Doctor profile · Federal record

Dr. Shiven Chaudhry, MD

Internal Medicine Physician (CMS: Internal Medicine) · Castro Valley, CA

  • NPI 1528594801
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
20642 John Dr
Castro Valley, CA 945465103
(510) 785-5000
Additional location
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
5725 W Las Positas Blvd
Pleasanton, CA 945884054
(925) 847-3000
Show 3 more locations
Additional location
8700 Beverly Blvd Ste 5512
West Hollywood, CA 900481804
(310) 423-5252
fax (310) 423-8441
Additional location
3269 N Stockton Hill RD
Kingman, AZ 864093619
(928) 757-2101
Additional location
10624 S Eastern Ave # A-955
Henderson, NV 890522982
(792) 800-5393
Mailing address
5725 W Las Positas Blvd
Pleasanton, CA 945884054

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
June 10, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A159399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528594801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,013
Distinct HCPCS
5
Medicare allowed
$109,237
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 385 177 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 379 132 $80
99239 Hospital discharge day management, more than 30 minutes 158 156 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 73 73 $172
99497 Advance care planning, first 30 minutes 18 18 $75

In context: peer comparison

Among 12 peers in Castro Valley Internal Medicine Physician, average services per provider: 154. This provider delivers 6.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
36
Total drug cost
$427
Drug Type Claims Patients Total cost
Cefdinir Generic 14 14 $150
Atorvastatin Calcium Generic 13 11 $206
Pantoprazole Sodium Generic 12 11 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. Shiven Chaudhry's medical specialty?
Dr. Shiven Chaudhry practices Internal Medicine Physician in Castro Valley, CA.
Where does Dr. Shiven Chaudhry practice?
Dr. Shiven Chaudhry practices at 20642 John Dr, Castro Valley, CA 945465103. Office phone: 5107855000.
What is Dr. Shiven Chaudhry's NPI?
Dr. Shiven Chaudhry's National Provider Identifier (NPI) is 1528594801, issued by NPPES.
Does Dr. Shiven Chaudhry accept Medicare assignment?
Yes. Dr. Shiven Chaudhry accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shiven Chaudhry commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.