Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN A MULLEN PHD
NPI 1700873577
Psychologist - Clinical in Racine, WI

Q: What is John Mullen's NPI number?

The NPI number for John Mullen is 1700873577. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is John Mullen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for John Mullen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 05, 2005

1244 WISCONSIN AVE, SUITE 303, RACINE, WI 53403(262) 635-5520(262) 635-5530 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About John A Mullen Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN A MULLEN PHD (NPI 1700873577) is an individual clinical provider in Racine, Wisconsin, licensed in Wisconsin (517-057) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1700873577

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameJOHN A MULLENCredential: PHD

Location Address1244 WISCONSIN AVE, SUITE 303Racine, WI 53403-1987

Mailing Address1244 Wisconsin Ave, Suite 303Racine, WI 53403-1987 · (262) 635-5520 · Fax (262) 635-5530

Phone(262) 635-5520

Fax(262) 635-5530

Sole ProprietorNo

Enumeration DateOctober 5, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1700873577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in WI · 517-057

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1244 WISCONSIN AVE, Racine, WI 53403

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Other Identifiers 1

Medicaid39076500WI

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW ANTHONY HETTENBACH PMHNP

Nurse Practitioner (Psychiatric/Mental Health)

1244 WISCONSIN AVE
RACINE, WI 53403

Racine County (262) 687-2956

RAYE MARIE SERRATOS APNP, PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

1244 WISCONSIN AVE
RACINE, WI 53403

Racine County (262) 627-9073

WILLIAM JAMES BJERREGAARD M.D.

Psychiatry & Neurology (Psychiatry)

1244 WISCONSIN AVE, SUITE 303
RACINE, WI 53403

Racine County (262) 635-5520

MR. TROY ROBERT GAUGER A.T.C., L.A.T.

Specialist/Technologist (Athletic Trainer)

1244 WISCONSIN AVE
RACINE, WI 53403

Racine County (262) 687-2685

STEPHANIE B HANSON LCSW

Social Worker (Clinical)

1244 WISCONSIN AVE, SUITE 303
RACINE, WI 53403

Racine County (262) 635-5520

ABIGAIL GRIFFEN PHARM.D.

Pharmacist

1244 WISCONSIN AVE
RACINE, WI 53403

Racine County (262) 687-2150

MR. ROBERT R UMHOEFER RPH

Pharmacist

1244 WISCONSIN AVE
RACINE, WI 53403

Racine County (262) 687-2150

MRS. NANCY RUTH MACZKA ADULT PMHNP

Nurse Practitioner (Psychiatric/Mental Health)

1244 WISCONSIN AVE, SUITE 300
RACINE, WI 53403

Racine County (262) 687-2219

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mullen's NPI number?

The NPI number for John Mullen is 1700873577. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is John Mullen located?

John Mullen practices at 1244 Wisconsin Ave Suite 303, Racine, WI 53403. The listed phone number is (262) 635-5520.

What is John Mullen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Mullen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.