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DR. STEPHEN TRACY OH MD
NPI 1841494358
Internal Medicine - Hematology in Saint Louis, MO

Active since June 11, 2007PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL, SAINT LOUIS, MO 63108(314) 362-7216(314) 696-1391 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 2 more (5 updates tracked since 2016).

About Dr. Stephen Tracy Oh Md NPPES

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

DR. STEPHEN TRACY OH MD (NPI 1841494358) is an individual hematology provider in Saint Louis, Missouri, licensed in Missouri (2010042897) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Northwestern University Feinberg Medical School (2004).

NPPES Registry Identity

NPI1841494358
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. STEPHEN TRACY OHCredential: MD
Location Address4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FLSaint Louis, MO 63108-2114
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-7216 · Fax (314) 696-1391
Phone(314) 362-7216
Fax(314) 696-1391
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2004
Enumeration DateJune 11, 2007
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
✔ NPI 1841494358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License✔ Licensed in MO · 2010042897
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
4500 FOREST PARK AVE, Saint Louis, MO 63108
Open in Google Maps ↗

Other Identifiers 1

Medicaid209955509MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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. Stephen Tracy Oh 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 ID2163602822
PECOS Enrollment IDI20110211000925
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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
56 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.
52 services35 patients

Hospital Affiliations CMS Care Compare 2

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

MS. KIM M FRENCH ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. RAVI VIJ MD
Internal Medicine (Medical Oncology)
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MR. STEVEN CHARLES FUCHS JR. PHARM.D.
Pharmacist
4500 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 657-9013
MS. MEGAN ELIZABETH NEUDECKER FNP
Nurse Practitioner (Family)
4500 FOREST PARK AVE, DIV SURG ONCOLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-2280
MS. CATHERINE C ROGERS ANP
Nurse Practitioner (Adult Health)
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. ZEYNEP GUL MD
Urology
4500 FOREST PARK AVE, DIV SURG UROLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-8200
MS. STEPHANIE ANNE VOLLMER ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MS. KAYLA THERESE JARRETT PA
Physician Assistant
4500 FOREST PARK AVE, DEPT NEUROLOGICAL SURGERY, STE 1B
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3577

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 Stephen Oh's NPI number?

The NPI number for Stephen Oh is 1841494358. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Where is Stephen Oh located?

Stephen Oh practices at 4500 Forest Park Ave Div Im Hematology, 6th Fl, Saint Louis, MO 63108. The listed phone number is (314) 362-7216.

What is Stephen Oh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Stephen Oh enrolled in Medicare?

Yes. Stephen Oh 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 Stephen Oh accept?

Health plans from Cox HealthPlans list Stephen Oh 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 Stephen Oh affiliated with any hospitals?

According to CMS data, Stephen Oh is affiliated with Barnes Jewish Hospital and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Oh was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.