Doctor profile · Federal record

Dr. Alex Zawoloka, M.D.

Hospitalist Physician (CMS: Hospitalist) · Onancock, VA

  • NPI 1750544144
  • Accepts Medicare
  • MIPS 94.1 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20480 Market St
Onancock, VA 234174309
(757) 302-2100
fax (757) 302-2343
Mailing address
856 J Clyde Morris Blvd Ste A
Newport News, VA 236011318

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
September 15, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Virginia #0101247853
Medicaid
VA #1750544144

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750544144. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
949
Distinct HCPCS
7
Medicare allowed
$102,945
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 317 179 $77
99239 Hospital discharge day management, more than 30 minutes 317 279 $111
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 149 96 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 93 93 $171
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 36 36 $122
99291 Critical care, first 30-74 minutes 19 12 $195
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 18 18 $131

In context: peer comparison

Among 2 peers in this city , average services per provider: 161. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
358
Patients
206
Total drug cost
$13,419
Drug Type Claims Patients Total cost
Furosemide Generic 51 30 $151
Metoprolol Succinate Generic 28 15 $205
Atorvastatin Calcium Generic 26 18 $168
Potassium Chloride Generic 25 23 $364
Amlodipine Besylate Generic 24 12 $71
Methylprednisolone Generic 24 22 $234
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 24 24 $92
Losartan Potassium Generic 22 0 $113
Carvedilol Generic 21 0 $136
Cephalexin Generic 21 19 $148

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Zawoloka's medical specialty?
Dr. Alex Zawoloka practices Hospitalist Physician in Onancock, VA.
Where does Dr. Alex Zawoloka practice?
Dr. Alex Zawoloka practices at 20480 Market St, Onancock, VA 234174309. Office phone: 7573022100.
What is Dr. Alex Zawoloka's NPI?
Dr. Alex Zawoloka's National Provider Identifier (NPI) is 1750544144, issued by NPPES.
Does Dr. Alex Zawoloka accept Medicare assignment?
Yes. Dr. Alex Zawoloka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Zawoloka commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.