Olga Markumas-Viera, LMHC
NPI 1811509706 · Mental Health Counselor · White Plains, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Markumas-Viera, LMHC is a Mental Health Counselor provider in White Plains, NY (NPI 1811509706).
Provider details
- NPI number
- 1811509706
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
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
5 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-08-20
- Last updated
- 2020-08-20
- Certified
- 2020-08-20
Frequently asked questions
- What is Olga Markumas-Viera's NPI number?
- Olga Markumas-Viera's National Provider Identifier (NPI) is 1811509706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Markumas-Viera's specialty?
- Olga Markumas-Viera is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Olga Markumas-Viera located?
- Olga Markumas-Viera's practice location on file with NPPES is 79 E Post Rd, White Plains, NY 10601-5008.
- What is Olga Markumas-Viera's phone number?
- The practice phone number listed in the NPPES registry for Olga Markumas-Viera is (914) 286-4440.
- Does Olga Markumas-Viera accept Medicare?
- Olga Markumas-Viera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Markumas-Viera's NPI active?
- Yes — Olga Markumas-Viera's NPI (1811509706) is active in the NPPES registry as of the last update on 2020-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.