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DR. CATHERINE TREMBLAY MD
NPI 1235715277
Family Medicine in Geneva, IL

Active since March 21, 2021PECOS EnrolledAccepts Medicare Assignment
300 RANDALL RD, GENEVA, IL 60134(630) 208-3000 Get Directions Write a Review

NPPES record last updated: June 14, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 14, 2021, Mar 21, 2021 (2 updates tracked since 2021).

About Dr. Catherine Tremblay Md NPPES

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

DR. CATHERINE TREMBLAY MD (NPI 1235715277) is an individual family medicine provider in Geneva, Illinois, licensed in Illinois (125078407) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Park Nicollet Methodist Hospital, and is a graduate of University Of Minnesota Medical School (2021).

NPPES Registry Identity

NPI1235715277
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CATHERINE TREMBLAYCredential: MD
Location Address300 RANDALL RDGeneva, IL 60134-4200
Mailing Address300 Randall RdGeneva, IL 60134-4200
Phone(630) 208-3000
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2021
Enumeration DateMarch 21, 2021
Last NPPES UpdateJune 14, 20212 updates tracked since enumeration
NPPES CertifiedJune 14, 2021
✔ NPI 1235715277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 125078407
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
300 RANDALL RD, Geneva, IL 60134
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica.Insurance ›

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

Dr. Catherine Tremblay Md 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 ID3173923687
PECOS Enrollment IDI20240801004317
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

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.

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.
16 services12 patients

Hospital Affiliations CMS Care Compare

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

Park Nicollet Methodist Hospital

Acute Care Hospitals · Saint Louis Park, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240053
Location6500 Excelsior BlvdSaint Louis Park, MN 55426 · Hennepin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60134 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

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.

MEGEN ALYSON TOWNSEND PA-C
Physician Assistant
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 208-4015
DR. NICHOLAS PATRICK SLATTERY MD
Emergency Medicine
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 208-3000
SHARI ANNE SCHRADER APRNBC
Nurse Practitioner (Adult Health)
300 RANDALL RD, WOUND CENTER
GENEVA, IL 60134
Kane County (630) 208-4460
DR. AMANDA K. CORUM MD
Hospitalist
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 933-4700
AMY LYNN ARROCENA
Physical Therapist
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 208-3000
MS. JACLYNN M DENARDO CRNA
Nurse Anesthetist, Certified Registered
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 208-4060
BRUCE V DORSEY MD
Pathology (Anatomic Pathology & Clinical Pathology)
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 208-4368
HARSH BIPIN PATEL
Hospitalist
300 RANDALL RD
GENEVA, IL 60134
Kane County (630) 933-4700

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 Tremblay's NPI number?

The NPI number for Catherine Tremblay is 1235715277. It was assigned to this individual provider in the NPPES registry on March 21, 2021.

Where is Catherine Tremblay located?

Catherine Tremblay practices at 300 Randall Rd, Geneva, IL 60134. The listed phone number is (630) 208-3000.

What is Catherine Tremblay's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Catherine Tremblay enrolled in Medicare?

Yes. Catherine Tremblay 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.

What insurance does Catherine Tremblay accept?

Health plans from HealthPartners and Medica list Catherine Tremblay as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Catherine Tremblay affiliated with any hospitals?

According to CMS data, Catherine Tremblay is affiliated with Park Nicollet Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Tremblay was last updated on June 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.