Doctor profile · Federal record

Dr. William Nunemaker, DO

Hospitalist Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Knoxville, TN

  • NPI 1841787223
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1924 Alcoa Hwy # U56
Knoxville, TN 379201511
(865) 305-9081
fax (865) 305-8769
Mailing address
Po Box 415000-Msc8135
Nashville, TN 372418135

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
July 14, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Tennessee #4345

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841787223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
710
Distinct HCPCS
4
Medicare allowed
$64,144
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 327 126 $69
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 198 94 $103
99239 Hospital discharge day management, more than 30 minutes 126 125 $99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 59 $150

In context: peer comparison

Among 26 peers in this city , average services per provider: 107. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$197
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 3 $57.56
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 4 $56.65
Mallinckrodt Hospital Products Inc. 1 $32.93
Merck Sharp & Dohme LLC 1 $31.24
ABBVIE INC. 1 $18.56

By nature of payment

Food and Beverage
$197

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
252
Patients
146
Total drug cost
$11,590
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 32 24 $478
Cefdinir Generic 30 30 $337
Atorvastatin Calcium Generic 26 15 $635
Prednisone Generic 18 18 $76
Doxycycline Hyclate Generic 17 17 $246
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $141
Eliquis (Apixaban) Brand 15 0 $8,726
Carvedilol Generic 14 0 $84
Levofloxacin Generic 14 14 $88
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $66

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Nunemaker's medical specialty?
Dr. William Nunemaker practices Hospitalist Physician in Knoxville, TN.
Where does Dr. William Nunemaker practice?
Dr. William Nunemaker practices at 1924 Alcoa Hwy # U56, Knoxville, TN 379201511. Office phone: 8653059081.
What is Dr. William Nunemaker's NPI?
Dr. William Nunemaker's National Provider Identifier (NPI) is 1841787223, issued by NPPES.
Does Dr. William Nunemaker accept Medicare assignment?
Yes. Dr. William Nunemaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Nunemaker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.