Doctor profile · Federal record

Dr. Kelly Tan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Long Grove, IL

  • NPI 1023299799
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3880 Salem Lake Dr, Ste F
Long Grove, IL 600475292
(847) 719-2220
fax (847) 719-2265

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Illinois #125049167 · Illinois #036119745
Medicaid
IL #036119745

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023299799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,970
Distinct HCPCS
10
Medicare allowed
$597,612
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 1,294 249 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 682 119 $123
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 645 207 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 578 174 $133
36415 Insertion of needle into vein for collection of blood sample 435 164 $8
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 318 207 $158
99212 Established patient office or other outpatient visit, 10-19 minutes 240 49 $59
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 240 236 $187
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 215 37 $78
85610 Blood test, clotting time 213 15 $4

In context: peer comparison

Among 13 peers in Long Grove Internal Medicine Physician, average services per provider: 376. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $20.90

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,088
Patients
348
Total drug cost
$52,876
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 133 43 $1,903
Levothyroxine Sodium Generic 118 40 $1,811
Amlodipine Besylate Generic 100 44 $1,338
Gabapentin Generic 97 33 $1,085
Metoprolol Succinate Generic 88 26 $1,473
Furosemide Generic 79 23 $395
Pantoprazole Sodium Generic 70 21 $1,469
Losartan Potassium Generic 60 18 $721
Eliquis (Apixaban) Brand 56 16 $39,400
Escitalopram Oxalate Generic 52 14 $649

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelly Tan's medical specialty?
Dr. Kelly Tan practices Internal Medicine Physician in Long Grove, IL.
Where does Dr. Kelly Tan practice?
Dr. Kelly Tan practices at 3880 Salem Lake Dr, Long Grove, IL 600475292. Office phone: 8477192220.
What is Dr. Kelly Tan's NPI?
Dr. Kelly Tan's National Provider Identifier (NPI) is 1023299799, issued by NPPES.
Does Dr. Kelly Tan accept Medicare assignment?
Yes. Dr. Kelly Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kelly Tan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.