Doctor profile · Federal record

Dr. Clark Sherer, MD

Infectious Disease Physician (CMS: Infectious Disease) · Elizabeth, NJ

  • NPI 1629048541
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
225 Williamson St
Elizabeth, NJ 072023625
(908) 325-6322
fax (908) 325-6343

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
June 25, 2010
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
New Jersey #MA53108
Medicaid
NJ #0969109

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629048541. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
578
Distinct HCPCS
4
Medicare allowed
$46,060
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 427 112 $53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 89 75 $186
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 25 $85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 25 $140

In context: peer comparison

Among 2 peers in Elizabeth Infectious Disease Physician, average services per provider: 415. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
0
Total drug cost
$296,862
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 26 0 $102,907
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 24 0 $109,591
Intelence (Etravirine) Brand 13 0 $20,590
Isentress (Raltegravir Potassium) Brand 13 0 $26,825
Lorazepam Generic 13 0 $575
Morphine Sulfate ER (Morphine Sulfate) Brand 13 0 $878
Prezista (Darunavir) Brand 13 0 $29,326
Ritonavir Generic 13 0 $5,780
Zolpidem Tartrate Generic 13 0 $390

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clark Sherer's medical specialty?
Dr. Clark Sherer practices Infectious Disease Physician in Elizabeth, NJ.
Where does Dr. Clark Sherer practice?
Dr. Clark Sherer practices at 225 Williamson St, Elizabeth, NJ 072023625. Office phone: 9083256322.
What is Dr. Clark Sherer's NPI?
Dr. Clark Sherer's National Provider Identifier (NPI) is 1629048541, issued by NPPES.
Does Dr. Clark Sherer accept Medicare assignment?
Yes. Dr. Clark Sherer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clark Sherer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.