Tam DO
NPI 1801426192 · Psychiatric/Mental Health Nurse Practitioner · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tam DO is a Psychiatric/Mental Health Nurse Practitioner provider in Costa Mesa, CA (NPI 1801426192).
Provider details
- NPI number
- 1801426192
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95017595 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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.
Practice location
Mailing address
Additional practice locations (2)
- 18111 Brookhurst St Ste 5400Fountain Valley, CA 92708-6728Phone: (949) 274-4323
- 24451 Health Center DrLaguna Hills, CA 92653-3689Phone: (949) 837-4500
Registry dates
- Enumerated
- 2020-01-25
- Last updated
- 2025-04-05
- Certified
- 2025-04-05
Frequently asked questions
- What is Tam DO's NPI number?
- Tam DO's National Provider Identifier (NPI) is 1801426192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tam DO's specialty?
- Tam DO is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tam DO located?
- Tam DO's practice location on file with NPPES is 2900 Bristol St Ste B205, Costa Mesa, CA 92626-5948.
- What is Tam DO's phone number?
- The practice phone number listed in the NPPES registry for Tam DO is (949) 274-4323.
- Does Tam DO accept Medicare?
- Tam DO is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tam DO's NPI active?
- Yes — Tam DO's NPI (1801426192) is active in the NPPES registry as of the last update on 2025-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.