Clark Sisk, M.D.
NPI 1154436830 · Dermatology Physician · Portland, OR
Clark Sisk, M.D. is a Dermatology Physician provider in Portland, OR (NPI 1154436830).
Provider details
- NPI number
- 1154436830
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OR MD12188 (OR)
Specialties & taxonomies
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2007-07-09
Frequently asked questions
- What is Clark Sisk's NPI number?
- Clark Sisk's National Provider Identifier (NPI) is 1154436830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clark Sisk's specialty?
- Clark Sisk is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Clark Sisk located?
- Clark Sisk's practice location on file with NPPES is 3600 N Interstate Ave, Portland, OR 97227-1106.
- What is Clark Sisk's phone number?
- The practice phone number listed in the NPPES registry for Clark Sisk is (503) 331-3033.
- Is Clark Sisk's NPI active?
- Yes — Clark Sisk's NPI (1154436830) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.