DR. KRISTIN SCHWELLENBACH MERRILL PH.D.
NPI 1295972263
Psychologist - Clinical in Mission Viejo, CA

Q: What is Kristin Merrill's NPI number?

The NPI number for Kristin Merrill is 1295972263. It was assigned to this individual provider in the NPPES registry on January 13, 2009. The provider is also known as Dr. Kristin Anne Schwellenbach Ph.D..

Q: What is Kristin Merrill's specialty?

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

Q: Is Kristin Merrill enrolled in Medicare?

No. Kristin Merrill has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Kristin Merrill was last updated on July 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since January 13, 2009Opted out of Medicare · through Oct 1, 2027

27405 PUERTA REAL STE 330, MISSION VIEJO, CA 92691(949) 599-8689(949) 599-8689 Get Directions Write a Review

NPPES record last updated: July 13, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Kristin Schwellenbach Merrill Ph.d. NPPES

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

DR. KRISTIN SCHWELLENBACH MERRILL PH.D. (NPI 1295972263) is an individual clinical provider in Mission Viejo, California, licensed in California (PSY22402) and active in the NPI registry since January 2009. She has opted out of Medicare through October 1, 2027.

NPPES Registry Identity

NPI1295972263

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. KRISTIN SCHWELLENBACH MERRILLCredential: PH.D.

Location Address27405 PUERTA REAL STE 330Mission Viejo, CA 92691

Mailing Address27405 Puerta Real Ste 330Mission Viejo, CA 92691-6358 · (949) 599-8689 · Fax (949) 449-8280

Phone(949) 599-8689

Fax(949) 599-8689

Sole ProprietorYes

Enumeration DateJanuary 13, 2009

Last NPPES UpdateJuly 13, 2018

✔ NPI 1295972263 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 · PSY22402

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.

27405 PUERTA REAL STE 330, Mission Viejo, CA 92691

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Other Names 1

Former Name (1)Dr. Kristin Anne Schwellenbach Ph.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Kristin Schwellenbach Merrill Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2025 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2025

Opt-Out In Effect ThroughOctober 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

LAUREN SHERRELL L.AC.

Acupuncturist

27405 PUERTA REAL STE 330
MISSION VIEJO, CA 92691

Orange County (949) 370-1961

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 Kristin Merrill's NPI number?

The NPI number for Kristin Merrill is 1295972263. It was assigned to this individual provider in the NPPES registry on January 13, 2009. The provider is also known as Dr. Kristin Anne Schwellenbach Ph.D..

Where is Kristin Merrill located?

Kristin Merrill practices at 27405 Puerta Real Ste 330, Mission Viejo, CA 92691. The listed phone number is (949) 599-8689.

What is Kristin Merrill's specialty?

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

Is Kristin Merrill enrolled in Medicare?

No. Kristin Merrill has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Kristin Merrill was last updated on July 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.