Olga Marchenkova, LPC
NPI 1518697895 · Professional Counselor · Portland, OR
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Marchenkova, LPC is a Professional Counselor provider in Portland, OR (NPI 1518697895).
Provider details
- NPI number
- 1518697895
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 1441 Se 122nd AvePortland, OR 97233-1270Phone: (503) 933-0129
Registry dates
- Enumerated
- 2022-06-10
- Last updated
- 2023-09-05
- Certified
- 2023-09-05
Frequently asked questions
- What is Olga Marchenkova's NPI number?
- Olga Marchenkova's National Provider Identifier (NPI) is 1518697895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Marchenkova's specialty?
- Olga Marchenkova is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Olga Marchenkova located?
- Olga Marchenkova's practice location on file with NPPES is 605 Se Cesar E Chavez Blvd, Portland, OR 97214-3216.
- What is Olga Marchenkova's phone number?
- The practice phone number listed in the NPPES registry for Olga Marchenkova is (503) 231-7480.
- Does Olga Marchenkova accept Medicare?
- Olga Marchenkova is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Marchenkova's NPI active?
- Yes — Olga Marchenkova's NPI (1518697895) is active in the NPPES registry as of the last update on 2023-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.