Doctor profile · Federal record

Dr. William Bartley, MD

Internal Medicine Physician (CMS: Internal Medicine) · Alton, IL

  • NPI 1134112097
  • Accepts Medicare
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Professional Dr, Suite 220
Alton, IL 620025068
(618) 463-8626
fax (618) 463-8688
Mailing address
660 Mason Ridge Center Dr Ste 300
Saint Louis, MO 631418512

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
September 19, 2025
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-071248

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134112097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,148
Distinct HCPCS
10
Medicare allowed
$91,968
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 313 172 $126
36415 Insertion of needle into vein for collection of blood sample 256 147 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 149 149 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 147 104 $89
G0008 Administration of influenza virus vaccine 48 47 $30
77063 Screening 3d breast mammography 46 24 $22
77067 Screening mammography 46 24 $53
90662 Influenza vaccine split virus, preservative free 45 44 $72
71046 X-ray of chest, 2 views 34 17 $16
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 32 32 $281

In context: peer comparison

Among 2 peers in Alton Internal Medicine Physician, average services per provider: 116. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$457
Transactions
16
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 5 $216.28
E.R. Squibb & Sons, L.L.C. 1 $79.58
Lilly USA, LLC 3 $48.13
Abbvie INC. 2 $35.17
Pfizer INC. 2 $30.46
Astellas Pharma US INC 1 $18.74
Amgen INC. 1 $15.54
Novo Nordisk INC 1 $13.53

By nature of payment

Food and Beverage
$434
Education
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,951
Patients
810
Total drug cost
$36,665
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 430 116 $5,935
Metoprolol Succinate Generic 303 81 $4,880
Metformin Hcl Generic 258 63 $2,663
Lisinopril Generic 243 68 $2,050
Amlodipine Besylate Generic 220 63 $1,460
Levothyroxine Sodium Generic 214 52 $2,999
Metoprolol Tartrate Generic 192 52 $1,392
Tamsulosin Hcl Generic 178 47 $3,156
Hydrochlorothiazide Generic 150 41 $833
Rosuvastatin Calcium Generic 137 37 $2,836

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Bartley's medical specialty?
Dr. William Bartley practices Internal Medicine Physician in Alton, IL.
Where does Dr. William Bartley practice?
Dr. William Bartley practices at 1 Professional Dr, Alton, IL 620025068. Office phone: 6184638626.
What is Dr. William Bartley's NPI?
Dr. William Bartley's National Provider Identifier (NPI) is 1134112097, issued by NPPES.
Does Dr. William Bartley accept Medicare assignment?
Yes. Dr. William Bartley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Bartley 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.