
| Divalproex Sodium | 14 |
| Olanzapine | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 22 Bramhall StPortland, ME 04102-3175Phone: (207) 662-0111
Registry dates
- Enumerated
- 2012-03-28
- Last updated
- 2023-09-28
- Certified
- 2023-09-28
Frequently asked questions
- What is Winston Chung's NPI number?
- Winston Chung's National Provider Identifier (NPI) is 1881960417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winston Chung's specialty?
- Winston Chung is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Winston Chung located?
- Winston Chung's practice location on file with NPPES is 37 Andover Rd, Portland, ME 04102-1936.
- What is Winston Chung's phone number?
- The practice phone number listed in the NPPES registry for Winston Chung is (207) 661-3600.
- Does Winston Chung accept Medicare?
- Winston Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winston Chung's NPI active?
- Yes — Winston Chung's NPI (1881960417) is active in the NPPES registry as of the last update on 2023-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.