Doctor profile · Federal record

Dr. Carlos Chang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Tavares, FL

  • NPI 1922005016
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1862 Mayo Drive
Tavares, FL 32778
(352) 343-0053
fax (352) 343-0059
Mailing address
Po Box 1363
Mount Dora, FL 327561363

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
March 13, 2015
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Florida #ME71903
Medicaid
FL #251269602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922005016. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,083
Distinct HCPCS
10
Medicare allowed
$562,598
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,000 309 $78
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 885 215 $73
99213 Established patient office or other outpatient visit, 20-29 minutes 854 337 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 606 347 $124
99497 Advance care planning, first 30 minutes 271 271 $81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 269 269 $126
G0444 Annual depression screening, 5 to 15 minutes 268 268 $18
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 206 184 $179
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 198 174 $129
G0008 Administration of influenza virus vaccine 192 192 $30

In context: peer comparison

Among 10 peers in this city , average services per provider: 202. This provider delivers 30× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,061
Patients
1,255
Total drug cost
$252,497
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 687 197 $10,088
Amlodipine Besylate Generic 468 151 $4,398
Levothyroxine Sodium Generic 467 137 $7,432
Lisinopril Generic 298 95 $3,034
Eliquis (Apixaban) Brand 273 65 $195,925
Losartan Potassium Generic 234 85 $3,725
Rosuvastatin Calcium Generic 210 70 $3,880
Metformin Hcl Generic 204 65 $2,441
Metoprolol Tartrate Generic 201 63 $1,819
Potassium Chloride Generic 194 66 $5,701

Frequently asked questions

Auto-generated from federal data
What is Dr. Carlos Chang's medical specialty?
Dr. Carlos Chang practices Internal Medicine Physician in Tavares, FL.
Where does Dr. Carlos Chang practice?
Dr. Carlos Chang practices at 1862 Mayo Drive, Tavares, FL 32778. Office phone: 3523430053.
What is Dr. Carlos Chang's NPI?
Dr. Carlos Chang's National Provider Identifier (NPI) is 1922005016, issued by NPPES.
Does Dr. Carlos Chang accept Medicare assignment?
Yes. Dr. Carlos Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carlos Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.