Doctor profile · Federal record

Dr. Zachary Tilley, MD

Internal Medicine Physician (CMS: Hospitalist) · Little Rock, AR

  • NPI 1144726993
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4301 W Markham St # 641
Little Rock, AR 722057101
(501) 526-1010
Additional location
2 Saint Vincent Cir
Little Rock, AR 722055423
(501) 552-4677
fax (501) 552-4555
Mailing address
Po Box 251420
Little Rock, AR 722251420

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 5, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arkansas #E-14274

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144726993. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,203
Distinct HCPCS
6
Medicare allowed
$117,584
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 546 202 $72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 345 140 $109
99239 Hospital discharge day management, more than 30 minutes 162 162 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 77 77 $160
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 38 $120
99291 Critical care, first 30-74 minutes 33 25 $197

In context: peer comparison

Among 59 peers in Little Rock Internal Medicine Physician, average services per provider: 237. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$62
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $25.03
AstraZeneca Pharmaceuticals Lp 1 $22.26
Gilead Sciences, INC. 1 $14.93

By nature of payment

Food and Beverage
$62

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
175
Patients
72
Total drug cost
$9,242
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 32 17 $309
Hydralazine Hcl Generic 23 13 $343
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 18 18 $124
Furosemide Generic 17 0 $46
Eliquis (Apixaban) Brand 16 0 $7,535
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $186
Pantoprazole Sodium Generic 15 12 $172
Carvedilol Generic 14 12 $120
Nifedipine ER (Nifedipine) Brand 14 0 $302
Metoprolol Succinate Generic 11 0 $105

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Tilley's medical specialty?
Dr. Zachary Tilley practices Internal Medicine Physician in Little Rock, AR.
Where does Dr. Zachary Tilley practice?
Dr. Zachary Tilley practices at 4301 W Markham St # 641, Little Rock, AR 722057101. Office phone: 5015261010.
What is Dr. Zachary Tilley's NPI?
Dr. Zachary Tilley's National Provider Identifier (NPI) is 1144726993, issued by NPPES.
Does Dr. Zachary Tilley accept Medicare assignment?
Yes. Dr. Zachary Tilley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Tilley 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.