Doctor profile · Federal record

Dr. Thomas Smarz, M.D.

Nephrology Physician (CMS: Nephrology) · Charlotte, NC

  • NPI 1639229206
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7903 Providence RD Ste 110
Charlotte, NC 282778300
(704) 248-5101
fax (704) 248-0150
Mailing address
Po Box 37938
Charlotte, NC 282377938

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 7, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
North Carolina #2001-00786
Medicaid (2)
SC #N0078F · NC #5909739

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639229206. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,115
Distinct HCPCS
10
Medicare allowed
$250,622
HCPCS Description Services Patients Avg allowed
J1756 Injection, iron sucrose, 1 mg 3,400 15 $0
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 1,430 33 $8
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 332 56 $345
36415 Insertion of needle into vein for collection of blood sample 310 165 $8
80069 Kidney function blood test panel 307 166 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 281 147 $98
84156 Total protein level, urine 274 152 $4
82570 Creatinine level to test for kidney function or muscle injury 271 152 $5
81001 Manual urinalysis test with examination using microscope, automated 235 146 $3
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 167 110 $6

In context: peer comparison

Among 12 peers in Charlotte Nephrology Physician, average services per provider: 194. This provider delivers 42× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 1 $16.89

By nature of payment

Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
310
Patients
89
Total drug cost
$6,139
Drug Type Claims Patients Total cost
Furosemide Generic 69 25 $277
Amlodipine Besylate Generic 64 30 $615
Lisinopril Generic 47 20 $386
Losartan Potassium Generic 44 14 $756
Clonidine Generic 19 0 $3,077
Allopurinol Generic 15 0 $209
Potassium Chloride Generic 14 0 $72
Calcitriol Generic 13 0 $97
Valsartan Generic 13 0 $498
Spironolactone Generic 12 0 $153

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Smarz's medical specialty?
Dr. Thomas Smarz practices Nephrology Physician in Charlotte, NC.
Where does Dr. Thomas Smarz practice?
Dr. Thomas Smarz practices at 7903 Providence RD Ste 110, Charlotte, NC 282778300. Office phone: 7042485101.
What is Dr. Thomas Smarz's NPI?
Dr. Thomas Smarz's National Provider Identifier (NPI) is 1639229206, issued by NPPES.
Does Dr. Thomas Smarz accept Medicare assignment?
Yes. Dr. Thomas Smarz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Smarz commonly perform?
Top Medicare-reported procedures in 2023: Injection, iron sucrose, 1 mg (HCPCS J1756); Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS J0885); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.