Doctor profile · Federal record

Dr. William Loper, MD

Family Medicine Physician (CMS: Family Practice) · Ridgeland, MS

  • NPI 1881601409
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
323 Hwy 51
Ridgeland, MS 39157
(601) 898-9150
fax (601) 898-9155

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Mississippi #11448
Medicaid
MS #0122287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881601409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,400
Distinct HCPCS
10
Medicare allowed
$393,909
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 2,087 777 $118
36415 Insertion of needle into vein for collection of blood sample 912 520 $8
J1100 Injection, dexamethasone sodium phosphate, 1 mg 664 142 $0
J0696 Injection, ceftriaxone sodium, per 250 mg 525 103 $1
81001 Manual urinalysis test with examination using microscope, automated 464 403 $3
96372 Injection of drug or substance under skin or into muscle 464 282 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 345 231 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 322 238 $83
G0008 Administration of influenza virus vaccine 283 283 $28
90662 Influenza vaccine split virus, preservative free 276 276 $72

In context: peer comparison

Among 2 peers in this city , average services per provider: 163. This provider delivers 52× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,152
Transactions
64
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 13 $251.92
Abbott Laboratories 11 $159.93
ABBVIE INC. 6 $118.89
Novo Nordisk Inc 7 $112.75
Amgen Inc. 7 $105.52
GlaxoSmithKline, LLC. 4 $76.54
Novartis Pharmaceuticals Corporation 3 $63.14
AstraZeneca Pharmaceuticals LP 2 $36.54
Tris Pharma Inc 2 $34.83
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $31.33
Lilly USA, LLC 2 $28.07
Inari Medical, Inc. 1 $28.06
Exact Sciences Corporation 2 $27.78
ACADIA Pharmaceuticals Inc 1 $24.74
Esperion Therapeutics, Inc. 1 $19.71

By nature of payment

Food and Beverage
$1,152

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,585
Patients
1,893
Total drug cost
$83,383
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,043 265 $10,414
Rosuvastatin Calcium Generic 891 233 $13,719
Amlodipine Besylate Generic 873 212 $6,172
Levothyroxine Sodium Generic 586 129 $7,181
Losartan Potassium Generic 573 142 $6,222
Meloxicam Generic 553 139 $2,754
Metformin Hcl Generic 450 106 $3,439
Omeprazole Generic 446 111 $5,346
Pantoprazole Sodium Generic 351 111 $4,759
Metoprolol Succinate Generic 339 95 $5,317

Frequently asked questions

Auto-generated from federal data
What is Dr. William Loper's medical specialty?
Dr. William Loper practices Family Medicine Physician in Ridgeland, MS.
Where does Dr. William Loper practice?
Dr. William Loper practices at 323 Hwy 51, Ridgeland, MS 39157. Office phone: 6018989150.
What is Dr. William Loper's NPI?
Dr. William Loper's National Provider Identifier (NPI) is 1881601409, issued by NPPES.
Does Dr. William Loper accept Medicare assignment?
Yes. Dr. William Loper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Loper commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.