Stephen Markus, MD
NPI 1225198708 · Psychiatry Physician · Bellevue, WA
Stephen Markus, MD is a Psychiatry Physician provider in Bellevue, WA (NPI 1225198708).
Provider details
- NPI number
- 1225198708
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00021837 (WA)
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
2 documented practice locations
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
Additional practice locations (1)
- 2600 Newport Blvd Ste 134Newport Beach, CA 92663-3747Phone: (949) 220-0882
Registry dates
- Enumerated
- 2006-12-12
- Last updated
- 2022-07-21
Frequently asked questions
- What is Stephen Markus's NPI number?
- Stephen Markus's National Provider Identifier (NPI) is 1225198708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Markus's specialty?
- Stephen Markus is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Markus located?
- Stephen Markus's practice location on file with NPPES is 1560 140th Ave Ne, Bellevue, WA 98005.
- What is Stephen Markus's phone number?
- The practice phone number listed in the NPPES registry for Stephen Markus is (425) 644-6048.
- Is Stephen Markus's NPI active?
- Yes — Stephen Markus's NPI (1225198708) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.