Dr. Liza Gaye Icayan, MD

  • Evanston, IL
  • Internist
NPI1316922529PAC ID4183692379
Medicare services, 2024
35
Medicare patients, 2024
33
Publications
3
Hospital affiliations
1
Medical group
1
Practice address
2500 Ridge Ave, Evanston, IL 60201
Practice phone
Call (847) 570-5235
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northshore University Healthsystem Faculty Practice Associates

Evanston, Illinois

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Dr. Liza Gaye Icayan is an internist in Evanston, Illinois

Dr. Icayan practices at Northshore University Healthsystem Faculty Practice Associates in Evanston, Illinois.

Dr. Icayan's NPI, 1316922529, was assigned on December 9, 2005. Dr. Icayan graduated from Saint Louis University School of Medicine in 1990. Dr. Icayan holds Illinois license 036-094279.

NPI and contact details
Medicare PAC ID
4183692379
NPI enumeration date
December 9, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 570-5235
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
62
Medical school graduation
1990

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

Dr. Liza Gaye Icayan practices at Northshore University Healthsystem Faculty Practice Associates in Evanston, Illinois

Dr. Icayan's primary practice is Northshore University Healthsystem Faculty Practice Associates, at 2500 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-5235.

  • Northshore University Healthsystem Faculty Practice Associates
    2500 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-5235

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Liza Gaye Icayan is affiliated with 2 sites of care and 1 medical group

Dr. Icayan's primary practice is Northshore University Healthsystem Faculty Practice Associates in Evanston, Illinois. Dr. Icayan is also affiliated with Evanston Hospital. The medical group on file is Endeavor Health Medical Group.

See all 3 affiliations for Dr. Icayan

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Liza Gaye Icayan's practice

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

EHR by site
SiteEHR vendor and product
Northshore University Healthsystem Faculty Practice AssociatesAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Liza Gaye Icayan is one of 5,652 internists in Illinois

Internal medicine is Dr. Icayan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Icayan is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 036-094279 · taxonomy 207R00000X

Internists near Dr. Icayan

Counts of internists 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. Liza Gaye Icayan billed Medicare for 35 services in 2024

CMS data shows 35 Medicare services from Dr. Icayan across 1 procedure code in 2024, all of them office visits, for 33 Medicare patients. Medicare paid $1,693 for them. Every service was in an office.

Medicare services, 202435
Medicare patients33
Paid by Medicare$1,693
Procedure codes1

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

  • 2023
  • 2024
Office and hospital visits
2023: 272024: 3530%

Dr. Icayan compared with the Illinois median for internists, 2024

  • Dr. Icayan
  • Illinois median
Medicare services
35vs 56694% below
Medicare patients
33vs 20884% below

Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.

Dr. Icayan'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.

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

Dr. Liza Gaye Icayan treated 33 Medicare patients in 2024, average age 70

CMS counts 33 Medicare patients who saw Dr. Icayan in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 61% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Icayan's median patient age at 69, with 59% women.

Medicare patients, 202433
Average age70
Average risk score1.44
Also on Medicaid61%

Dr. Icayan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Icayan's Medicare patients by sex, 2024

  • Women1958%
  • Men1442%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis42%
  4. Diabetes42%

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

Dr. Icayan's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

How Dr. Liza Gaye Icayan takes part in Medicare

Dr. Icayan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Liza Gaye Icayan has 3 publications on record

Dmand AI links 3 papers to Dr. Icayan, published from 2013 to 2016. The most frequent topics are Internship and Residency, Internal Medicine and Video Recording. Dr. Icayan's most frequent co-authors are Shashi Kiran Bellam, MD, Jeanne M. Farnan and Diane B. Wayne, MD.

Papers3
Years published2013 to 2016

Topics Dr. Icayan writes about most

  • Internship and Residency
  • Internal Medicine
  • Video Recording

Dr. Icayan's most frequent co-authors

Recent publications by Dr. Icayan

See all 3 publications and co-authors

See who Dr. Icayan researches with

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

How network discovery works

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

Dr. Liza Gaye Icayan graduated from Saint Louis University School of Medicine

Dr. Icayan graduated from Saint Louis University School of Medicine in 1990.

  1. Medical schoolSaint Louis University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Liza Gaye Icayan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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. Liza Gaye Icayan

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. Liza Gaye Icayan's NPI number?

Dr. Liza Gaye Icayan's NPI number is 1316922529. It was assigned on December 9, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Liza Gaye Icayan?

Dr. Liza Gaye Icayan is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Liza Gaye Icayan practice?

Dr. Icayan practices at 2500 Ridge Ave, Evanston, IL 60201. Dr. Icayan's primary practice is Northshore University Healthsystem Faculty Practice Associates in Evanston, Illinois.

What is Dr. Liza Gaye Icayan's office phone number?

The practice phone on file for Dr. Icayan is (847) 570-5235.

What is Dr. Liza Gaye Icayan's medical license number?

Dr. Icayan holds Illinois license 036-094279.

Which hospitals is Dr. Liza Gaye Icayan affiliated with?

Dr. Icayan is affiliated with Evanston Hospital.

What medical group is Dr. Liza Gaye Icayan part of?

Dr. Icayan is linked to Endeavor Health Medical Group.

Does Dr. Liza Gaye Icayan accept Medicare?

Yes. CMS data shows Dr. Icayan billed Medicare for 35 services in 2024, and Dr. Icayan accepts Medicare assignment.

How many Medicare patients does Dr. Liza Gaye Icayan see?

CMS counts 33 Medicare patients who saw Dr. Icayan in 2024, with an average age of 70.

What services does Dr. Liza Gaye Icayan bill to Medicare?

In 2024, Dr. Icayan's most billed Medicare services were office visit, established patient (99213).

Show 4 more questionsShow fewer questions

Where did Dr. Liza Gaye Icayan go to medical school?

Dr. Icayan graduated from Saint Louis University School of Medicine in 1990.

How long has Dr. Liza Gaye Icayan been practicing?

Dr. Icayan graduated from medical school in 1990, 36 years ago.

Does Dr. Liza Gaye Icayan do research?

Dmand AI links 3 publications to Dr. Icayan, published from 2013 to 2016.

Who does Dr. Liza Gaye Icayan publish with?

Dr. Icayan's most frequent co-authors are Shashi Kiran Bellam, MD (3 shared papers), Jeanne M. Farnan (2 shared papers) and Diane B. Wayne, MD (2 shared papers).

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