Doctor profile · Federal record

Dr. Ralph Armstrong, M.D.

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

  • NPI 1417975731
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 Sunset Dr, Suite F
Grenada, MS 389014086
(662) 226-5747
fax (662) 226-5622

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 28, 2010
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Mississippi #12471
Medicaid (3)
MS #0112659 · MS #09013778 · MS #09014826

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417975731. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,581
Distinct HCPCS
10
Medicare allowed
$229,844
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,256 366 $115
36415 Insertion of needle into vein for collection of blood sample 882 353 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 269 269 $117
G0444 Annual depression screening, 5 to 15 minutes 252 252 $16
81003 Automated urinalysis test 101 67 $2
96372 Injection of drug or substance under skin or into muscle 101 42 $13
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 87 42 $37
87804 Detection test by immunoassay with direct visual observation for influenza virus 68 33 $16
G0008 Administration of influenza virus vaccine 67 66 $28
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 57 57 $282

In context: peer comparison

Among 4 peers in Grenada Family Medicine Physician, average services per provider: 155. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$54
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 2 $37.34
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $16.29

By nature of payment

Food and Beverage
$54

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,511
Patients
1,185
Total drug cost
$282,961
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 515 140 $3,870
Potassium Chloride Generic 406 98 $11,383
Levothyroxine Sodium Generic 390 97 $5,206
Rosuvastatin Calcium Generic 339 118 $9,227
Pantoprazole Sodium Generic 335 82 $5,324
Metoprolol Succinate Generic 331 88 $7,176
Atorvastatin Calcium Generic 310 91 $4,265
Gabapentin Generic 299 83 $5,076
Omeprazole Generic 290 67 $3,466
Hydrochlorothiazide Generic 243 55 $1,136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ralph Armstrong's medical specialty?
Dr. Ralph Armstrong practices Family Medicine Physician in Grenada, MS.
Where does Dr. Ralph Armstrong practice?
Dr. Ralph Armstrong practices at 1300 Sunset Dr, Grenada, MS 389014086. Office phone: 6622265747.
What is Dr. Ralph Armstrong's NPI?
Dr. Ralph Armstrong's National Provider Identifier (NPI) is 1417975731, issued by NPPES.
Does Dr. Ralph Armstrong accept Medicare assignment?
Yes. Dr. Ralph Armstrong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Armstrong 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.