Doctor profile · Federal record

Dr. Tam Do, M.D.

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

  • NPI 1134540719
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 W Carson St
Torrance, CA 905022004
(310) 222-5610
Additional location
1100 W Stewart Dr
Orange, CA 928683849
(714) 633-9111

Credentials & registration

NPPES · NUCC
NPI registered
December 2013 — 13 yrs on file
Profile last updated
November 13, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #133815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134540719. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
737
Distinct HCPCS
6
Medicare allowed
$75,332
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 359 128 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 104 49 $125
99239 Hospital discharge day management, more than 30 minutes 104 100 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 63 61 $137
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 62 29 $52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 45 44 $182

In context: peer comparison

Among 52 peers in this city , average services per provider: 143. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
135
Total drug cost
$1,305
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 25 24 $296
Furosemide Generic 19 19 $80
Pantoprazole Sodium Generic 16 16 $153
Prednisone Generic 15 13 $37
Cefpodoxime Proxetil Generic 14 14 $315
Cephalexin Generic 14 12 $89
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $56
Atorvastatin Calcium Generic 12 12 $89
Ciprofloxacin Hcl Generic 12 12 $29
Amlodipine Besylate Generic 11 0 $49

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tam Do's medical specialty?
Dr. Tam Do practices Internal Medicine Physician in Torrance, CA.
Where does Dr. Tam Do practice?
Dr. Tam Do practices at 1000 W Carson St, Torrance, CA 905022004. Office phone: 3102225610.
What is Dr. Tam Do's NPI?
Dr. Tam Do's National Provider Identifier (NPI) is 1134540719, issued by NPPES.
Does Dr. Tam Do accept Medicare assignment?
Yes. Dr. Tam Do accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tam Do commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.