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Marlena Orthlieb, MGCS
NPI 1366095390 · Genetic Counselor (M.S.) · Walnut Creek, CA
Marlena Orthlieb, MGCS is a Genetic Counselor (M.S.) provider in Walnut Creek, CA (NPI 1366095390).
Provider details
- NPI number
- 1366095390
- Entity type
- Individual
- Primary specialty
- Genetic Counselor (M.S.)Other Service Providers
- Credential
- MGCS
- Sex
- Female
- Sole proprietor
- No
- License
- GC001139 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
110 Tampico
Walnut Creek, CA 94598-2998
Phone: (925) 891-9033
Street-level locationGet directions
Mailing address
110 Tampico Ste 100
Walnut Creek, CA 94598-2961
Registry dates
- Enumerated
- 2019-07-18
- Last updated
- 2020-07-10
- Certified
- 2020-07-10
Frequently asked questions
- What is Marlena Orthlieb's NPI number?
- Marlena Orthlieb's National Provider Identifier (NPI) is 1366095390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlena Orthlieb's specialty?
- Marlena Orthlieb is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).
- Where is Marlena Orthlieb located?
- Marlena Orthlieb's practice location on file with NPPES is 110 Tampico, Walnut Creek, CA 94598-2998.
- What is Marlena Orthlieb's phone number?
- The practice phone number listed in the NPPES registry for Marlena Orthlieb is (925) 891-9033.
- Is Marlena Orthlieb's NPI active?
- Yes — Marlena Orthlieb's NPI (1366095390) is active in the NPPES registry as of the last update on 2020-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.