OrganizationActive
Joseph W Tietz
NPI 1649668377 · Preferred Provider Organization · Berkeley, CA
Joseph W Tietz is a Preferred Provider Organization organization in Berkeley, CA (NPI 1649668377).
Provider details
- NPI number
- 1649668377
- Entity type
- Organization
- Primary specialty
- Preferred Provider OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Joseph Tietz, Clinical Psychologist(510) 912-3438
- License
- 22884 (CA)
Specialties & taxonomies
Managed Care Organizations
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
1538 Edith St
Berkeley, CA 94703-1154
Phone: (510) 912-3438
Street-level locationGet directions
Mailing address
1538 Edith St
Berkeley, CA 94703-1154
Registry dates
- Enumerated
- 2015-01-05
- Last updated
- 2015-01-05
Frequently asked questions
- What is Joseph W Tietz's NPI number?
- Joseph W Tietz's National Provider Identifier (NPI) is 1649668377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joseph W Tietz?
- Joseph W Tietz is classified in the NPPES registry as Preferred Provider Organization (Managed Care Organizations).
- Where is Joseph W Tietz located?
- Joseph W Tietz's practice location on file with NPPES is 1538 Edith St, Berkeley, CA 94703-1154.
- What is Joseph W Tietz's phone number?
- The practice phone number listed in the NPPES registry for Joseph W Tietz is (510) 912-3438.
- Who is the authorized official for Joseph W Tietz?
- The authorized official listed on Joseph W Tietz's NPPES record is Joseph Tietz, Clinical Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joseph W Tietz's NPI active?
- Yes — Joseph W Tietz's NPI (1649668377) is active in the NPPES registry as of the last update on 2015-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.