Doctor profile · Federal record

Dr. Timothy Jang, MD

Infectious Disease Physician (CMS: Infectious Disease) · Walnut Creek, CA

  • NPI 1801358775
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
365 Lennon Ln Ste 200
Walnut Creek, CA 945985912
(925) 947-2334

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
December 3, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
California #A196261

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801358775. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
La Jolla Pharmaceutical Company 1 $121.80

By nature of payment

Food and Beverage
$122

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
0
Total drug cost
$412,019
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 30 0 $122,250
Tivicay (Dolutegravir Sodium) Brand 27 0 $61,543
Descovy (Emtricitabine/Tenofov Alafenam) Brand 22 0 $48,632
Atorvastatin Calcium Generic 21 0 $218
Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) Brand 21 0 $101,872
Amlodipine Besylate Generic 17 0 $123
Triumeq (Abacavir/Dolutegravir/Lamivudi) Brand 13 0 $49,124
Prezcobix (Darunavir/Cobicistat) Brand 11 0 $28,257

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Jang's medical specialty?
Dr. Timothy Jang practices Infectious Disease Physician in Walnut Creek, CA.
Where does Dr. Timothy Jang practice?
Dr. Timothy Jang practices at 365 Lennon Ln Ste 200, Walnut Creek, CA 945985912. Office phone: 9259472334.
What is Dr. Timothy Jang's NPI?
Dr. Timothy Jang's National Provider Identifier (NPI) is 1801358775, issued by NPPES.
Does Dr. Timothy Jang accept Medicare assignment?
Yes. Dr. Timothy Jang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.