Doctor profile · Federal record

Dr. Mark Knouse, MD

Infectious Disease Physician (CMS: Infectious Disease) · Allentown, PA

  • NPI 1144201765
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 S Cedar Crest Blvd, Suite 200
Allentown, PA 181036224
(610) 402-8430
fax (610) 402-1676
Mailing address
Po Box 783311
Philadelphia, PA 191783311

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 20, 2015
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Pennsylvania #MD029621E
Medicaid
PA #1164760

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144201765. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
413
Distinct HCPCS
8
Medicare allowed
$49,416
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 132 90 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 84 82 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 73 48 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 43 $166
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 18 $116
99215 Established patient office or other outpatient visit, 40-54 minutes 23 18 $174
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $162
99495 Transitional care management services for problem of at least moderate complexity 13 13 $197

In context: peer comparison

Among 9 peers in Allentown Infectious Disease Physician, average services per provider: 87. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insmed, INC. 1 $15.50

By nature of payment

Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
26
Total drug cost
$465,900
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 38 0 $159,578
Descovy (Emtricitabine/Tenofov Alafenam) Brand 37 0 $85,644
Doxycycline Hyclate Generic 33 11 $918
Cefazolin Sodium Generic 29 0 $976
Odefsey (Emtricitab/Rilpiviri/Tenof Ala) Brand 24 0 $81,709
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 23 0 $88,263
Rifampin Generic 23 0 $729
Tivicay (Dolutegravir Sodium) Brand 20 0 $46,081
Azithromycin Generic 19 15 $274
Ethambutol Hcl Generic 12 0 $1,728

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Knouse's medical specialty?
Dr. Mark Knouse practices Infectious Disease Physician in Allentown, PA.
Where does Dr. Mark Knouse practice?
Dr. Mark Knouse practices at 1250 S Cedar Crest Blvd, Allentown, PA 181036224. Office phone: 6104028430.
What is Dr. Mark Knouse's NPI?
Dr. Mark Knouse's National Provider Identifier (NPI) is 1144201765, issued by NPPES.
Does Dr. Mark Knouse accept Medicare assignment?
Yes. Dr. Mark Knouse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Knouse commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.