Dr. Nicholas Eugene Fox Hac, MD

  • Chicago, IL
  • Neurologist
NPI1144683780PAC ID8426394602
Medicare services, 2024
872
Medicare patients, 2024
240
Part D claims, 2024
266
Publications
9
MIPS score, 2024
95
Practice address
259 E Erie St, Chicago, IL 60611
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD

Acute Care Hospital outpatient department · Chicago, Illinois

See all 8 affiliations

Find Dr. Hac's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Nicholas Eugene Fox Hac is a neurologist in Chicago, Illinois

Dr. Hac practices at Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois.

Dr. Hac's NPI, 1144683780, was assigned on March 31, 2016. Dr. Hac graduated from University of Virginia School of Medicine in 2016. Dr. Hac holds Illinois license 036152380.

NPI and contact details
Medicare PAC ID
8426394602
NPI enumeration date
March 31, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nicholas Eugene Fox Hac practices at Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois

Dr. Hac's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD, at 259 E Erie St, Chicago, IL 60611.

  • Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD
    259 E Erie St, Chicago, IL 60611

Source: Dmand AI Affiliation Data

Dr. Nicholas Eugene Fox Hac is affiliated with 7 sites of care and 1 medical group

Dr. Hac's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois. Dr. Hac is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Hac to 4 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Hac's employer is on file too: a hospital.

See all 8 affiliations for Dr. Hac

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nicholas Eugene Fox Hac's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hac practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPDAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Hac practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nicholas Eugene Fox Hac is one of 822 neurologists in Illinois

Neurology is Dr. Hac's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Hac is licensed in Illinois.

Specialties and state licenses

  • Neurology, IllinoisPrimaryLicense 036.152380 · taxonomy 2084N0400X

Neurologists near Dr. Hac

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nicholas Eugene Fox Hac billed Medicare for 872 services in 2024

CMS data shows 872 Medicare services from Dr. Hac across 11 procedure codes in 2024, for 240 Medicare patients. Medicare paid $72,328 for them.

Medicare services, 2024872
Medicare patients240
Paid by Medicare$72,328
Procedure codes11

Dr. Hac's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3902024: 3972%
Other services
2023: 972024: 315225%
Tests and treatments
2023: 1502024: 1607%

Where Dr. Hac's Medicare services took place, 2024

  • In an office74585%
  • In a facility12715%

Dr. Hac compared with the Illinois median for neurologists, 2024

  • Dr. Hac
  • Illinois median
Medicare services
872vs 4012.2 times
Medicare patients
240vs 2257% above
Part D claims
164vs 31848% below

Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.

Dr. Hac's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Hac

Need commercial claims for Dr. Hac?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hac and other neurologists in Illinois.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nicholas Eugene Fox Hac treated 240 Medicare patients in 2024, average age 73

CMS counts 240 Medicare patients who saw Dr. Hac in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hac's median patient age at 68, with 66% women.

Medicare patients, 2024240
Average age73
Average risk score1.42
Also on Medicaid15%

Dr. Hac's Medicare patients by age, 2024

Dr. Hac's Medicare patients by sex, 2024

  • Women15565%
  • Men8535%

Chronic conditions among Dr. Hac's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Arthritis58%
  4. Anxiety43%
  5. Mood disorders35%
  6. Ischemic heart disease33%
  7. Depression32%
  8. Osteoporosis27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hac's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women66%
  • Men32%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nicholas Eugene Fox Hac wrote 266 Medicare Part D claims in 2024

In 2024, Dr. Hac wrote 266 Medicare Part D claims for 66 patients. 92% of them were for generic drugs. CMS names the drug for 164 of them, across 8 drugs with 11 or more claims each, at $14,475 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 2024266
Drugs named by CMS8
Total drug cost$14,475
Part D patients66

Dr. Hac's Part D claims by kind of drug, 2024

  • Generic244 claims92%
  • Brand-name22 claims8%

Dr. Hac's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 112024: 1641391%

Drugs named by CMS: 8 in 2024, 1 in 2023.

