William F. Alexander, M.D.
Gastroenterology Physician · Nashville, TN
William F. Alexander, M.D. is a gastroenterology physician with a practice address in Nashville, Tennessee, and NPI 1609848738, issued on Feb 2, 2006. Check the license (Tennessee MD0000018809, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William F. Alexander
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD0000018809 TN
Self-reported in NPPES; status is on the state search - Practice location
- 343 22ND Ave N, Nashville, TN 37203
- Phone
- (615) 327-7835
- Enumerated
- Feb 2, 2006
- Record last updated
- Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (615) 321-4146
- Medicaid IDs
- 3034431 TN
3034434 TN
64913668 KY - Medicare enrollment
- Enrolled (PECOS I20080617000194); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Verify William F. Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000018809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,142 Medicare Part D claims for 295 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 37 claims were for opioids.
Most prescribed
- Metoclopramide Hcl395 claims
- Pantoprazole Sodium246 claims
- Famotidine223 claims
- Dicyclomine Hcl106 claims
- Linzess75 claims
- Omeprazole70 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: $346.53
11 payments; by number, the most common kind was food and beverage; the largest payer was Evoke Pharma, Inc. 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 3 group practices
- Advanced Diagnostic Imaging PCMcMinnville, TN
- Saint Thomas Medical PartnersMurfreesboro, TN
- UT Regional One Physicians IncMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William F. Alexander among 384 gastroenterology physician records in Tennessee
William F. Alexander, M.D. is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1983 · median 2001 among the 255 with a school on file
- Record last updated2021 · 48% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Nashville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Allan Bailey, M.D.Nashville, TN 372031396739140
- Alan Dopp, M.D.Nashville, TN 372031407828221
- Abu Fakhruddin, MDNashville, TN 372031962497867
- Thomas Lewis, MDNashville, TN 372031760478192
- Wallace McGrew, MDNashville, TN 372031629063854
- David McMillen, M.D.Nashville, TN 372031275524936
- Douglas Mitchell, M.D.Nashville, TN 372031033100730
- Joseph Parker, M.D.Nashville, TN 372031013908730
Common questions
What is William F. Alexander, M.D.'s NPI number?
William F. Alexander, M.D.'s National Provider Identifier (NPI) is 1609848738, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William F. Alexander, M.D. located?
The NPPES record lists a practice address at 343 22ND Ave N, Nashville, TN, 37203. Phone: (615) 327-7835. Providers update this record themselves, so call before visiting.
How can I verify William F. Alexander, M.D.'s license?
NPPES lists Tennessee license number MD0000018809, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William F. Alexander, M.D. prescribe under Medicare Part D?
In 2024, William F. Alexander, M.D. had 2,142 Medicare Part D claims for 295 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.