What is Holly Martin's NPI number?

Holly Martin's National Provider Identifier (NPI) is 1639041676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Holly Martin's specialty?

Holly Martin is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).

Where is Holly Martin located?

Holly Martin's practice location on file with NPPES is 10910 Clarksville Pike, Ellicott City, MD 21042-6106.

What is Holly Martin's phone number?

The practice phone number listed in the NPPES registry for Holly Martin is (410) 313-7057.

Is Holly Martin's NPI active?

Yes — Holly Martin's NPI (1639041676) is active in the NPPES registry as of the last update on 2025-09-19.

IndividualActive

Holly Martin

NPI 1639041676 · School Psychologist · Ellicott City, MD

Holly Martin is a School Psychologist provider in Ellicott City, MD (NPI 1639041676).

Provider details

NPI number: 1639041676
Entity type: Individual
Primary specialty: School PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

School PsychologistPrimary103TS0200X
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

10910 Clarksville Pike

Ellicott City, MD 21042-6106

Phone: (410) 313-7057

Street-level locationGet directions

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Mailing address