What is Roy Marks's NPI number?

Roy Marks's National Provider Identifier (NPI) is 1154365955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Roy Marks's specialty?

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

Where is Roy Marks located?

Roy Marks's practice location on file with NPPES is 5524 Grant Pl, Saint Louis, MO 63116-3304.

What is Roy Marks's phone number?

The practice phone number listed in the NPPES registry for Roy Marks is (314) 721-2155.

Is Roy Marks's NPI active?

Yes — Roy Marks's NPI (1154365955) is active in the NPPES registry as of the last update on 2021-07-19.

IndividualActive

Roy Marks, M.A., L.C.S.W.

NPI 1154365955 · Psychologist · Saint Louis, MO

Roy Marks, M.A., L.C.S.W. is a Psychologist provider in Saint Louis, MO (NPI 1154365955).

Provider details

NPI number: 1154365955
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: M.A., L.C.S.W.
Sex: Male
License: 002304 (MO)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 002304 (MO)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 yrs 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

5524 Grant Pl

Saint Louis, MO 63116-3304

Phone: (314) 721-2155

Fax: (314) 457-0611

Street-level locationGet directions

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Mailing address