Mark Brown, MD
NPI 1932318078 · Psychiatry Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brown, MD is a Psychiatry Physician provider in Clackamas, OR (NPI 1932318078).
Provider details
- NPI number
- 1932318078
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 38004 (AZ)
Specialties & taxonomies
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 194 | 43 |
| Quetiapine Fumarate | 165 | 32 |
| Clonazepam | 138 | 24 |
| Bupropion Hclbrand: Bupropion Xl | 133 | 28 |
| Lamotrigine | 121 | 27 |
| Fluoxetine Hcl | 107 | 29 |
| Prazosin Hcl | 96 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2021-03-10
- Certified
- 2021-03-10
Frequently asked questions
- What is Mark Brown's NPI number?
- Mark Brown's National Provider Identifier (NPI) is 1932318078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brown's specialty?
- Mark Brown is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Brown located?
- Mark Brown's practice location on file with NPPES is 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750.
- What is Mark Brown's phone number?
- The practice phone number listed in the NPPES registry for Mark Brown is (035) 249-3434.
- Does Mark Brown accept Medicare?
- Mark Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brown's NPI active?
- Yes — Mark Brown's NPI (1932318078) is active in the NPPES registry as of the last update on 2021-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.