Doctor profile · Federal record

Dr. William Atchley, MD, PHD

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Pulmonary Disease Physician · Little Rock, AR

  • NPI 1649513847
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4301 W Markham St # 547-15
Little Rock, AR 722057101
(501) 603-1400
fax (501) 613-1480
Additional location
4301 W Markham St
Little Rock, AR 722057101
(501) 686-7000
Additional location
101 Manning Dr
Chapel Hill, NC 275144220
(501) 920-5912
Mailing address
Po Box 251420
Little Rock, AR 722251420

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
July 16, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Arkansas #E-9352 · North Carolina #2017-00698

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649513847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
355
Distinct HCPCS
8
Medicare allowed
$50,907
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 151 76 $196
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 49 $108
99214 Established patient office or other outpatient visit, 30-39 minutes 50 43 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 27 26 $156
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 15 $73
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 12 12 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $61

In context: peer comparison

Among 3 peers in Little Rock Critical Care Medicine (Internal Medicine) Physician, average services per provider: 155. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $22.75

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
285
Patients
44
Total drug cost
$202,755
Drug Type Claims Patients Total cost
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 88 17 $66,119
Symbicort (Budesonide/Formoterol Fumarate) Brand 49 14 $28,491
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 37 13 $1,447
Montelukast Sodium Generic 27 0 $596
Incruse Ellipta (Umeclidinium Bromide) Brand 19 0 $7,230
Ventolin Hfa (Albuterol Sulfate) Brand 16 0 $1,389
Dupixent Pen (Dupilumab) Brand 13 0 $54,411
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 13 0 $11,865
Prednisone Generic 12 0 $46
Ambrisentan Generic 11 0 $31,162

Frequently asked questions

Auto-generated from federal data
What is Dr. William Atchley's medical specialty?
Dr. William Atchley practices Critical Care Medicine (Internal Medicine) Physician in Little Rock, AR.
Where does Dr. William Atchley practice?
Dr. William Atchley practices at 4301 W Markham St # 547-15, Little Rock, AR 722057101. Office phone: 5016031400.
What is Dr. William Atchley's NPI?
Dr. William Atchley's National Provider Identifier (NPI) is 1649513847, issued by NPPES.
Does Dr. William Atchley accept Medicare assignment?
Yes. Dr. William Atchley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Atchley commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.