Doctor profile · Federal record

Dr. William Penley, M.D.

Medical Oncology Physician (CMS: Hematology/Oncology) · Nashville, TN

  • NPI 1194743914
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2004 Hayes St Ste 350
Nashville, TN 372032650
(615) 312-3333
fax (615) 320-7091
Mailing address
Po Box 440100
Nashville, TN 372440100

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Tennessee #16053
Medicaid (2)
KY #64794274 · TN #3018083

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194743914. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
429
Distinct HCPCS
10
Medicare allowed
$11,889
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 188 15 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 44 42 $83
36415 Insertion of needle into vein for collection of blood sample 32 24 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 32 24 $8
80053 Blood test, comprehensive group of blood chemicals 30 22 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 28 28 $118
96372 Injection of drug or substance under skin or into muscle 22 20 $13
96413 Administration of chemotherapy into vein, 1 hour or less 22 19 $116
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 18 13 $26
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 13 12 $57

In context: peer comparison

Among 19 peers in this city , average services per provider: 1,132. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $28.80

By nature of payment

Food and Beverage
$29

Frequently asked questions

Auto-generated from federal data
What is Dr. William Penley's medical specialty?
Dr. William Penley practices Medical Oncology Physician in Nashville, TN.
Where does Dr. William Penley practice?
Dr. William Penley practices at 2004 Hayes St Ste 350, Nashville, TN 372032650. Office phone: 6153123333.
What is Dr. William Penley's NPI?
Dr. William Penley's National Provider Identifier (NPI) is 1194743914, issued by NPPES.
Does Dr. William Penley accept Medicare assignment?
Yes. Dr. William Penley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Penley commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.