Doctor profile · Federal record

Dr. Kwan Tan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · La Palma, CA

  • NPI 1013099746
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7872 Walker St
La Palma, CA 906231796
(714) 527-8777
fax (714) 527-8990
Mailing address
13561 Yorba St
Santa Ana, CA 927051869

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 7, 2016
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G74232
Medicaid (3)
CA #00G742320 · CA #GR0061200 · CA #GR0061190

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013099746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,403
Distinct HCPCS
10
Medicare allowed
$118,144
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 488 234 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 350 179 $139
81002 Urinalysis, manual test 165 94 $3
82962 Blood glucose (sugar) test performed by hand-held instrument 100 52 $3
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 88 88 $139
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 46 43 $16
G0008 Administration of influenza virus vaccine 38 37 $33
90662 Influenza vaccine split virus, preservative free 34 34 $72
99212 Established patient office or other outpatient visit, 10-19 minutes 25 24 $39
71046 X-ray of chest, 2 views 21 21 $39

In context: peer comparison

Among 3 peers in La Palma Internal Medicine Physician, average services per provider: 90. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,881
Transactions
85
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $1,038.28
Lilly USA, LLC 11 $358.71
GlaxoSmithKline, LLC. 3 $348.22
Abbvie INC. 8 $238.34
Gilead Sciences, INC. 5 $237.56
Amgen INC. 13 $228.31
Boehringer Ingelheim Pharmaceuticals, INC. 4 $165.11
Phathom Pharmaceuticals, INC. 3 $163.78
Pfizer INC. 9 $155.62
Abbott Laboratories 1 $150.52
Idorsia Pharmaceuticals US INC 3 $147.32
Radius Health, INC. 7 $139.24
Merck Sharp & Dohme LLC 2 $125.11
Otsuka America Pharmaceutical, INC. 1 $125.00
Novartis Pharmaceuticals Corporation 5 $94.95

By nature of payment

Food and Beverage
$3,875
Travel and Lodging
$6

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,548
Patients
1,104
Total drug cost
$60,091
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 625 198 $10,912
Losartan Potassium Generic 558 179 $9,884
Amlodipine Besylate Generic 454 140 $5,162
Metformin Hcl Generic 305 92 $4,094
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 236 38 $5,534
Lisinopril Generic 178 50 $2,276
Levothyroxine Sodium Generic 165 48 $3,488
Hydrochlorothiazide Generic 159 52 $837
Rosuvastatin Calcium Generic 137 42 $4,914
Tamsulosin Hcl Generic 137 43 $2,839

Frequently asked questions

Auto-generated from federal data
What is Dr. Kwan Tan's medical specialty?
Dr. Kwan Tan practices Internal Medicine Physician in La Palma, CA.
Where does Dr. Kwan Tan practice?
Dr. Kwan Tan practices at 7872 Walker St, La Palma, CA 906231796. Office phone: 7145278777.
What is Dr. Kwan Tan's NPI?
Dr. Kwan Tan's National Provider Identifier (NPI) is 1013099746, issued by NPPES.
Does Dr. Kwan Tan accept Medicare assignment?
Yes. Dr. Kwan Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kwan Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.