Doctor profile · Federal record

Dr. Gagandeep Grewal, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Hattiesburg, MS

  • NPI 1114214038
  • Accepts Medicare
  • MIPS 87.8 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5001 Hardy St
Hattiesburg, MS 394021308
(601) 296-2090
fax (601) 296-2089

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
October 8, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Mississippi #23236 · Mississippi #10170
Medicaid
MS #01888564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114214038. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,380
Distinct HCPCS
6
Medicare allowed
$118,084
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 937 271 $74
99239 Hospital discharge day management, more than 30 minutes 207 196 $107
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 136 132 $117
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 70 33 $113
99238 Hospital discharge day management, 30 minutes or less 19 18 $70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $151

In context: peer comparison

Among 15 peers in this city , average services per provider: 804. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
462
Patients
71
Total drug cost
$4,760
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 71 13 $474
Atorvastatin Calcium Generic 51 13 $436
Potassium Chloride Generic 38 0 $787
Gabapentin Generic 30 11 $361
Levothyroxine Sodium Generic 30 12 $179
Furosemide Generic 29 11 $149
Memantine Hcl Generic 27 0 $616
Pravastatin Sodium Generic 27 0 $338
Tamsulosin Hcl Generic 27 0 $157
Ropinirole Hcl Generic 26 0 $466

Frequently asked questions

Auto-generated from federal data
What is Dr. Gagandeep Grewal's medical specialty?
Dr. Gagandeep Grewal practices Internal Medicine Physician in Hattiesburg, MS.
Where does Dr. Gagandeep Grewal practice?
Dr. Gagandeep Grewal practices at 5001 Hardy St, Hattiesburg, MS 394021308. Office phone: 6012962090.
What is Dr. Gagandeep Grewal's NPI?
Dr. Gagandeep Grewal's National Provider Identifier (NPI) is 1114214038, issued by NPPES.
Does Dr. Gagandeep Grewal accept Medicare assignment?
Yes. Dr. Gagandeep Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gagandeep Grewal commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.