Synde Acks, Psy.d, Professional Inc.
NPI 1215622337 · Mental Health Clinic/Center (Including Community Mental Health Center) · Sebastopol, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Synde Acks, Psy.d, Professional Inc. is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Sebastopol, CA (NPI 1215622337).
Provider details
- NPI number
- 1215622337
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Cynthia Acks-Stewart, Owner(707) 480-7119
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Registry dates
- Enumerated
- 2023-04-05
- Last updated
- 2023-05-05
- Certified
- 2023-05-05
Frequently asked questions
- What is Synde Acks, Psy.d, Professional Inc.'s NPI number?
- Synde Acks, Psy.d, Professional Inc.'s National Provider Identifier (NPI) is 1215622337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Synde Acks, Psy.d, Professional Inc.?
- Synde Acks, Psy.d, Professional Inc. is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Synde Acks, Psy.d, Professional Inc. located?
- Synde Acks, Psy.d, Professional Inc.'s practice location on file with NPPES is 435 Petaluma Ave Ste 136, Sebastopol, CA 95472-4273.
- What is Synde Acks, Psy.d, Professional Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Synde Acks, Psy.d, Professional Inc. is (707) 387-0245.
- Does Synde Acks, Psy.d, Professional Inc. accept Medicare?
- Synde Acks, Psy.d, Professional Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Synde Acks, Psy.d, Professional Inc.?
- The authorized official listed on Synde Acks, Psy.d, Professional Inc.'s NPPES record is Cynthia Acks-Stewart, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Synde Acks, Psy.d, Professional Inc.'s NPI active?
- Yes — Synde Acks, Psy.d, Professional Inc.'s NPI (1215622337) is active in the NPPES registry as of the last update on 2023-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.