What is Sergio Lopez's NPI number?

Sergio Lopez's National Provider Identifier (NPI) is 1104791631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sergio Lopez's specialty?

Sergio Lopez is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is Sergio Lopez located?

Sergio Lopez's practice location on file with NPPES is 41800 Blacow Rd, Fremont, CA 94538-3353.

What is Sergio Lopez's phone number?

The practice phone number listed in the NPPES registry for Sergio Lopez is (510) 656-5711.

Is Sergio Lopez's NPI active?

Yes — Sergio Lopez's NPI (1104791631) is active in the NPPES registry as of the last update on 2025-10-06.

IndividualActive

Sergio Lopez

NPI 1104791631 · Counselor · Fremont, CA

Sergio Lopez is a Counselor provider in Fremont, CA (NPI 1104791631).

Provider details

NPI number: 1104791631
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

CounselorPrimary101Y00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

41800 Blacow Rd

Fremont, CA 94538-3353

Phone: (510) 656-5711

Approximate (ZIP-level) locationGet directions

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Mailing address