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Susan Lyon, PHD
NPI 1588861223 · Mental Health Counselor · Piedmont, CA
Susan Lyon, PHD is a Mental Health Counselor provider in Piedmont, CA (NPI 1588861223).
Provider details
- NPI number
- 1588861223
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSB32653 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
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
1250 Grand Ave
Piedmont, CA 94610-1002
Phone: (510) 655-7880
Fax: (510) 655-3379
Approximate (ZIP-level) locationGet directions
Mailing address
6 Carl St
San Francisco, CA 94117-3953
Registry dates
- Enumerated
- 2007-06-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Susan Lyon's NPI number?
- Susan Lyon's National Provider Identifier (NPI) is 1588861223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Lyon's specialty?
- Susan Lyon is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Susan Lyon located?
- Susan Lyon's practice location on file with NPPES is 1250 Grand Ave, Piedmont, CA 94610-1002.
- What is Susan Lyon's phone number?
- The practice phone number listed in the NPPES registry for Susan Lyon is (510) 655-7880.
- Is Susan Lyon's NPI active?
- Yes — Susan Lyon's NPI (1588861223) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.