Doctor profile · Federal record

Dr. Karl Thomas, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Winston Salem, NC

  • NPI 1255329108
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Medical Center Blvd
Winston Salem, NC 271570001
(336) 716-2255
fax (336) 716-3202

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
January 18, 2024
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
North Carolina #2016-01177 · Iowa #32457
Medicaid
IA #0197087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255329108. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,099
Distinct HCPCS
10
Medicare allowed
$46,430
HCPCS Description Services Patients Avg allowed
94729 Test to examine how well the lungs exchange gases 270 236 $42
94726 Test to determine lung volumes using sensors 213 189 $37
94060 Test to measure expiratory airflow and volume changes before and after medication administration 176 159 $25
94010 Test to measure expiratory airflow and volume 175 152 $16
94618 Test for exercise-induced lung stress 65 64 $11
99291 Critical care, first 30-74 minutes 53 30 $203
94727 Test to determine lung volumes using gas dilution or washout 40 40 $30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 16 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 17 $114
99214 Established patient office or other outpatient visit, 30-39 minutes 22 17 $121

In context: peer comparison

Among 12 peers in Winston Salem Pulmonary Disease Physician, average services per provider: 76. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
147
Patients
0
Total drug cost
$26,400
Drug Type Claims Patients Total cost
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 23 0 $11,436
Incruse Ellipta (Umeclidinium Bromide) Brand 21 0 $8,051
Azithromycin Generic 19 0 $421
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $455
Lisinopril Generic 13 0 $13
Carvedilol Generic 12 0 $153
Furosemide Generic 12 0 $33
Prednisone Generic 12 0 $38
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 11 0 $5,476
Hydralazine Hcl Generic 11 0 $324

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Thomas's medical specialty?
Dr. Karl Thomas practices Pulmonary Disease Physician in Winston Salem, NC.
Where does Dr. Karl Thomas practice?
Dr. Karl Thomas practices at Medical Center Blvd, Winston Salem, NC 271570001. Office phone: 3367162255.
What is Dr. Karl Thomas's NPI?
Dr. Karl Thomas's National Provider Identifier (NPI) is 1255329108, issued by NPPES.
Does Dr. Karl Thomas accept Medicare assignment?
Yes. Dr. Karl Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Thomas commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using sensors (HCPCS 94726); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060). Source: CMS Medicare Physician & Other Practitioners file.