Doctor profile · Federal record

Dr. Lionel Tan

Internal Medicine Physician (CMS: Internal Medicine) · Sacramento, CA

  • NPI 1548467871
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4150 V St, Suite 3400
Sacramento, CA 958171460
(916) 734-7587
fax (916) 734-7924

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
February 9, 2017
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A105627

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548467871. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$7,925
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 36 36 $135
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $180

In context: peer comparison

Among 123 peers in this city , average services per provider: 116. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lionel Tan's medical specialty?
Dr. Lionel Tan practices Internal Medicine Physician in Sacramento, CA.
Where does Dr. Lionel Tan practice?
Dr. Lionel Tan practices at 4150 V St, Sacramento, CA 958171460. Office phone: 9167347587.
What is Dr. Lionel Tan's NPI?
Dr. Lionel Tan's National Provider Identifier (NPI) is 1548467871, issued by NPPES.
Does Dr. Lionel Tan accept Medicare assignment?
Yes. Dr. Lionel Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lionel Tan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.