What is Romeo Mao's NPI number?

Romeo Mao's National Provider Identifier (NPI) is 1982420485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Romeo Mao's specialty?

Romeo Mao is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Romeo Mao located?

Romeo Mao's practice location on file with NPPES is 12437 Lewis St Ste 100, Garden Grove, CA 92840-4651.

What is Romeo Mao's phone number?

The practice phone number listed in the NPPES registry for Romeo Mao is (714) 202-0118.

Is Romeo Mao's NPI active?

Yes — Romeo Mao's NPI (1982420485) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Romeo Mao

NPI 1982420485 · Clinical Social Worker · Garden Grove, CA

Romeo Mao is a Clinical Social Worker provider in Garden Grove, CA (NPI 1982420485).

Provider details

NPI number: 1982420485
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: 106S00000X (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 106S00000X (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

12437 Lewis St Ste 100

Garden Grove, CA 92840-4651

Phone: (714) 202-0118

Street-level locationGet directions

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Mailing address