Doctor profile · Federal record

Dr. Mridula Rewal, MD

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

  • NPI 1831526300
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20103 Lake Chabot RD
Castro Valley, CA 94546
(510) 727-3256
fax (510) 727-3107
Mailing address
2350 W El Camino Real Fl 2
Mountain View, CA 940406203

Credentials & registration

NPPES · NUCC
NPI registered
September 2013 — 13 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A127082

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831526300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
1
Medicare allowed
$8,845
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 45 $197

In context: peer comparison

Among 12 peers in this city , average services per provider: 154. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$160
Drug Type Claims Patients Total cost
Levetiracetam Generic 11 0 $160

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mridula Rewal's medical specialty?
Dr. Mridula Rewal practices Internal Medicine Physician in Castro Valley, CA.
Where does Dr. Mridula Rewal practice?
Dr. Mridula Rewal practices at 20103 Lake Chabot RD, Castro Valley, CA 94546. Office phone: 5107273256.
What is Dr. Mridula Rewal's NPI?
Dr. Mridula Rewal's National Provider Identifier (NPI) is 1831526300, issued by NPPES.
Does Dr. Mridula Rewal accept Medicare assignment?
Yes. Dr. Mridula Rewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mridula Rewal commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.