1. Home
  2. Directory
  3. California
  4. Santa Clarita
  5. Psychologist
  6. NPI Profile

DR. JANET MILLER STIER PH.D.
NPI 1376809921
Psychologist - Clinical in Santa Clarita, CA

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment
21545 CENTRE POINTE PKWY, SANTA CLARITA, CA 91350(661) 259-9439(661) 259-9658 Get Directions Write a Review

NPPES record last updated: March 26, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Janet Miller Stier Ph.d. NPPES

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

DR. JANET MILLER STIER PH.D. (NPI 1376809921) is an individual clinical provider in Santa Clarita, California, licensed in California (PSY26204) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1376809921
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JANET MILLER STIERCredential: PH.D.
Location Address21545 CENTRE POINTE PKWYSanta Clarita, CA 91350-2947
Mailing Address21545 Centre Pointe PkwySanta Clarita, CA 91350-2947 · (661) 259-9439 · Fax (661) 259-9658
Phone(661) 259-9439
Fax(661) 259-9658
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateApril 9, 2012
Last NPPES UpdateMarch 26, 2014
✔ NPI 1376809921 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 CA · PSY26204
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.
21545 CENTRE POINTE PKWY, Santa Clarita, CA 91350
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Janet Miller Stier Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406189273
PECOS Enrollment IDI20190610002828
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Janet Stier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Janet M Stier Phd Clinical Psychologist PC
2.2 mi
Adolescent and Children Mental Health
23822 VALENCIA BLVD STE 203
Valencia, CA 91355
  • Reassigned Medicare billing, California enrollment
NPI 1861206781 (661) 310-8410

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91350 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ROMAN RUIZ MSW
Social Worker (Clinical)
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 259-9439
DAISY GOMEZ
Day Training/Habilitation Specialist
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 259-9439
DR. SALMA WAHIDI PSY. D
Psychologist (Clinical)
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 259-9439
MRS. SAYAKA MAEJIMA M.A.
Marriage & Family Therapist
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 309-5537
SHELLY BAER
Psychologist
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (818) 693-1108
ASHLEY NICOLE REILLY CATC II
Counselor (Addiction (Substance Use Disorder))
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 803-0524
MRS. ALICIA AGUILAR
Rehabilitation Practitioner
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 259-9439
JAMIE WILDER MFT
Marriage & Family Therapist
21545 CENTRE POINTE PKWY
SANTA CLARITA, CA 91350
Los Angeles County (661) 259-9439

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 Janet Stier's NPI number?

The NPI number for Janet Stier is 1376809921. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Janet Stier located?

Janet Stier practices at 21545 Centre Pointe Pkwy, Santa Clarita, CA 91350. The listed phone number is (661) 259-9439.

What is Janet Stier's specialty?

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

Is Janet Stier enrolled in Medicare?

Yes. Janet Stier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Janet Stier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janet Stier reassigns Medicare benefits to Janet M Stier Phd Clinical Psychologist PC (Valencia, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janet Stier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Janet Stier was last updated on March 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.