1. Home
  2. Directory
  3. California
  4. Long Beach
  5. Psychologist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MEGAN E GIETZEN PSY.D.
NPI 1225311806
Psychologist - Clinical in Long Beach, CA

Active since September 21, 2011PECOS Enrolled
4500 E PACIFIC COAST STE 320, LONG BEACH, CA 90804(925) 282-1778(415) 296-5299 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2026, Jan 6, 2023, Mar 23, 2021 and 1 more (4 updates tracked since 2017).

About Dr. Megan E Gietzen Psy.d. NPPES

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

DR. MEGAN E GIETZEN PSY.D. (NPI 1225311806) is an individual clinical provider in Long Beach, California, licensed in California (PSY32415) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225311806
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MEGAN E GIETZENCredential: PSY.D.
Location Address4500 E PACIFIC COAST STE 320Long Beach, CA 90804-3271
Mailing Address1536 W 25th StSan Pedro, CA 90732-4415 · (562) 549-1759
Phone(925) 282-1778
Fax(415) 296-5299
Sole ProprietorYes
Enumeration DateSeptember 21, 2011
Last NPPES UpdateOctober 8, 20264 updates tracked since enumeration
NPPES CertifiedOctober 8, 2026
✔ NPI 1225311806 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 · PSY32415
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.
4500 E PACIFIC COAST STE 320, Long Beach, CA 90804
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 (PECOS)

Dr. Megan E Gietzen Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Megan Gietzen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memory Check Psychological Services, A Professional Corporation
80 mi
Clinical
1902 WRIGHT PL FL CENTER2
Carlsbad, CA 92008
  • Reassigned Medicare billing, California enrollment
  • 223 clinicians in this Medicare group
NPI 1912184219 (888) 515-3834

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

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
165 services164 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
137 services51 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
53 services37 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
40 services22 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
17 services17 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
17 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90804 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.

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 Megan Gietzen's NPI number?

The NPI number for Megan Gietzen is 1225311806. It was assigned to this individual provider in the NPPES registry on September 21, 2011.

Where is Megan Gietzen located?

Megan Gietzen practices at 4500 E Pacific Coast Ste 320, Long Beach, CA 90804. The listed phone number is (925) 282-1778.

What is Megan Gietzen's specialty?

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

Is Megan Gietzen enrolled in Medicare?

Yes. Megan Gietzen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Megan Gietzen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Gietzen reassigns Medicare benefits to Memory Check Psychological Services, A Professional Corporation (Carlsbad, 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 Megan Gietzen'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 Megan Gietzen was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.