CATHERINE GAO M.D.
NPI 1043699689
Internal Medicine - Pulmonary Disease in Chicago, IL

Active since May 28, 2015PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
675 N SAINT CLAIR ST STE 18-250, CHICAGO, IL 60611(312) 695-1800(312) 908-4650 Get Directions Write a Review

NPPES record last updated: August 23, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 23, 2022, May 27, 2019 (2 updates tracked since 2019).

About Catherine Gao M.d. NPPES

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

CATHERINE GAO M.D. (NPI 1043699689) is an individual pulmonary disease provider in Chicago, Illinois, licensed in Illinois (036.148849) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1043699689
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameCATHERINE GAOCredential: M.D.
Location Address675 N SAINT CLAIR ST STE 18-250Chicago, IL 60611-5980
Mailing Address675 N Saint Clair St Ste 18-250Chicago, IL 60611-5980 · (312) 695-1800 · Fax (312) 908-4650
Fax(312) 908-4650
Sole ProprietorYes
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2015
Enumeration DateMay 28, 2015
Last NPPES UpdateAugust 23, 20222 updates tracked since enumeration
NPPES CertifiedAugust 23, 2022
NPI 1043699689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in IL · 036.148849
Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 036148849 (IL)
675 N SAINT CLAIR ST STE 18-250, Chicago, IL 60611

Secondary Practice Location 1

Location 120 York St, Yale-New Haven HospitalNew Haven, CT 06510-3220 · Phone (203) 688-8300

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

Catherine Gao 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 ID4385956440
PECOS Enrollment IDI20220705000301
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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
24 services14 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.
21 services12 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
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.

Nurse Practitioner
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Allergy & Immunology (Allergy)
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Nurse Practitioner
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Physician Assistant
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Physician Assistant
675 N SAINT CLAIR ST STE 18-250
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
675 N SAINT CLAIR ST STE 18-250
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 Catherine Gao's NPI number?

The NPI number for Catherine Gao is 1043699689. It was assigned to this individual provider in the NPPES registry on May 28, 2015.

Where is Catherine Gao located?

Catherine Gao practices at 675 N Saint Clair St Ste 18-250, Chicago, IL 60611. The listed phone number is (312) 695-1800.

What is Catherine Gao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Catherine Gao enrolled in Medicare?

Yes. Catherine Gao 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 Catherine Gao affiliated with any hospitals?

According to CMS data, Catherine Gao is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Gao was last updated on August 23, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.