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DR. MARK L SWITZER M.D.
NPI 1336181395
Hospitalist in Bolingbrook, IL

Active since June 12, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
1000 REMINGTON BLVD, SUITE 200, BOLINGBROOK, IL 60440(630) 312-7755(630) 856-9933 Get Directions Write a Review

NPPES record last updated: March 6, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark L Switzer M.d. NPPES

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

DR. MARK L SWITZER M.D. (NPI 1336181395) is an individual hospitalist provider in Bolingbrook, Illinois, licensed in Illinois (036102478) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Hinsdale Hospital, and is a graduate of University Of Nebraska College Of Medicine (1996).

NPPES Registry Identity

NPI1336181395
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MARK L SWITZERCredential: M.D.
Location Address1000 REMINGTON BLVD, SUITE 200Bolingbrook, IL 60440-5114
Mailing Address1000 Remington Blvd, Suite 200Bolingbrook, IL 60440-5114 · (630) 312-7755 · Fax (630) 856-9933
Phone(630) 312-7755
Fax(630) 856-9933
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 1996
Enumeration DateJune 12, 2006
Last NPPES UpdateMarch 6, 2017
✔ NPI 1336181395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036102478
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036102478 (IL)
Also ListedPediatricsTaxonomy 208000000X · License 036102478 (IL)
1000 REMINGTON BLVD, Bolingbrook, IL 60440
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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

Dr. Mark L Switzer M.d. 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 ID8224037072
PECOS Enrollment IDI20061205000662
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 5

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 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.
222 services58 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.
114 services108 patients
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.
90 services32 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services23 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
24 services24 patients

Hospital Affiliations CMS Care Compare 2

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

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140122
Location120 North Oak StHinsdale, IL 60521 · Du Page County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140304
Location500 Remington BoulevardBolingbrook, IL 60440 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60440 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

ADVENTIST HEALTH PARTNERS, INC
Internal Medicine
1000 REMINGTON BLVD, STE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7865
DR. HELEN FERNG M.D.
Internal Medicine
1000 REMINGTON BLVD, SUITE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7755
DR. ALI H BAWAMIA MD
Hospitalist
1000 REMINGTON BLVD, SUITE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7755
MELISSA MARIE KELLY DO
Hospitalist
1000 REMINGTON BLVD, SUITE 200 ATTN: AIM
BOLINGBROOK, IL 60440
Will County (630) 312-7755
DR. STEPHEN LEE
Hospitalist
1000 REMINGTON BLVD, SUITE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7755
DR. HYTHEM R. ZAYED MD, MPH
Hospitalist
1000 REMINGTON BLVD, SUITE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7755
PATTERSON MEDICAL SUPPLY, INC
Durable Medical Equipment & Medical Supplies
1000 REMINGTON BLVD, STE 210
BOLINGBROOK, IL 60440
Will County (630) 378-6285
MILIND SHAM SHIRSAT DO
Hospitalist
1000 REMINGTON BLVD, SUITE 200
BOLINGBROOK, IL 60440
Will County (630) 312-7755

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 Switzer's NPI number?

The NPI number for Mark Switzer is 1336181395. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Mark Switzer located?

Mark Switzer practices at 1000 Remington Blvd Suite 200, Bolingbrook, IL 60440. The listed phone number is (630) 312-7755.

What is Mark Switzer's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Mark Switzer enrolled in Medicare?

Yes. Mark Switzer 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.

Is Mark Switzer affiliated with any hospitals?

According to CMS data, Mark Switzer is affiliated with Adventist Hinsdale Hospital and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Mark Switzer was last updated on March 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.