Doctor profile · Federal record

Dr. Justine Decastro, M.D.

Family Medicine Physician (CMS: Family Practice) · Mount Pleasant, SC

  • NPI 1194936831
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
246 Mathis Ferry RD Ste 100
Mount Pleasant, SC 294642987
(843) 900-6742
Additional location
1885 Rifle Range RD
Mount Pleasant, SC 294649440
(843) 856-4700
Mailing address
1050 Johnnie Dodds Blvd # 1116
Mt Pleasant, SC 294643684

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 23, 2026
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
South Carolina #32980
Medicaid
SC #329807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194936831. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
647
Distinct HCPCS
10
Medicare allowed
$79,887
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 144 96 $101
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 108 94 $173
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 104 63 $145
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 81 66 $173
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 46 28 $101
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 42 30 $141
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 32 30 $70
G0317 Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi 27 21 $30
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 26 25 $70
G0317 Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi 25 22 $29

In context: peer comparison

Among 4 peers in this city , average services per provider: 99. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,994
Patients
929
Total drug cost
$112,363
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 812 108 $4,444
Atorvastatin Calcium Generic 811 134 $6,535
Pravastatin Sodium Generic 573 69 $4,500
Omeprazole Generic 571 83 $5,240
Carvedilol Generic 477 48 $3,080
Furosemide Generic 472 72 $2,050
Lisinopril Generic 426 44 $2,159
Eliquis (Apixaban) Brand 419 67 $66,863
Valsartan Generic 401 48 $3,623
Trazodone Hcl Generic 377 33 $1,907

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Justine Decastro's medical specialty?
Dr. Justine Decastro practices Family Medicine Physician in Mount Pleasant, SC.
Where does Dr. Justine Decastro practice?
Dr. Justine Decastro practices at 246 Mathis Ferry RD Ste 100, Mount Pleasant, SC 294642987. Office phone: 8439006742.
What is Dr. Justine Decastro's NPI?
Dr. Justine Decastro's National Provider Identifier (NPI) is 1194936831, issued by NPPES.
Does Dr. Justine Decastro accept Medicare assignment?
Yes. Dr. Justine Decastro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justine Decastro commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.