1. Home
  2. Directory
  3. Ohio
  4. Westlake
  5. Internal Medicine
  6. NPI Profile

MATTHEW CHARLES ST JEAN DO
NPI 1578203378
Internal Medicine in Westlake, OH

Active since March 30, 2022PECOS EnrolledAccepts Medicare Assignment
850 COLUMBIA RD, WESTLAKE, OH 44145(440) 250-5737 Get Directions Write a Review

NPPES record last updated: May 4, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Matthew Charles St Jean Do NPPES

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

MATTHEW CHARLES ST JEAN DO (NPI 1578203378) is an individual internal medicine provider in Westlake, Ohio, licensed in Ohio (34.017841) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Fairview Hospital, and maintains a secondary practice location in Cleveland.

NPPES Registry Identity

NPI1578203378
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMATTHEW CHARLES ST JEANCredential: DO
Location Address850 COLUMBIA RDWestlake, OH 44145-1493
Mailing Address9500 Euclid Ave # Na-23Cleveland, OH 44195-0001
Phone(440) 250-5737
Sole ProprietorYes
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2022
Enumeration DateMarch 30, 2022
Last NPPES UpdateMay 4, 2025
NPPES CertifiedMay 4, 2025
✔ NPI 1578203378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 34.017841
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
850 COLUMBIA RD, Westlake, OH 44145
Open in Google Maps ↗

Secondary Practice Location 1

Location 19500 Euclid AveCleveland, OH 44195-0001 · Phone (216) 445-6414

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Corporation of Ohio.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

Matthew Charles St Jean Do 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 ID2860879871
PECOS Enrollment IDI20250725001911
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.

Hospital Affiliations CMS Care Compare 4

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

Fairview Hospital

Acute Care Hospitals · Cleveland, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360077
Location18101 Lorain AvenueCleveland, OH 44111 · Cuyahoga County
Emergency services Birthing friendly

Lutheran Hospital

Acute Care Hospitals · Cleveland, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360087
Location1730 West 25th StreetCleveland, OH 44113 · Cuyahoga County
Emergency services

Cleveland Clinic

Acute Care Hospitals · Cleveland, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360180
Location9500 Euclid AvenueCleveland, OH 44195 · Cuyahoga County
Emergency services Birthing friendly

Cleveland Clinic Avon Hospital

Acute Care Hospitals · Avon, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360364
Location33300 Cleveland Clinic BlvdAvon, OH 44011 · Lorain County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44145 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

PETER H GREENWALT MD
Internal Medicine (Gastroenterology)
850 COLUMBIA RD, SUITE 200
WESTLAKE, OH 44145
Cuyahoga County (440) 808-1212
SAROJ MAHALAHA MD
Obstetrics & Gynecology
850 COLUMBIA RD, #330
WESTLAKE, OH 44145
Cuyahoga County (440) 835-3883
FAIRVIEW HOSPITAL
General Practice
850 COLUMBIA RD, STE 320
WESTLAKE, OH 44145
Cuyahoga County (216) 444-2273
LINDSAY CLARK
Optometrist
850 COLUMBIA RD
WESTLAKE, OH 44145
Cuyahoga County (866) 320-4573
CHERYL MILANI PA-C
Physician Assistant
850 COLUMBIA RD, SUITE 200
WESTLAKE, OH 44145
Cuyahoga County (440) 808-1212
DR. ANASTACIA LAGUNZAD KRIZMAN DO
Internal Medicine
850 COLUMBIA RD
WESTLAKE, OH 44145
Cuyahoga County (440) 250-5737
DR. ANNE MARIE JACKSON PT, DPT
Physical Therapist
850 COLUMBIA RD
WESTLAKE, OH 44145
Cuyahoga County (866) 320-4573
DR. IQBAL AHMED MD
Internal Medicine (Gastroenterology)
850 COLUMBIA RD, SUITE 200
WESTLAKE, OH 44145
Cuyahoga County (440) 808-1212

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 Matthew St Jean's NPI number?

The NPI number for Matthew St Jean is 1578203378. It was assigned to this individual provider in the NPPES registry on March 30, 2022.

Where is Matthew St Jean located?

Matthew St Jean practices at 850 Columbia Rd, Westlake, OH 44145. The listed phone number is (440) 250-5737.

What is Matthew St Jean's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Matthew St Jean enrolled in Medicare?

Yes. Matthew St Jean 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 Matthew St Jean accept?

Health plans from Oscar Insurance Corporation of Ohio list Matthew St Jean 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 Matthew St Jean affiliated with any hospitals?

According to CMS data, Matthew St Jean is affiliated with Fairview Hospital, Lutheran Hospital, Cleveland Clinic and Cleveland Clinic Avon Hospital.

When was this NPI record last updated?

The NPPES record for Matthew St Jean was last updated on May 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.