Doctor profile · Federal record

Dr. Marut Thongcharoen

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · San Leandro, CA

  • NPI 1710132980
  • Accepts Medicare
  • MIPS 87.4 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2800 Benedict Dr
San Leandro, CA 945776840
(510) 357-8300
fax (510) 620-3924
Mailing address
5870 N Hiatus RD, Regional Admin Office
Tamarac, FL 333216424

Credentials & registration

NPPES · NUCC
NPI registered
December 2008 — 18 yrs on file
Profile last updated
April 9, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #C00141591 · New York #251033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710132980. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
371
Distinct HCPCS
4
Medicare allowed
$52,872
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 151 142 $193
99497 Advance care planning, first 30 minutes 116 110 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 91 73 $132
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $144

In context: peer comparison

Among 15 peers in San Leandro Internal Medicine Physician, average services per provider: 94. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marut Thongcharoen's medical specialty?
Dr. Marut Thongcharoen practices Internal Medicine Physician in San Leandro, CA.
Where does Dr. Marut Thongcharoen practice?
Dr. Marut Thongcharoen practices at 2800 Benedict Dr, San Leandro, CA 945776840. Office phone: 5103578300.
What is Dr. Marut Thongcharoen's NPI?
Dr. Marut Thongcharoen's National Provider Identifier (NPI) is 1710132980, issued by NPPES.
Does Dr. Marut Thongcharoen accept Medicare assignment?
Yes. Dr. Marut Thongcharoen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marut Thongcharoen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.