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CHRISTINA SHAMARA MATHER MD
NPI 1174849517
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since April 09, 2010Opted out of Medicare · through Nov 1, 2027
2481 CLAY ST STE 202, SAN FRANCISCO, CA 94115(628) 244-8671(415) 475-1144 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 5, 2026, Jun 24, 2024 (2 updates tracked since 2024).

About Christina Shamara Mather Md NPPES

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

CHRISTINA SHAMARA MATHER MD (NPI 1174849517) is an individual psychiatry provider in San Francisco, California, licensed in California (A117958) and active in the NPI registry since April 2010. She has opted out of Medicare through November 1, 2027 and remains eligible to order and refer and maintains a secondary practice location in Half Moon Bay.

NPPES Registry Identity

NPI1174849517
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameCHRISTINA SHAMARA MATHERCredential: MD
Location Address2481 CLAY ST STE 202San Francisco, CA 94115-1894
Mailing Address2481 Clay St Ste 202San Francisco, CA 94115-1894 · (628) 244-8671 · Fax (415) 475-1144
Phone(628) 244-8671
Fax(415) 475-1144
Sole ProprietorYes
Enumeration DateApril 9, 2010
Last NPPES UpdateMarch 5, 20262 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1174849517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A117958
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.
2481 CLAY ST STE 202, San Francisco, CA 94115
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Secondary Practice Location 1

Location 1225 Cabrillo Hwy S Ste 200AHalf Moon Bay, CA 94019-7210 · Phone (650) 726-6369 · Fax (650) 726-4963

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Christina Shamara Mather Md 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 November 1, 2015 through November 1, 2027.

Opt-Out Effective DateNovember 1, 2015
Opt-Out In Effect ThroughNovember 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 94115 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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 Christina Mather's NPI number?

The NPI number for Christina Mather is 1174849517. It was assigned to this individual provider in the NPPES registry on April 9, 2010.

Where is Christina Mather located?

Christina Mather practices at 2481 Clay St Ste 202, San Francisco, CA 94115. The listed phone number is (628) 244-8671.

What is Christina Mather's specialty?

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

Is Christina Mather enrolled in Medicare?

No. Christina Mather has opted out of Medicare through November 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 Christina Mather was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.