MICHAEL L ZAGER MD
NPI 1326087362
Internal Medicine in Allentown, PA

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
798 HAUSMAN RD, SUITE 100, ALLENTOWN, PA 18104(610) 336-8260(610) 336-8269 Get Directions Write a Review

NPPES record last updated: March 3, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Michael L Zager Md NPPES

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

MICHAEL L ZAGER MD (NPI 1326087362) is an individual internal medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD052741L) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Schuylkill Medical Center - South Jackson Street, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1326087362
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL L ZAGERCredential: MD
Location Address798 HAUSMAN RD, SUITE 100Allentown, PA 18104-9108
Mailing AddressPo Box 783311Philadelphia, PA 19178-1754 · (484) 884-4500 · Fax (484) 884-0699
Fax(610) 336-8269
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJune 5, 2006
Last NPPES UpdateMarch 3, 2016
NPI 1326087362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in PA · MD052741L
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
798 HAUSMAN RD, Allentown, PA 18104

Other Identifiers 3

Medicare UPINF87817PA
Other0726592000PA · Keystone East
Other431890PA · Highmark Blue Shield

Accepted 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

Michael L Zager 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 ID1456494087
PECOS Enrollment IDI20100204000744
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 17

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.
449 services232 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.
314 services215 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
177 services177 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.
139 services81 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.
90 services89 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.
83 services83 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Schuylkill Medical Center - South Jackson Street

Acute Care Hospitals · Pottsville, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390030
Location420 South Jackson StreetPottsville, PA 17901 · Schuylkill County
Emergency services Birthing friendly

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390049
Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County
Emergency services Birthing friendly

Lehigh Valley Hospital

Acute Care Hospitals · Allentown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390133
Location1200 South Cedar Crest BoulevardAllentown, PA 18103 · Lehigh County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18104 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.

Referred Medical Equipment & Supplies CMS DME claims 19

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
17 suppliers49 claims100 services$6.09 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers20 claims26 services$1.05 avg. paid by Medicare
Male external catheter, with or without adhesive, disposable, each A4349
DME-Medical/Surgical Supplies · category DA000N
1 supplier12 claims360 services$1.78 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
1 supplier12 claims24 services$8.14 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
2 suppliers16 claims16 services$33.06 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers12 claims24 services$1.21 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Physician Assistant
798 HAUSMAN RD, SUITE 270
ALLENTOWN, PA 18104
Occupational Therapist
798 HAUSMAN RD, STE 200
ALLENTOWN, PA 18104
Internal Medicine
798 HAUSMAN RD, SUITE 270
ALLENTOWN, PA 18104
Internal Medicine (Rheumatology)
798 HAUSMAN RD
ALLENTOWN, PA 18104
Radiology (Diagnostic Radiology)
798 HAUSMAN RD
ALLENTOWN, PA 18104
Internal Medicine
798 HAUSMAN RD, SUITE 220
ALLENTOWN, PA 18104
Internal Medicine
798 HAUSMAN RD, SUITE 220
ALLENTOWN, PA 18104
Internal Medicine
798 HAUSMAN RD, SUITE 270
ALLENTOWN, PA 18104

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 Michael Zager's NPI number?

The NPI number for Michael Zager is 1326087362. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Michael Zager located?

Michael Zager practices at 798 Hausman Rd Suite 100, Allentown, PA 18104. The listed phone number is (610) 336-8260.

What is Michael Zager's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Zager enrolled in Medicare?

Yes. Michael Zager 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 Michael Zager accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Michael Zager 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.

Is Michael Zager affiliated with any hospitals?

According to CMS data, Michael Zager is affiliated with Schuylkill Medical Center - South Jackson Street, St Luke's Hospital Bethlehem and Lehigh Valley Hospital.

When was this NPI record last updated?

The NPPES record for Michael Zager was last updated on March 3, 2016. 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.