DR. NATHANAEL JAMES SMITH MD
NPI 1821583626
Emergency Medicine in Saint Louis, MO

Active since June 25, 2018PECOS EnrolledAccepts Medicare Assignment
1 BARNES JEWISH HOSPITAL PLZ, DEPT EMERGENCY MED, SAINT LOUIS, MO 63110(314) 362-9123(314) 362-0478 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 2, 2024, Jun 2, 2023, Aug 3, 2022 and 1 more (4 updates tracked since 2018).

About Dr. Nathanael James Smith Md NPPES

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

DR. NATHANAEL JAMES SMITH MD (NPI 1821583626) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2024016686) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Meharry Medical College School Of Medicine (2018).

NPPES Registry Identity

NPI1821583626
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NATHANAEL JAMES SMITHCredential: MD
Location Address1 BARNES JEWISH HOSPITAL PLZ, DEPT EMERGENCY MEDSaint Louis, MO 63110-1003
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-9123 · Fax (314) 362-0478
Fax(314) 362-0478
Sole ProprietorNo
Medical School CMSMeharry Medical College School Of MedicineGraduated 2018
Enumeration DateJune 25, 2018
Last NPPES UpdateApril 17, 20254 updates tracked since enumeration
NPPES CertifiedJune 2, 2023
NPI 1821583626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MO · 2024016686
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

Other Identifiers 1

Medicaid200060775MO

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. Nathanael James Smith 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 ID345628236
PECOS Enrollment IDI20240531001107
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
121 services119 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
53 services40 patients
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.
35 services35 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
34 services34 patients

Hospital Affiliations CMS Care Compare 3

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
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 20

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

Anesthesiology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Internal Medicine (Cardiovascular Disease)
1 BARNES JEWISH HOSPITAL PLZ, EAST PAVILLION SUITE 16419
SAINT LOUIS, MO 63110
Anesthesiology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110

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 Nathanael Smith's NPI number?

The NPI number for Nathanael Smith is 1821583626. It was assigned to this individual provider in the NPPES registry on June 25, 2018.

Where is Nathanael Smith located?

Nathanael Smith practices at 1 Barnes Jewish Hospital Plz Dept Emergency Med, Saint Louis, MO 63110. The listed phone number is (314) 362-9123.

What is Nathanael Smith's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nathanael Smith enrolled in Medicare?

Yes. Nathanael Smith 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 Nathanael Smith affiliated with any hospitals?

According to CMS data, Nathanael Smith is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center and Christian Hospital Northeast.

When was this NPI record last updated?

The NPPES record for Nathanael Smith was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.