William C. Lopez, M.D.
Gastroenterology Physician · Birmingham, AL
William C. Lopez, M.D. is a gastroenterology physician with a practice address in Birmingham, Alabama, and NPI 1013998228, issued on Nov 7, 2005. Check the license (Alabama 1088, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William C. Lopez
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 1088 AL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Pilot Medical Dr, Birmingham, AL 35235
- Phone
- (205) 854-8404
- Enumerated
- Nov 7, 2005
- Record last updated
- Oct 5, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (205) 854-4302
- Medicare enrollment
- Enrolled (PECOS I20101110000031); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 232 in Alabama → Look up another NPI →
Also registered at 100 Pilot Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua Cockrell, M.D.Interventional Cardiology Physician1104037027
- Brian Flowers, MDCardiovascular Disease Physician1013129105
- Joshua Gautney, MDPulmonary Disease Physician1346602752
- Amy Hill, CRNPFamily Nurse Practitioner1326403577
- Arisha LakhaniNurse Practitioner1053011486
- Stephanie Lange, CRNPNurse Practitioner1457692568
Verify William C. Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 1088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average gastroenterology physician in 2024
1,540 Medicare Part D claims for 713 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Gavilyte-G246 claims
- Pantoprazole Sodium239 claims
- Peg-3350 And Electrolytes211 claims
- Linzess75 claims
- Omeprazole63 claims
- Sucralfate50 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.
The MIPS final score for 2023 (Medicare payment program): 80.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,768.13
85 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Gastroenterology Associates OF North-Central Alabama IncBirmingham, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Lopez among 232 gastroenterology physician records in Alabama
William C. Lopez, M.D. is one of 232 gastroenterology physician records with a practice address in Alabama. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1982 · median 2000 among the 161 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Alabama
There are 232 gastroenterology physician records in Alabama.
All 232 in Alabama → Every provider in Birmingham → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Miles Gresham, M.D.Birmingham, AL 352351548203680
- Rohit Malik, MDBirmingham, AL 352351144285164
- Mukul Mehra, MDBirmingham, AL 352351821053455
- Mohit Mehra, MDBirmingham, AL 352351831301480
- Faris Pacha, D.O.Birmingham, AL 352351750829685
- Robert Shaffer, M.D.Birmingham, AL 352351528002151
- Ralph Lyerly, M.D.Birmingham, AL 352341578516076
- Thaer Abdelfattah, M.D.Birmingham, AL 352331346796091
Common questions
What is William C. Lopez, M.D.'s NPI number?
William C. Lopez, M.D.'s National Provider Identifier (NPI) is 1013998228, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William C. Lopez, M.D. located?
The NPPES record lists a practice address at 100 Pilot Medical Dr, Birmingham, AL, 35235. Phone: (205) 854-8404. Providers update this record themselves, so call before visiting.
How can I verify William C. Lopez, M.D.'s license?
NPPES lists Alabama license number 1088, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William C. Lopez, M.D. prescribe under Medicare Part D?
In 2024, William C. Lopez, M.D. had 1,540 Medicare Part D claims for 713 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is William C. Lopez, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.