MS. KATY YASER HASSAN PA-C
NPI 1194050500
Physician Assistant - Medical in Chicago, IL

Q: What is Katy Hassan's NPI number?

The NPI number for Katy Hassan is 1194050500. It was assigned to this individual provider in the NPPES registry on October 3, 2009.

Q: What is Katy Hassan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Katy Hassan was last updated on April 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 03, 2009PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

676 N SAINT CLAIR ST STE 1200, CHICAGO, IL 60611(312) 695-8182(312) 695-4303 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ms. Katy Yaser Hassan Pa-c NPPES

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

MS. KATY YASER HASSAN PA-C (NPI 1194050500) is an individual medical provider in Chicago, Illinois, licensed in Illinois (085-003610) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1194050500

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameMS. KATY YASER HASSANCredential: PA-C

Location Address676 N SAINT CLAIR ST STE 1200Chicago, IL 60611-3068

Mailing Address676 N Saint Clair St Ste 1200Chicago, IL 60611-3068 · (312) 695-8182 · Fax (312) 695-4303

Phone(312) 695-8182

Fax(312) 695-4303

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateOctober 3, 2009

Last NPPES UpdateApril 7, 2026

NPPES CertifiedApril 7, 2026

✔ NPI 1194050500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in IL · 085-003610

676 N SAINT CLAIR ST STE 1200, 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

Ms. Katy Yaser Hassan Pa-c 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 ID2163565722

PECOS Enrollment IDI20100204000122

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 6

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.

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

89 services66 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

73 services67 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

43 services43 patients

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.

25 services24 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

24 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

21 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry 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

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

Leave this field empty

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. WHITNEY E. LIDDY M.D.

Otolaryngology