What is Marlowe Keyser's NPI number?

Marlowe Keyser's National Provider Identifier (NPI) is 1629906847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marlowe Keyser's specialty?

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

Where is Marlowe Keyser located?

Marlowe Keyser's practice location on file with NPPES is 1644 Magnolia Ave, Redding, CA 96001-1513.

What is Marlowe Keyser's phone number?

The practice phone number listed in the NPPES registry for Marlowe Keyser is (530) 225-0200.

Is Marlowe Keyser's NPI active?

Yes — Marlowe Keyser's NPI (1629906847) is active in the NPPES registry as of the last update on 2026-05-09.

IndividualActive

Marlowe Keyser

NPI 1629906847 · Social Worker · Redding, CA

Marlowe Keyser is a Social Worker provider in Redding, CA (NPI 1629906847).

Provider details

NPI number: 1629906847
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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

1644 Magnolia Ave

Redding, CA 96001-1513

Phone: (530) 225-0200

Street-level locationGet directions

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Mailing address