NICHOLAS HAC M.D.
NPI 1144683780
Psychiatry & Neurology - Neurology in Chicago, IL

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
259 E ERIE ST STE 1900, CHICAGO, IL 60611(312) 695-7950 Get Directions Write a Review

NPPES record last updated: July 23, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2020, Mar 31, 2016 (2 updates tracked since 2016).

About Nicholas Hac M.d. NPPES

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

NICHOLAS HAC M.D. (NPI 1144683780) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036152380) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of University Of Virginia School Of Medicine (2016).

NPPES Registry Identity

NPI1144683780
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameNICHOLAS HACCredential: M.D.
Location Address259 E ERIE ST STE 1900Chicago, IL 60611-3246
Mailing Address259 E Erie St Ste 1900Chicago, IL 60611-3246 · (312) 695-7950
Sole ProprietorYes
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2016
Enumeration DateMarch 31, 2016
Last NPPES UpdateJuly 23, 20202 updates tracked since enumeration
NPPES CertifiedJuly 23, 2020
NPI 1144683780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in IL · 036152380 Licensed in IL · 036.152380
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
259 E ERIE ST STE 1900, Chicago, IL 60611

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Nicholas Hac 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 ID8426394602
PECOS Enrollment IDI20200518000419
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 10

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.

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
217 services111 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
193 services134 patients
Evaluation and testing for balance with recording 92540
This procedure involves a series of evaluations and tests to analyze your balance. Recordings are made to track your performance, helping identify any issues. This aids in determining the best treatment for any balance disorders you may have.
142 services129 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.
64 services22 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
54 services54 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.
36 services14 patients

Hospital Affiliations CMS Care Compare 4

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140211
Location300 Randall RdGeneva, IL 60134 · Kane County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

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
Quality82.59
Promoting Interoperability100
Improvement Activities40

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
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Physician Assistant
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Neuromuscular Medicine)
259 E ERIE ST STE 1900
CHICAGO, IL 60611
Psychiatry & Neurology (Vascular Neurology)
259 E ERIE ST STE 1900
CHICAGO, IL 60611

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 Nicholas Hac's NPI number?

The NPI number for Nicholas Hac is 1144683780. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Nicholas Hac located?

Nicholas Hac practices at 259 E Erie St Ste 1900, Chicago, IL 60611. The listed phone number is (312) 695-7950.

What is Nicholas Hac's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Nicholas Hac enrolled in Medicare?

Yes. Nicholas Hac 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 Nicholas Hac affiliated with any hospitals?

According to CMS data, Nicholas Hac is affiliated with Northwestern Lake Forest Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Hac was last updated on July 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.