Osayamen Dereng
NPI 1326591595 · Psychiatric/Mental Health Nurse Practitioner · Antioch, CA
Osayamen Dereng is a Psychiatric/Mental Health Nurse Practitioner provider in Antioch, CA (NPI 1326591595).
Provider details
- NPI number
- 1326591595
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 634659 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-07-25
- Last updated
- 2019-05-17
Frequently asked questions
- What is Osayamen Dereng's NPI number?
- Osayamen Dereng's National Provider Identifier (NPI) is 1326591595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osayamen Dereng's specialty?
- Osayamen Dereng is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Osayamen Dereng located?
- Osayamen Dereng's practice location on file with NPPES is 5497 Rathdrum Way, Antioch, CA 94531-8681.
- What is Osayamen Dereng's phone number?
- The practice phone number listed in the NPPES registry for Osayamen Dereng is (510) 415-1235.
- Is Osayamen Dereng's NPI active?
- Yes — Osayamen Dereng's NPI (1326591595) is active in the NPPES registry as of the last update on 2019-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.