CHAD ACHENBACH MD
NPI 1548278674
Internal Medicine - Infectious Disease in Chicago, IL

Q: What is Chad Achenbach's NPI number?

The NPI number for Chad Achenbach is 1548278674. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Chad Achenbach's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Chad Achenbach was last updated on July 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 August 04, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

645 N MICHIGAN AVE, SUITE 900, CHICAGO, IL 60611(312) 695-5090 Get Directions Write a Review

NPPES record last updated: July 13, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Chad Achenbach Md NPPES

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

CHAD ACHENBACH MD (NPI 1548278674) is an individual infectious disease provider in Chicago, Illinois, licensed in Illinois (036-111770) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Northwestern University Feinberg Medical School (2002).

NPPES Registry Identity

NPI1548278674

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameCHAD ACHENBACHCredential: MD

Location Address645 N MICHIGAN AVE, SUITE 900Chicago, IL 60611-2826

Mailing Address645 N Michigan Ave, Suite 900Chicago, IL 60611-2826 · (312) 695-5090

Phone(312) 695-5090

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2002

Enumeration DateAugust 4, 2006

Last NPPES UpdateJuly 13, 2009

✔ NPI 1548278674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in IL · 036-111770✔ Licensed in WA · MD00046399

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.

645 N MICHIGAN AVE, Chicago, IL 60611

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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

Chad Achenbach 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 ID2961562574

PECOS Enrollment IDI20090928000448

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 3

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.

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.

61 services34 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.

46 services30 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.

28 services28 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

94.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

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.

JACQUELINE ALEXANDRIA KHORASANEE M.D.

Emergency Medicine

645 N MICHIGAN AVE, SUITE 1058A
CHICAGO, IL 60611

Cook County (312) 503-4756

MS. JULIE VADBONCOEUR M.D.

Student in an Organized Health Care Education/Training Program

645 N MICHIGAN AVE, SUITE 440
CHICAGO, IL 60611

Cook County (312) 908-8152

ERICA TAYABAN

Nurse Practitioner (Family)

645 N MICHIGAN AVE, SUITE 530
CHICAGO, IL 60611

Cook County (312) 695-7970

BRIDGET TARRANT PT

Physical Therapist

645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611

Cook County (312) 274-0197

PETER ZELDOW PHD

Psychologist

645 N MICHIGAN AVE, SUITE 822
CHICAGO, IL 60611

Cook County (312) 618-9680

DR. CLAUDIA A HAWKINS M.D, M.P.H

Internal Medicine (Infectious Disease)

645 N MICHIGAN AVE, SUITE 900
CHICAGO, IL 60611

Cook County (312) 695-5090

NEUROPSYCHOLOGICAL ASSOCIATES INC.

Psychologist (Clinical)

645 N MICHIGAN AVE, SUITE 410
CHICAGO, IL 60611

Cook County (312) 202-0755

NORTHWESTERN MEMORIAL HOSPITAL

General Acute Care Hospital

645 N MICHIGAN AVE, SUITE 440
CHICAGO, IL 60611

Cook County (312) 908-8152

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 Chad Achenbach's NPI number?

The NPI number for Chad Achenbach is 1548278674. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Chad Achenbach located?

Chad Achenbach practices at 645 N Michigan Ave Suite 900, Chicago, IL 60611. The listed phone number is (312) 695-5090.

What is Chad Achenbach's specialty?

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

Is Chad Achenbach enrolled in Medicare?

Yes. Chad Achenbach 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 Chad Achenbach affiliated with any hospitals?

According to CMS data, Chad Achenbach is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Chad Achenbach was last updated on July 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.