Doctor profile · Federal record

Dr. Alisson Sombredero Sanchez, M.D

Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA

  • NPI 1932470978
  • Accepts Medicare
  • MIPS 83.5 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3838 California St
San Francisco, CA 941181522
(415) 600-4900
fax (415) 369-1367
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
January 2012 — 14 yrs on file
Profile last updated
December 14, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A119736

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932470978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
1
Medicare allowed
$238
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 25 20 $10

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$566
Transactions
12
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 6 $453.95
ViiV Healthcare Company 6 $112.01

By nature of payment

Food and Beverage
$566

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
435
Patients
102
Total drug cost
$71,618
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 71 28 $2,186
Amlodipine Besylate Generic 51 21 $897
Gabapentin Generic 36 13 $2,189
Trulicity (Dulaglutide) Brand 34 0 $59,302
Lisinopril Generic 33 14 $664
Losartan Potassium Generic 32 12 $845
Metformin Hcl Generic 31 14 $538
Carvedilol Generic 22 0 $409
Diclofenac Sodium Generic 20 0 $1,003
Omeprazole Generic 20 0 $577

Frequently asked questions

Auto-generated from federal data
What is Dr. Alisson Sombredero Sanchez's medical specialty?
Dr. Alisson Sombredero Sanchez practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Alisson Sombredero Sanchez practice?
Dr. Alisson Sombredero Sanchez practices at 3838 California St, San Francisco, CA 941181522. Office phone: 4156004900.
What is Dr. Alisson Sombredero Sanchez's NPI?
Dr. Alisson Sombredero Sanchez's National Provider Identifier (NPI) is 1932470978, issued by NPPES.
Does Dr. Alisson Sombredero Sanchez accept Medicare assignment?
Yes. Dr. Alisson Sombredero Sanchez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alisson Sombredero Sanchez commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.