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DR. ALISSON DIANN SOMBREDERO SANCHEZ M.D
NPI 1932470978
Internal Medicine in San Francisco, CA

Active since January 23, 2012PECOS EnrolledAccepts Medicare Assignment
84.92/100
CMS Quality Rating
3838 CALIFORNIA ST, SAN FRANCISCO, CA 94118(415) 600-4900(415) 369-1367 Get Directions Write a Review

NPPES record last updated: December 14, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Alisson Diann Sombredero Sanchez M.d NPPES

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

DR. ALISSON DIANN SOMBREDERO SANCHEZ M.D (NPI 1932470978) is an individual internal medicine provider in San Francisco, California, licensed in California (A119736) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1932470978
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALISSON DIANN SOMBREDERO SANCHEZCredential: M.D
Location Address3838 CALIFORNIA STSan Francisco, CA 94118-1522
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 600-4900 · Fax (415) 369-1367
Phone(415) 600-4900
Fax(415) 369-1367
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJanuary 23, 2012
Last NPPES UpdateDecember 14, 2023
NPPES CertifiedDecember 14, 2023
✔ NPI 1932470978 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 · A119736
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.
3838 CALIFORNIA ST, San Francisco, CA 94118
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alisson Diann Sombredero Sanchez M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709049760
PECOS Enrollment IDI20120531000620
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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
71 services44 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services28 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94118 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality66.98
Promoting Interoperability100
Improvement Activities40

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.

SAN FRANCISCO UROGYNECOLOGY, INC.
Obstetrics & Gynecology (Gynecology)
3838 CALIFORNIA ST, SUITE 316
SAN FRANCISCO, CA 94118
San Francisco County (415) 367-9500
COHEN & HUFFORD MDS A MEDICAL CORPORATION
Internal Medicine (Hematology & Oncology)
3838 CALIFORNIA ST, SUITE 707
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0160
LAURENCE F YEE M.D.
Colon & Rectal Surgery
3838 CALIFORNIA ST, RM 616
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0411
DR. RANDOLPH H. CHASE M.D.
Internal Medicine
3838 CALIFORNIA ST, SUITE 608
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-2851
DANIEL F HARTMAN MD FACS A PROFESSIONAL CORPORATION
Otolaryngology
3838 CALIFORNIA ST, SUITE 505
SAN FRANCISCO, CA 94118
San Francisco County (415) 751-4914
CHRISTOPHER COX M.D.
Orthopaedic Surgery
3838 CALIFORNIA ST, SUITE 715
SAN FRANCISCO, CA 94118
San Francisco County (415) 592-2014
TAYLOR SMITH M.D.
Orthopaedic Surgery
3838 CALIFORNIA ST, SUITE 715
SAN FRANCISCO, CA 94118
San Francisco County (415) 592-2014
KEVIN KNOPF MD PC
Specialist
3838 CALIFORNIA ST, SUITE 707
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0160

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 Alisson Sombredero Sanchez's NPI number?

The NPI number for Alisson Sombredero Sanchez is 1932470978. It was assigned to this individual provider in the NPPES registry on January 23, 2012.

Where is Alisson Sombredero Sanchez located?

Alisson Sombredero Sanchez practices at 3838 California St, San Francisco, CA 94118. The listed phone number is (415) 600-4900.

What is Alisson Sombredero Sanchez's specialty?

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

Is Alisson Sombredero Sanchez enrolled in Medicare?

Yes. Alisson Sombredero Sanchez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alisson Sombredero Sanchez was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.