Doctor profile · Federal record

Dr. John Mattern, DO

Hospitalist Physician (CMS: Hospitalist) · Fishersville, VA

  • NPI 1164495354
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
78 Medical Center Dr
Fishersville, VA 229392332
(540) 932-4075
fax (540) 932-5199
Additional location
500 Martha Jefferson Dr
Charlottesville, VA 229114668
(434) 654-7580
fax (434) 654-7582
Mailing address
Po Box 388
Fishersville, VA 229390388

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 8, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Virginia #0102201424
Medicaid
VA #005886945

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164495354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
480
Distinct HCPCS
10
Medicare allowed
$57,857
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 107 61 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99 98 $171
99239 Hospital discharge day management, more than 30 minutes 96 96 $112
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 75 52 $118
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 22 $129
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 17 $49
99291 Critical care, first 30-74 minutes 20 13 $211
99238 Hospital discharge day management, 30 minutes or less 15 14 $75
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 13 13 $181
99284 Emergency department visit with moderate level of medical decision making 11 11 $120

In context: peer comparison

Among 13 peers in this city , average services per provider: 107. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
0
Total drug cost
$169
Drug Type Claims Patients Total cost
Prednisone Generic 11 0 $50
Spironolactone Generic 11 0 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mattern's medical specialty?
Dr. John Mattern practices Hospitalist Physician in Fishersville, VA.
Where does Dr. John Mattern practice?
Dr. John Mattern practices at 78 Medical Center Dr, Fishersville, VA 229392332. Office phone: 5409324075.
What is Dr. John Mattern's NPI?
Dr. John Mattern's National Provider Identifier (NPI) is 1164495354, issued by NPPES.
Does Dr. John Mattern accept Medicare assignment?
Yes. Dr. John Mattern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mattern commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.