William C. Penley, M.D.
Medical Oncology Physician · Nashville, TN
William C. Penley, M.D. is a medical oncology physician with a practice address in Nashville, Tennessee, and NPI 1194743914, issued on Jul 18, 2006. Check the license (Tennessee 16053, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William C. Penley
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 16053 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2004 Hayes St Ste 350, Nashville, TN 37203
- Phone
- (615) 312-3333
- Enumerated
- Jul 18, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (615) 320-7091
- Medicaid IDs
- 64794274 KY
3018083 TN - Medicare enrollment
- Enrolled (PECOS I20041013000631); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 114 in Tennessee → Look up another NPI →
Also registered at 2004 Hayes St Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Bober, APRNFamily Nurse Practitioner1740981026
- Katherine Castle, M.D.Radiation Oncology Physician1336561539
- Sarah Deline, APRNFamily Nurse Practitioner1801254925
- Habib Doss, MDHematology & Oncology Physician1174565543
- Tammy EasterlyFamily Nurse Practitioner1649768805
- Robert Green, M.D.Hematology & Oncology Physician1396741377
Verify William C. Penley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 16053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical oncology physician in 2024
15 Medicare Part D claims for 13 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $28.80
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Tennessee Oncology PLLCLebanon, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Penley among 114 medical oncology physician records in Tennessee
William C. Penley, M.D. is one of 114 medical oncology physician records with a practice address in Tennessee. 82% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1982 · median 2000 among the 79 with a school on file
- Record last updated2022 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Tennessee
There are 114 medical oncology physician records in Tennessee.
All 114 in Tennessee → Every provider in Nashville → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Howard Burris, M.D.Nashville, TN 372031417992397
- Frank Greco, MDNashville, TN 372031497791602
- John Hainsworth, MDNashville, TN 372031275578684
- Jeffrey Infante, MDNashville, TN 372031396848271
- Melissa Johnson, MDNashville, TN 372031821269465
- Nancy Peacock, MDNashville, TN 372031194751354
- Jeff Russell, M.D., PH.D.Nashville, TN 372031790928729
- Stephen Schleicher, M.D.Nashville, TN 372031336433549
Common questions
What is William C. Penley, M.D.'s NPI number?
William C. Penley, M.D.'s National Provider Identifier (NPI) is 1194743914, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Penley, M.D. located?
The NPPES record lists a practice address at 2004 Hayes St Ste 350, Nashville, TN, 37203. Phone: (615) 312-3333. Providers update this record themselves, so call before visiting.
How can I verify William C. Penley, M.D.'s license?
NPPES lists Tennessee license number 16053, 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 C. Penley, M.D. prescribe under Medicare Part D?
In 2024, William C. Penley, M.D. had 15 Medicare Part D claims for 13 beneficiaries; the average among medical oncology physician prescribers was 703. 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.