Doctor profile · Federal record

Dr. Marek Gruca, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Christiansburg, VA

  • NPI 1679026561
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2900 Lamb Cir
Christiansburg, VA 24073
(540) 731-2000
fax (540) 731-2659
Additional location
750 E Adams St
Syracuse, NY 132102306
(315) 464-5240

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
July 4, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0101266733

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679026561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
800
Distinct HCPCS
5
Medicare allowed
$85,829
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 310 122 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 269 110 $115
99239 Hospital discharge day management, more than 30 minutes 114 109 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 95 90 $168
99291 Critical care, first 30-74 minutes 12 12 $208

In context: peer comparison

Among 4 peers in this city , average services per provider: 130. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
165
Patients
132
Total drug cost
$10,756
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 19 15 $133
Eliquis (Apixaban) Brand 16 11 $9,674
Furosemide Generic 16 16 $39
Cefdinir Generic 15 15 $205
Prednisone Generic 14 14 $40
Atorvastatin Calcium Generic 13 11 $124
Metoprolol Succinate Generic 13 13 $124
Ondansetron Odt (Ondansetron) Brand 13 13 $140
Oxycodone Hcl Generic 13 13 $67
Amlodipine Besylate Generic 11 11 $60

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marek Gruca's medical specialty?
Dr. Marek Gruca practices Internal Medicine Physician in Christiansburg, VA.
Where does Dr. Marek Gruca practice?
Dr. Marek Gruca practices at 2900 Lamb Cir, Christiansburg, VA 24073. Office phone: 5407312000.
What is Dr. Marek Gruca's NPI?
Dr. Marek Gruca's National Provider Identifier (NPI) is 1679026561, issued by NPPES.
Does Dr. Marek Gruca accept Medicare assignment?
Yes. Dr. Marek Gruca accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marek Gruca 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.