CHARLES PATRICK BACH MD
NPI 1609436898
Emergency Medicine in Iowa City, IA

Q: What is Charles Bach's NPI number?

The NPI number for Charles Bach is 1609436898. It was assigned to this individual provider in the NPPES registry on June 19, 2019.

Q: What is Charles Bach's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Bach was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 19, 2019PECOS EnrolledAccepts Medicare Assignment

200 HAWKINS DR DEPT OF, IOWA CITY, IA 52242(319) 356-2233 Get Directions Write a Review

NPPES record last updated: June 19, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Charles Patrick Bach Md NPPES

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

CHARLES PATRICK BACH MD (NPI 1609436898) is an individual emergency medicine provider in Iowa City, Iowa, licensed in Iowa (R-11685) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and is a graduate of University Of Wisconsin School Of Medicine (2019).

NPPES Registry Identity

NPI1609436898

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameCHARLES PATRICK BACHCredential: MD

Location Address200 HAWKINS DR DEPT OFIowa City, IA 52242-1009

Mailing Address200 Hawkins Dr Dept OfIowa City, IA 52242-1009

Phone(319) 356-2233

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2019

Enumeration DateJune 19, 2019

✔ NPI 1609436898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IA · R-11685

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

200 HAWKINS DR DEPT OF, Iowa City, IA 52242

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles Patrick Bach 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 ID4981939097

PECOS Enrollment IDI20250814000988, I20250814001327

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.

Medicare Billing Reassignments

Medicare enrollment records show Charles Bach reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johnson County Emergency Medicine, Plc

1.1 mi

Emergency Medicine

500 E MARKET ST
Iowa City, IA 52245

Reassigned Medicare billing, Iowa enrollment
55 clinicians in this Medicare group

NPI 1316582729 (817) 451-4208

Linn County Emergency Medicine PC

23 mi

Emergency Medicine

701 10TH ST SE
Cedar Rapids, IA 52403

Reassigned Medicare billing, Iowa enrollment
51 clinicians in this Medicare group

NPI 1679521124 (319) 398-6297

Rockford Health Physicians

134 mi

Anesthesiology

2400 N ROCKTON AVE
Rockford, IL 61103

Reassigned Medicare billing, Illinois enrollment
1,375 clinicians in this Medicare group

NPI 1023275278 (815) 971-5000

Mercy Health System Corporation

147 mi

Multi-Specialty

580 N WASHINGTON ST
Janesville, WI 53548

Reassigned Medicare billing, Illinois and Wisconsin enrollments
Also billed through NPI 1699728550 (Wisconsin)
671 clinicians in this Medicare group

NPI 1598718603 (608) 741-7630

Mercy Harvard Hospital Inc

160 mi

Critical Access

901 GRANT ST
Harvard, IL 60033

Reassigned Medicare billing, Illinois enrollment
382 clinicians in this Medicare group

NPI 1427001445 (815) 943-5431

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

156 services153 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

54 services52 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.

36 services36 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520066

Location1000 Mineral Point AveJanesville, WI 53548 · Rock County

Emergency services Birthing friendly

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521357

LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

DR. EDWARD ALEXANDER REKART MD

Emergency Medicine

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 356-1616

HANI ASSOUM M.D.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

200 HAWKINS DR DEPT OF, 01017 JPP
IOWA CITY, IA 52242

Johnson County (319) 353-6883

CASEY EDWARDS MD

Anesthesiology

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 356-2210

HASHIM SULTAN CHAUDHRY

Internal Medicine

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 384-7788

MEGAN KAVANAUGH

Pediatrics

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 384-7888

DR. MICHAEL CHRISTIAN MARINIER MD

Orthopaedic Surgery

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (815) 999-2852

DR. ROBERT PEDERSEN MD

Emergency Medicine

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 356-2233

HYUN SU KIM

Anesthesiology

200 HAWKINS DR DEPT OF
IOWA CITY, IA 52242

Johnson County (319) 356-2210

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 Charles Bach's NPI number?

The NPI number for Charles Bach is 1609436898. It was assigned to this individual provider in the NPPES registry on June 19, 2019.

Where is Charles Bach located?

Charles Bach practices at 200 Hawkins Dr Dept Of, Iowa City, IA 52242. The listed phone number is (319) 356-2233.

What is Charles Bach's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Charles Bach enrolled in Medicare?

Yes. Charles 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.

Which organizations bill Medicare for Charles Bach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Bach reassigns Medicare benefits to 5 organizations: Johnson County Emergency Medicine, Plc (Iowa City, IA), Linn County Emergency Medicine PC (Cedar Rapids, IA), Rockford Health Physicians (Rockford, IL), Mercy Health System Corporation (Janesville, WI) and Mercy Harvard Hospital Inc (Harvard, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Bach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Bach accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Charles Bach 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 Charles Bach affiliated with any hospitals?

According to CMS data, Charles Bach is affiliated with Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Charles Bach was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.