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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHISOM EZE MD
NPI 1821527649
Internal Medicine in Saint Louis, MO

Active since June 06, 2017PECOS EnrolledAccepts Medicare Assignment
3637 S GEYER RD, SAINT LOUIS, MO 63127(314) 525-1887(314) 525-1868 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2026, Sep 29, 2021, Sep 15, 2017 and 1 more (4 updates tracked since 2017).

About Chisom Eze Md NPPES

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

CHISOM EZE MD (NPI 1821527649) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2020024378) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1821527649
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCHISOM EZECredential: MD
Location Address3637 S GEYER RDSaint Louis, MO 63127-1203
Mailing Address3637 S Geyer RdSaint Louis, MO 63127-1203 · (314) 525-1887 · Fax (314) 525-1868
Phone(314) 525-1887
Fax(314) 525-1868
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 6, 2017
Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1821527649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2020024378
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.
3637 S GEYER RD, Saint Louis, MO 63127
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Accepted Insurance

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

Chisom Eze 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 ID6002187333
PECOS Enrollment IDI20201130002054
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 8

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
232 services88 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
131 services105 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
49 services31 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
37 services23 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
31 services23 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
28 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63127 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SIRISHA VADDI BROSCH M.D.
Internal Medicine
3637 S GEYER RD
SAINT LOUIS, MO 63127
St. Louis County (314) 525-1887
MICHAEL WILLIAM NASH M.D.
Family Medicine
3637 S GEYER RD
SAINT LOUIS, MO 63127
St. Louis County (314) 525-1887
MING HAO M.D.
Family Medicine (Geriatric Medicine)
3637 S GEYER RD
SAINT LOUIS, MO 63127
St. Louis County (314) 251-4659

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 Chisom Eze's NPI number?

The NPI number for Chisom Eze is 1821527649. It was assigned to this individual provider in the NPPES registry on June 6, 2017.

Where is Chisom Eze located?

Chisom Eze practices at 3637 S Geyer Rd, Saint Louis, MO 63127. The listed phone number is (314) 525-1887.

What is Chisom Eze's specialty?

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

Is Chisom Eze enrolled in Medicare?

Yes. Chisom Eze 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 Chisom Eze accept?

Health plans from Medica list Chisom Eze 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.

When was this NPI record last updated?

The NPPES record for Chisom Eze was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.