See all prescribing by Dr. Hac

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Nicholas Eugene Fox Hac scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Hac for performance year 2024, reported through an alternative payment model (APM). Dr. Hac accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hac as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hac's MIPS scores, performance year 2024

  • 95of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find neurologists like Dr. Hac by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Nicholas Eugene Fox Hac has 9 publications on record

Dmand AI links 9 papers to Dr. Hac, published from 2015 to 2025. 2022 was the busiest year, with 2. The most frequent topics are Nystagmus, Pathologic, Age of Onset and Vestibular Diseases. Dr. Hac has published most often in J Neuroophthalmol. Dr. Hac's most frequent co-authors are Daniel R. Gold, MD, Olwen Cait Murphy, MBCHB and Joanna S. Blackburn, MD.

Papers9
Years published2015 to 2025

Dr. Hac's papers by year, 2015 to 2025

Topics Dr. Hac writes about most

  • Nystagmus, Pathologic
  • Age of Onset
  • Vestibular Diseases

Dr. Hac's most frequent co-authors

Recent publications by Dr. Hac

See all 9 publications and co-authors

See who Dr. Hac researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hac works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nicholas Eugene Fox Hac graduated from University of Virginia School of Medicine

Dr. Hac graduated from University of Virginia School of Medicine in 2016.

  1. Medical schoolUniversity of Virginia School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Nicholas Eugene Fox Hac's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nicholas Eugene Fox Hac

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nicholas Eugene Fox Hac's NPI number?

Dr. Nicholas Eugene Fox Hac's NPI number is 1144683780. It was assigned on March 31, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Eugene Fox Hac?

Dr. Nicholas Eugene Fox Hac is a neurologist in Chicago, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Nicholas Eugene Fox Hac practice?

Dr. Hac practices at 259 E Erie St, Chicago, IL 60611. Dr. Hac's primary practice is Northwestern Memorial Hospital - Lavin Family Pavilion Recovery Room - HOPD in Chicago, Illinois. Dmand AI also links Dr. Hac to 4 hospitals and 1 group practice or clinic.

What is Dr. Nicholas Eugene Fox Hac's medical license number?

Dr. Hac holds Illinois license 036152380.

Which hospitals is Dr. Nicholas Eugene Fox Hac affiliated with?

Dr. Hac is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Hac to 4 more hospitals.

What medical group is Dr. Nicholas Eugene Fox Hac part of?

Dr. Hac is linked to Northwestern Medical Faculty Foundation.

Does Dr. Nicholas Eugene Fox Hac accept Medicare?

Yes. CMS data shows Dr. Hac billed Medicare for 872 services in 2024, and Dr. Hac accepts Medicare assignment.

Does Dr. Nicholas Eugene Fox Hac offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hac as offering telehealth services.

What is Dr. Nicholas Eugene Fox Hac's MIPS score?

Dr. Hac's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Nicholas Eugene Fox Hac see?

CMS counts 240 Medicare patients who saw Dr. Hac in 2024, with an average age of 73.

Show 6 more questionsShow fewer questions

What services does Dr. Nicholas Eugene Fox Hac bill to Medicare?

In 2024, Dr. Hac's most billed Medicare services were medicare service (G2212), office visit, established patient (99215) and ear, nose and throat service (92540).

Where did Dr. Nicholas Eugene Fox Hac go to medical school?

Dr. Hac graduated from University of Virginia School of Medicine in 2016.

What drugs does Dr. Nicholas Eugene Fox Hac prescribe most?

In 2024 Medicare Part D data, Dr. Hac's most prescribed drugs by claims were Duloxetine HCl, Venlafaxine HCl ER and Metoprolol Succinate.

How long has Dr. Nicholas Eugene Fox Hac been practicing?

Dr. Hac graduated from medical school in 2016, 10 years ago.

Does Dr. Nicholas Eugene Fox Hac do research?

Dmand AI links 9 publications to Dr. Hac, published from 2015 to 2025.

Who does Dr. Nicholas Eugene Fox Hac publish with?

Dr. Hac's most frequent co-authors are Daniel R. Gold, MD (4 shared papers), Olwen Cait Murphy, MBCHB (2 shared papers) and Joanna S. Blackburn, MD (1 shared paper).

Selling to neurology practices?

See neurologists in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)