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DR. SUSAN KRIEGER SORENSEN MD
NPI 1366523862
Internal Medicine in Los Altos, CA

Active since October 18, 2006Opted out of Medicare · through Oct 11, 2026
851 FREMONT AVE, SUITE 102, LOS ALTOS, CA 94024(650) 941-5028(650) 941-5036 Get Directions Write a Review

NPPES record last updated: July 18, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Susan Krieger Sorensen Md NPPES

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

DR. SUSAN KRIEGER SORENSEN MD (NPI 1366523862) is an individual internal medicine provider in Los Altos, California, licensed in California (G53927) and active in the NPI registry since October 2006. She has opted out of Medicare through October 11, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1366523862
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SUSAN KRIEGER SORENSENCredential: MD
Location Address851 FREMONT AVE, SUITE 102Los Altos, CA 94024-5698
Mailing Address851 Fremont Ave, Suite 102Los Altos, CA 94024-5698 · (650) 941-5028 · Fax (650) 941-5036
Phone(650) 941-5028
Fax(650) 941-5036
Sole ProprietorYes
Enumeration DateOctober 18, 2006
Last NPPES UpdateJuly 18, 2013
✔ NPI 1366523862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G53927
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
851 FREMONT AVE, Los Altos, CA 94024
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Other Identifiers 1

Medicare UPINE25210CA

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. Susan Krieger Sorensen 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 October 11, 2014 through October 11, 2026.

Opt-Out Effective DateOctober 11, 2014
Opt-Out In Effect ThroughOctober 11, 2026Opt-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 94024 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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.

PHYSICAL THERAPY FOR HEALTH, INC
Physical Therapist
851 FREMONT AVE, SUITE 114
LOS ALTOS, CA 94024
Santa Clara County (650) 947-0121
HENRY S. MELLEN PH.D.
Psychologist
851 FREMONT AVE, SUITE 107
LOS ALTOS, CA 94024
Santa Clara County (650) 989-1256
DR. CHARMAINE L TU D.C.
Chiropractor
851 FREMONT AVE, SUITE #111
LOS ALTOS, CA 94024
Santa Clara County (650) 787-5570
DR. IRENE CHING-PING TAN D.D.S.
Dentist
851 FREMONT AVE, SUITE 101
LOS ALTOS, CA 94024
Santa Clara County (650) 559-9801
MS. ALICE LOCKE-CHEZAR M.A. MFT, ATR
Marriage & Family Therapist
851 FREMONT AVE
LOS ALTOS, CA 94024
Santa Clara County (650) 339-5101
SVETLANA GOLDMAN
Hearing Instrument Specialist
851 FREMONT AVE, STE 99
LOS ALTOS, CA 94024
Santa Clara County (650) 949-2765
KIRSTIN YOUNG M.D.
Physical Medicine & Rehabilitation
851 FREMONT AVE, SUITE 109
LOS ALTOS, CA 94024
Santa Clara County (650) 941-1040
MR. STEVEN SHAWN STEELE D.MIN., M.DIV.
Counselor (Pastoral)
851 FREMONT AVE, STE. 214
LOS ALTOS, CA 94024
Santa Clara County (408) 883-9087

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 Susan Sorensen's NPI number?

The NPI number for Susan Sorensen is 1366523862. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Where is Susan Sorensen located?

Susan Sorensen practices at 851 Fremont Ave Suite 102, Los Altos, CA 94024. The listed phone number is (650) 941-5028.

What is Susan Sorensen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Susan Sorensen enrolled in Medicare?

No. Susan Sorensen has opted out of Medicare through October 11, 2026. 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 Susan Sorensen was last updated on July 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.