What is John Martin's NPI number?

John Martin's National Provider Identifier (NPI) is 1417921271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Martin's specialty?

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

Where is John Martin located?

John Martin's practice location on file with NPPES is 29 S Webster St, Naperville, IL 60540-5356.

What is John Martin's phone number?

The practice phone number listed in the NPPES registry for John Martin is (630) 355-9933.

Is John Martin's NPI active?

Yes — John Martin's NPI (1417921271) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Martin, PH.D.

NPI 1417921271 · Psychologist · Naperville, IL

John Martin, PH.D. is a Psychologist provider in Naperville, IL (NPI 1417921271).

Provider details

NPI number: 1417921271
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male

Specialties & taxonomies

PsychologistPrimary103T00000X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(84/100 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
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

29 S Webster St

Suite 220

Naperville, IL 60540-5356

Phone: (630) 355-9933

Street-level locationGet directions

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Mailing address