Naomi Chan, PMHNP-BC, RN
NPI 1831791235 · Psychiatric/Mental Health Nurse Practitioner · Oakland, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naomi Chan, PMHNP-BC, RN is a Psychiatric/Mental Health Nurse Practitioner provider in Oakland, CA (NPI 1831791235).
Provider details
- NPI number
- 1831791235
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC, RN
- Sex
- Female
- Sole proprietor
- No
- License
- 95225060 (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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 179 | 22 |
| Risperidone | 103 | 13 |
| Quetiapine Fumarate | 74 | — |
| Haloperidol | 66 | — |
| Escitalopram Oxalate | 59 | — |
| Fluoxetine Hcl | 59 | — |
| Aripiprazole | 55 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 818 Webster StOakland, CA 94607-4220Phone: (510) 986-6800
Registry dates
- Enumerated
- 2020-11-10
- Last updated
- 2020-12-11
- Certified
- 2020-12-11
Frequently asked questions
- What is Naomi Chan's NPI number?
- Naomi Chan's National Provider Identifier (NPI) is 1831791235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naomi Chan's specialty?
- Naomi Chan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Naomi Chan located?
- Naomi Chan's practice location on file with NPPES is 310 8th St, Oakland, CA 94607-6526.
- What is Naomi Chan's phone number?
- The practice phone number listed in the NPPES registry for Naomi Chan is (510) 735-3900.
- Does Naomi Chan accept Medicare?
- Naomi Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naomi Chan's NPI active?
- Yes — Naomi Chan's NPI (1831791235) is active in the NPPES registry as of the last update on 2020-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.