Doctor profile · Federal record

Dr. John Viehman, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Pittsburgh, PA

  • NPI 1629205877
  • Accepts Medicare
  • MIPS 77.5 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 5Th Ave, Falk Clinic Suite 700
Pittsburgh, PA 152133403
(412) 647-7228
Mailing address
2 Hot Metal St, Quantum One, Suite 001
Pittsburgh, PA 152032348

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
July 27, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Pennsylvania #MD453968
Medicaid
PA #103012349

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629205877. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
4
Medicare allowed
$16,843
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 123 42 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 33 24 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 23 20 $64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 22 21 $127

In context: peer comparison

Among 33 peers in Pittsburgh Infectious Disease Physician, average services per provider: 187. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
211
Patients
23
Total drug cost
$6,595
Drug Type Claims Patients Total cost
Amikacin Sulfate Generic 51 0 $1,476
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 35 11 $995
Doxycycline Hyclate Generic 29 12 $1,349
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 22 0 $361
Cephalexin Generic 17 0 $319
Doxycycline Monohydrate Generic 12 0 $344
Fluconazole Generic 12 0 $171
Azithromycin Generic 11 0 $158
Ethambutol Hcl Generic 11 0 $731
Rifampin Generic 11 0 $689

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Viehman's medical specialty?
Dr. John Viehman practices Infectious Disease Physician in Pittsburgh, PA.
Where does Dr. John Viehman practice?
Dr. John Viehman practices at 3601 5Th Ave, Pittsburgh, PA 152133403. Office phone: 4126477228.
What is Dr. John Viehman's NPI?
Dr. John Viehman's National Provider Identifier (NPI) is 1629205877, issued by NPPES.
Does Dr. John Viehman accept Medicare assignment?
Yes. Dr. John Viehman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Viehman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.