DR. MAUREEN SMITH RUFFELL M.D.
NPI 1629129895
Psychiatry & Neurology - Psychiatry in Palo Alto, CA

Active since January 15, 2007Opted out of Medicare · through Mar 9, 2028
550 HAMILTON AVE, SUITE 110, PALO ALTO, CA 94301(650) 329-8834 Get Directions Write a Review

NPPES record last updated: September 12, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Maureen Smith Ruffell M.d. NPPES

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

DR. MAUREEN SMITH RUFFELL M.D. (NPI 1629129895) is an individual psychiatry provider in Palo Alto, California, licensed in California (G83456) and active in the NPI registry since January 2007. She has opted out of Medicare through March 9, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1629129895
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MAUREEN SMITH RUFFELLCredential: M.D.
Location Address550 HAMILTON AVE, SUITE 110Palo Alto, CA 94301-2010
Mailing Address550 Hamilton Ave, Suite 110Palo Alto, CA 94301-2010 · (650) 329-8834
Sole ProprietorYes
Enumeration DateJanuary 15, 2007
Last NPPES UpdateSeptember 12, 2008
NPI 1629129895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses Licensed in CA · G83456 Licensed in MA · 71757
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

550 HAMILTON AVE, Palo Alto, CA 94301

Other Identifiers 1

Other077418CA · Value Options Provider #

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. Maureen Smith Ruffell M.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 March 9, 2014 through March 9, 2028.

Opt-Out Effective DateMarch 9, 2014
Opt-Out In Effect ThroughMarch 9, 2028Opt-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 94301 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
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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.

Specialist
550 HAMILTON AVE, SUITE #240
PALO ALTO, CA 94301
Psychiatry & Neurology (Psychiatry)
550 HAMILTON AVE, SUITE 310
PALO ALTO, CA 94301
Psychologist
550 HAMILTON AVE, SUITE 300
PALO ALTO, CA 94301
Psychologist
550 HAMILTON AVE, SUITE 229
PALO ALTO, CA 94301
Psychologist
550 HAMILTON AVE, SUITE 201
PALO ALTO, CA 94301
Marriage & Family Therapist
550 HAMILTON AVE, SUITE 210
PALO ALTO, CA 94301
Psychologist (Clinical)
550 HAMILTON AVE, 207
PALO ALTO, CA 94301
Psychologist (Clinical)
550 HAMILTON AVE, SUITE 339
PALO ALTO, CA 94301

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 Maureen Ruffell's NPI number?

The NPI number for Maureen Ruffell is 1629129895. It was assigned to this individual provider in the NPPES registry on January 15, 2007.

Where is Maureen Ruffell located?

Maureen Ruffell practices at 550 Hamilton Ave Suite 110, Palo Alto, CA 94301. The listed phone number is (650) 329-8834.

What is Maureen Ruffell's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Maureen Ruffell enrolled in Medicare?

No. Maureen Ruffell has opted out of Medicare through March 9, 2028. 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 Maureen Ruffell was last updated on September 12, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.