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DR. HAROLD HENRY BACH IV M.D.
NPI 1184886061
Surgery in Downers Grove, IL

Active since July 01, 2008PECOS EnrolledAccepts Medicare Assignment
3825 HIGHLAND AVE STE 303, DOWNERS GROVE, IL 60515(630) 275-7800(630) 241-9215 Get Directions Write a Review

NPPES record last updated: June 13, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Harold Henry Bach Iv M.d. NPPES

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

DR. HAROLD HENRY BACH IV M.D. (NPI 1184886061) is an individual surgery provider in Downers Grove, Illinois, licensed in Illinois (036.126328) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Advocate Lutheran General Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2008).

NPPES Registry Identity

NPI1184886061
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. HAROLD HENRY BACH IVCredential: M.D.
Location Address3825 HIGHLAND AVE STE 303Downers Grove, IL 60515-1562
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(630) 275-7800
Fax(630) 241-9215
Sole ProprietorYes
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2008
Enumeration DateJuly 1, 2008
Last NPPES UpdateJune 13, 2022
NPPES CertifiedJune 13, 2022
✔ NPI 1184886061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 036.126328
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
3825 HIGHLAND AVE STE 303, Downers Grove, IL 60515
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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. Harold Henry Bach Iv 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 ID7416197173
PECOS Enrollment IDI20130701000719
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 7

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.
119 services100 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.
94 services82 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
74 services24 patients
Removal of skin and tissue, 20.0 sq cm or less 11042
This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.
51 services22 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
24 services16 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.
20 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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

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

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
3 suppliers17 claims350 services$4.90 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 4

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

HAYLEY SPRINGS D.O.
Surgery
3825 HIGHLAND AVE STE 303
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
DR. PAUL GEOFFREY VANA M.D.
Surgery
3825 HIGHLAND AVE STE 303
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
DR. NINA A. PALEOLOGOS MD
Psychiatry & Neurology (Neurology)
3825 HIGHLAND AVE STE 303, ADVOCATE MEDICAL GROUP DOWNERS GROVE HIGHLAND AVENUE
DOWNERS GROVE, IL 60515
Dupage County (844) 376-3876
KAREN L. SCHNEIDER APN
Nurse Practitioner (Family)
3825 HIGHLAND AVE STE 303
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800

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 Harold Bach's NPI number?

The NPI number for Harold Bach is 1184886061. It was assigned to this individual provider in the NPPES registry on July 1, 2008.

Where is Harold Bach located?

Harold Bach practices at 3825 Highland Ave Ste 303, Downers Grove, IL 60515. The listed phone number is (630) 275-7800.

What is Harold Bach's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Harold Bach enrolled in Medicare?

Yes. Harold Bach 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 Harold Bach affiliated with any hospitals?

According to CMS data, Harold Bach is affiliated with Advocate Lutheran General Hospital and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Harold Bach was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.