1. Home
  2. Directory
  3. Pennsylvania
  4. Allentown
  5. Internal Medicine
  6. NPI Profile

MARK CHRISTIAN KNOUSE MD
NPI 1144201765
Internal Medicine - Infectious Disease in Allentown, PA

Active since November 10, 2005PECOS EnrolledAccepts Medicare Assignment
1250 S CEDAR CREST BLVD, SUITE 200, ALLENTOWN, PA 18103(610) 402-8430(610) 402-1676 Get Directions Write a Review

NPPES record last updated: November 20, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark Christian Knouse Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK CHRISTIAN KNOUSE MD (NPI 1144201765) is an individual infectious disease provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD029621E) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1983).

NPPES Registry Identity

NPI1144201765
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMARK CHRISTIAN KNOUSECredential: MD
Location Address1250 S CEDAR CREST BLVD, SUITE 200Allentown, PA 18103-6224
Mailing AddressPo Box 783311Philadelphia, PA 19178-3311 · (484) 884-4500 · Fax (484) 884-0628
Phone(610) 402-8430
Fax(610) 402-1676
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1983
Enumeration DateNovember 10, 2005
Last NPPES UpdateNovember 20, 2015
✔ NPI 1144201765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in PA · MD029621E
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1250 S CEDAR CREST BLVD, Allentown, PA 18103
Open in Google Maps ↗

Other Identifiers 2

Medicaid1164760PA
Medicare UPIND65400

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Christian Knouse Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527097500
PECOS Enrollment IDI20061120000610
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
115 services85 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
89 services59 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
75 services73 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
56 services41 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
29 services29 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
14 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA MARY BOEHMLER MD
Internal Medicine (Critical Care Medicine)
1250 S CEDAR CREST BLVD, SUITE 205
ALLENTOWN, PA 18103
Lehigh County (610) 439-8856
LEHIGH VALLEY PHYSICIAN GROUP
Psychiatry & Neurology (Psychiatry)
1250 S CEDAR CREST BLVD, SUITE 410
ALLENTOWN, PA 18103
Lehigh County (610) 402-3500
VSAS ORTHOPAEDICS PC
Occupational Therapist
1250 S CEDAR CREST BLVD, SUITE 110
ALLENTOWN, PA 18103
Lehigh County (610) 435-1003
MISS LINDSEY R. REYES PA-C
Physician Assistant (Medical)
1250 S CEDAR CREST BLVD, STE 300
ALLENTOWN, PA 18103
Lehigh County (610) 402-3110
ANDREW BERNER CRNP
Nurse Practitioner (Family)
1250 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Lehigh County (610) 402-2273
JAMES A BURKE MD
Internal Medicine (Interventional Cardiology)
1250 S CEDAR CREST BLVD, SUITE 300
ALLENTOWN, PA 18103
Lehigh County (610) 402-3110
MR. JAMES BAGLEY PA-C
Physician Assistant (Medical)
1250 S CEDAR CREST BLVD, STE 205
ALLENTOWN, PA 18103
Lehigh County (610) 439-8856
ADAM B. EDWARDS MD
Psychiatry & Neurology (Neurocritical Care)
1250 S CEDAR CREST BLVD, SUITE 405
ALLENTOWN, PA 18103
Lehigh County (610) 402-8420

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Knouse's NPI number?

The NPI number for Mark Knouse is 1144201765. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Mark Knouse located?

Mark Knouse practices at 1250 S Cedar Crest Blvd Suite 200, Allentown, PA 18103. The listed phone number is (610) 402-8430.

What is Mark Knouse's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Mark Knouse enrolled in Medicare?

Yes. Mark Knouse is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Knouse accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and WellSense Health Plan list Mark Knouse as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Knouse was last updated on November 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.