Doctor profile · Federal record

Dr. Santiago Aguilar Duenas, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Memphis, TN

  • NPI 1285897553
  • Accepts Medicare
  • MIPS 76.5 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
6019 Walnut Grove RD
Memphis, TN 38120
(901) 226-3610
fax (901) 226-3612
Additional location
7601 Southcrest Pkwy
Southaven, MS 386714739
(662) 772-2980
fax (662) 772-2960
Additional location
2100 N 7Th St
West Memphis, AR 723012017
Mailing address
965 Ridge Lake Blvd Ste 103
Memphis, TN 381209446

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
August 18, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Tennessee #47231 · Arkansas #E-12764 · Mississippi #23275

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285897553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,472
Distinct HCPCS
10
Medicare allowed
$208,779
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,523 446 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 507 255 $112
99239 Hospital discharge day management, more than 30 minutes 123 120 $107
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 91 91 $122
J1100 Injection, dexamethasone sodium phosphate, 1 mg 60 11 $0
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 53 $163
99213 Established patient office or other outpatient visit, 20-29 minutes 42 40 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 22 21 $118
J1040 Injection, methylprednisolone acetate, 80 mg 20 11 $11
36415 Insertion of needle into vein for collection of blood sample 19 17 $8

In context: peer comparison

Among 87 peers in this city , average services per provider: 210. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$153
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 2 $46.90
Amgen Inc. 2 $36.94
ABBVIE INC. 2 $35.66
E.R. Squibb & Sons, L.L.C. 1 $18.91
Lilly USA, LLC 1 $15.07

By nature of payment

Food and Beverage
$153

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
224
Patients
208
Total drug cost
$9,611
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 37 37 $202
Amlodipine Besylate Generic 36 36 $176
Atorvastatin Calcium Generic 19 19 $112
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 16 $461
Furosemide Generic 16 14 $61
Cefdinir Generic 14 14 $177
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $57
Eliquis (Apixaban) Brand 13 13 $7,783
Gabapentin Generic 12 11 $83
Metoprolol Tartrate Generic 12 12 $50

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Santiago Aguilar Duenas's medical specialty?
Dr. Santiago Aguilar Duenas practices Internal Medicine Physician in Memphis, TN.
Where does Dr. Santiago Aguilar Duenas practice?
Dr. Santiago Aguilar Duenas practices at 6019 Walnut Grove RD, Memphis, TN 38120. Office phone: 9012263610.
What is Dr. Santiago Aguilar Duenas's NPI?
Dr. Santiago Aguilar Duenas's National Provider Identifier (NPI) is 1285897553, issued by NPPES.
Does Dr. Santiago Aguilar Duenas accept Medicare assignment?
Yes. Dr. Santiago Aguilar Duenas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Santiago Aguilar Duenas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.