Mariah Mason, MD
NPI 1558629188 · Dermatology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Mason, MD is a Dermatology Physician provider in Portland, OR (NPI 1558629188).
Provider details
- NPI number
- 1558629188
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD176412 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 120 | 59 |
| Fluorouracil | 109 | 95 |
| Triamcinolone Acetonide | 41 | 25 |
| Methotrexate Sodiumbrand: Methotrexate | 34 | — |
| Hydrocortisone | 33 | 23 |
| Tacrolimus | 28 | 24 |
| Doxycycline Monohydrate | 28 | 11 |
| Minoxidil | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-02
- Last updated
- 2016-08-30
Frequently asked questions
- What is Mariah Mason's NPI number?
- Mariah Mason's National Provider Identifier (NPI) is 1558629188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Mason's specialty?
- Mariah Mason is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariah Mason located?
- Mariah Mason's practice location on file with NPPES is 3600 N Interstate Ave, Portland, OR 97227-1106.
- What is Mariah Mason's phone number?
- The practice phone number listed in the NPPES registry for Mariah Mason is (971) 278-8401.
- Does Mariah Mason accept Medicare?
- Mariah Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Mason's NPI active?
- Yes — Mariah Mason's NPI (1558629188) is active in the NPPES registry as of the last update on 2016-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.