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MISS HILLARY MASTROSIMONE
NPI 1336483973
Marriage & Family Therapist in Pasadena, CA

Active since November 20, 2012
65 N MADISON AVE, SUITE 302, PASADENA, CA 91101(626) 587-2827 Get Directions Write a Review

NPPES record last updated: January 1, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Miss Hillary Mastrosimone NPPES

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

MISS HILLARY MASTROSIMONE (NPI 1336483973) is an individual marriage & family therapist in Pasadena, California and active in the NPI registry since November 2012.

NPPES Registry Identity

NPI1336483973
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMISS HILLARY MASTROSIMONE
Location Address65 N MADISON AVE, SUITE 302Pasadena, CA 91101-2035
Mailing AddressPo Box 1085Glendora, CA 91740-1085
Phone(626) 587-2827
Sole ProprietorNo
Enumeration DateNovember 20, 2012
Last NPPES UpdateJanuary 1, 2016
✔ NPI 1336483973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
65 N MADISON AVE, Pasadena, CA 91101
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Other Providers at the Same Location NPPES 20

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

PACIFIC REPRODUCTIVE SERVICES, INC.
Nurse Practitioner (Family)
65 N MADISON AVE, SUITE 610
PASADENA, CA 91101
Los Angeles County (626) 432-1681
MANNING & TU LLC
Pharmacy (Community/Retail Pharmacy)
65 N MADISON AVE
PASADENA, CA 91101
Los Angeles County (626) 578-9991
MRS. ALLISON MARIE CURTIS NP
Nurse Practitioner (Family)
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Los Angeles County (626) 792-3141
MADISON RADIOLOGY MEDICAL GROUP, INC.
Radiology (Diagnostic Radiology)
65 N MADISON AVE, LOWER LEVEL
PASADENA, CA 91101
Los Angeles County (626) 793-8189
MARIA FLORES PHD, MFT
Marriage & Family Therapist
65 N MADISON AVE, STE 612
PASADENA, CA 91101
Los Angeles County (818) 512-9579
JAMES R. ESTHER,M.D.,INC
Dermatology
65 N MADISON AVE, SUITE 409
PASADENA, CA 91101
Los Angeles County (626) 796-2695
PASADENA PODIATRY A PROFESSIONAL CORPORATION
Podiatrist (Foot & Ankle Surgery)
65 N MADISON AVE, SUITE 512
PASADENA, CA 91101
Los Angeles County (626) 577-0700
LESLIE A DUDLEY MD
Internal Medicine
65 N MADISON AVE, SUITE 800
PASADENA, CA 91101
Los Angeles County (626) 792-3141

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 Hillary Mastrosimone's NPI number?

The NPI number for Hillary Mastrosimone is 1336483973. It was assigned to this individual provider in the NPPES registry on November 20, 2012.

Where is Hillary Mastrosimone located?

Hillary Mastrosimone practices at 65 N Madison Ave Suite 302, Pasadena, CA 91101. The listed phone number is (626) 587-2827.

What is Hillary Mastrosimone's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Hillary Mastrosimone was last updated on January 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.