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DR. LOREN GERSTEIN PH.D.
NPI 1366574139
Psychologist - Clinical in Santa Rosa, CA

Active since March 09, 2007Opted out of Medicare · through Jul 1, 2027
633 CHERRY ST, SANTA ROSA, CA 95404(707) 706-3288(707) 576-7875 Get Directions Write a Review

NPPES record last updated: January 27, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Loren Gerstein Ph.d. NPPES

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

DR. LOREN GERSTEIN PH.D. (NPI 1366574139) is an individual clinical provider in Santa Rosa, California, licensed in California (PSY15737) and active in the NPI registry since March 2007. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1366574139
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. LOREN GERSTEINCredential: PH.D.
Location Address633 CHERRY STSanta Rosa, CA 95404-4202
Mailing Address633 Cherry StSanta Rosa, CA 95404-4202 · (707) 706-3288 · Fax (707) 576-7875
Phone(707) 706-3288
Fax(707) 576-7875
Sole ProprietorYes
Enumeration DateMarch 9, 2007
Last NPPES UpdateJanuary 27, 2012
✔ NPI 1366574139 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 · PSY15737
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.
633 CHERRY ST, Santa Rosa, CA 95404
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Other Identifiers 2

Other11701062CA · Caqh
Medicare UPIN0PL157371CA

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. Loren Gerstein 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 July 1, 2017 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2017
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95404 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
$187.01 typical visit price
range $63.04 – $187.01
Typical copayment $46.75 (range $15.76 – $46.75)
Most-billed visit code 99205
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 15

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

MS. LORRAINE BLUE MFT
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 522-8603
MS. ALICIA NOURSE MFT
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 526-0300
NANCY BRADLEY MFT,
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 799-7647
ALLISON PIERACCINI, LCSW
Social Worker (Clinical)
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 934-5837
MS. LYNN LOKELANI BERGMAN M.A., M.F.T.
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 570-7269
JOANN ELAINE CONSIGLIERI MFT
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 576-1612
DR. ERIC LEE RYAN PH.D.
Psychologist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 571-3765
L REYNA SEMINARA MFT
Marriage & Family Therapist
633 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 523-9192

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 Loren Gerstein's NPI number?

The NPI number for Loren Gerstein is 1366574139. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Loren Gerstein located?

Loren Gerstein practices at 633 Cherry St, Santa Rosa, CA 95404. The listed phone number is (707) 706-3288.

What is Loren Gerstein's specialty?

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

Is Loren Gerstein enrolled in Medicare?

No. Loren Gerstein has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Loren Gerstein was last updated on January 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.