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Genetic Counselor, MSs in Walnut Creek, CA

Browse 9 Genetic Counselor, MS providers listed in NPPES with a practice address in Walnut Creek, California.

9 Healthcare Providers

How Walnut Creek compares with the U.S.

9 active clinicians in Genetic Counselor, MS list a practice address in Walnut Creek, CA in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

None of the clinicians in Genetic Counselor, MS in Walnut Creek are listed in the CMS Medicare file.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“9 of 9 providers
With recent CMS data first, then Aโ€“Z

Joshua Ryan Barnhart , BS, MS

Genetic Counselor, MS

Active NPI Status
133 La Casa Via Ste 140, Walnut Creek, CA 945983005
Phone: 9259414092
NPI Identifier 1639794076
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Melinda Chang , MS, CGC

Genetic Counselor, MS

Active NPI Status
133 La Casa Via Ste 140, Walnut Creek, CA 945983005
Phone: 9259473378
NPI Identifier 1790466209
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Lincoln Johe , MS

Genetic Counselor, MS

Active NPI Status
133 La Casa Via Ste 140, Walnut Creek, CA 945983005
Phone: 9259414254
NPI Identifier 1154052827
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Andrie Klass , MS, CGC

Genetic Counselor, MS

Active NPI Status
2950 Buskirk Ave Ste 300, Walnut Creek, CA 945976900
Phone: 9252665777
NPI Identifier 1306185236
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Anna Kolbuszewska

Genetic Counselor, MS

Active NPI Status
110 Tampico Ste 100, Walnut Creek, CA 945982961
Phone: 9258919033
NPI Identifier 1770137499
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Kate Lamvik Loranger , MS, LCGC

Genetic Counselor, MS

Active NPI Status
133 La Casa Via Suite 140, Walnut Creek, CA 94598
Phone: 9259473322
NPI Identifier 1972702918
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Marlena Ling Luk Orthlieb , MGCS

Genetic Counselor, MS

Active NPI Status
110 Tampico, Walnut Creek, CA 945982998
Phone: 9258919033
NPI Identifier 1366095390
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Carol Lynn Symmons

Genetic Counselor, MS

Active NPI Status
110 Tampico Ste 100, Walnut Creek, CA 945982961
Phone: 9258919033
NPI Identifier 1588176275
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Margo Karen Thelander , MS, CGC

Genetic Counselor, MS

Active NPI Status
177 La Casa Via, Suite 1, Walnut Creek, CA 945986101
Phone: 9256742581
NPI Identifier 1316978216
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Frequently Asked Questions about Genetic Counselor, MS in Walnut Creek

How do I check a Genetic Counselor, MS practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.