William Bartley, MD
Internal Medicine Physician · Alton, IL
William Bartley, MD is an internal medicine physician with a practice address in Alton, Illinois, and NPI 1134112097, issued on Aug 25, 2005. Check the license (Illinois 036-071248, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- William Bartley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-071248 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Professional Dr, Alton, IL 62002
- Phone
- (618) 463-8626
- Enumerated
- Aug 25, 2005
- Entity
- Type 1 · individual
Also registered at 1 Professional Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Baalman, FNP-BCAdult Health Nurse Practitioner1912236183
- Stephanie Gabathuler, M.D.Family Medicine Physician1457647927
- Kristyn Hager, DPTPhysical Therapist1386047058
- Haley Kearby, PTAPhysical Therapy Assistant1770053928
- James Kliefoth, MDSurgery Physician1043203250
- Kelly Lindsey, MDPediatrics Physician1225021165
Verify William Bartley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-071248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
7,940 Medicare Part D claims for 486 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium424 claims
- Metoprolol Succinate364 claims
- Amlodipine Besylate303 claims
- Levothyroxine Sodium246 claims
- Lisinopril241 claims
- Metformin Hcl224 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $457.43
16 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Fairview Heights Medical Group SCAlton, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
29 internal medicine physician records list a Alton practice address
They are 29 of the 1,113 NPPES records with a Alton practice address, and 8,522 internal medicine physician records in Illinois.
All 29 in Alton → All 8,522 in Illinois → Every provider in Alton →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is William Bartley, MD's NPI number?
William Bartley, MD's National Provider Identifier (NPI) is 1134112097, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Bartley, MD located?
The NPPES record lists a practice address at 1 Professional Dr, Alton, IL, 62002. Phone: (618) 463-8626. Providers update this record themselves, so call before visiting.
How can I verify William Bartley, MD's license?
NPPES lists Illinois license number 036-071248, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Bartley, MD prescribe under Medicare Part D?
In 2024, William Bartley, MD had 7,940 Medicare Part D claims for 486 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.