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DR. NANCY JANE NIEMANN ROYER MD
NPI 1326094145
Emergency Medicine in O Fallon, MO

Active since May 25, 2006
2 PROGRESS POINT PARKWAY, PROGRESS WEST HEALTH CARE CENTER ATTN ER, O FALLON, MO 63368(636) 344-1151(636) 344-1176 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nancy Jane Niemann Royer Md NPPES

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

DR. NANCY JANE NIEMANN ROYER MD (NPI 1326094145) is an individual emergency medicine provider in O Fallon, Missouri, licensed in Missouri (R9E46) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1326094145
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. NANCY JANE NIEMANN ROYERCredential: MD
Location Address2 PROGRESS POINT PARKWAY, PROGRESS WEST HEALTH CARE CENTER ATTN ERO Fallon, MO 63368
Mailing Address2 Progress Point Parkway, Progress West Health Care Center Attn ErO Fallon, MO 63368 · (636) 344-1151 · Fax (636) 344-1176
Phone(636) 344-1151
Fax(636) 344-1176
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateDecember 17, 2021
NPPES CertifiedDecember 17, 2021
✔ NPI 1326094145 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 · R9E46
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.
2 PROGRESS POINT PARKWAY, O Fallon, MO 63368
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Other Identifiers 1

Medicaid207810318MO

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.

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.
52 services52 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.
29 services28 patients

Other Providers at the Same Location NPPES 5

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

PHYSICIAN GROUPS LC
Surgery
2 PROGRESS POINT PARKWAY, SUITE 101C
O'FALLON, MO 63368
St. Charles County (636) 344-3102
MIDWEST ACUTE CARE CONSULTANTS PC
Internal Medicine (Pulmonary Disease)
2 PROGRESS POINT PARKWAY, STE J
O'FALLON, MO 63368
St. Charles County (314) 991-1118
ENDOCRINE CONSULTATNS, LLC
Exclusive Provider Organization
2 PROGRESS POINT PARKWAY, SUITE 101C
O'FALLON, MO 63368
St. Charles County (636) 441-7174
PROGRESS WEST HEALTHCARE CENTER
General Acute Care Hospital
2 PROGRESS POINT PARKWAY
O FALLON, MO 63368
St. Charles County (636) 344-2400
PHYSICIAN GROUPS LC
Obstetrics & Gynecology
2 PROGRESS POINT PARKWAY, SUITE 101D
O'FALLON, MO 63368
St. Charles County (636) 344-3105

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 Nancy Niemann Royer's NPI number?

The NPI number for Nancy Niemann Royer is 1326094145. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Nancy Niemann Royer located?

Nancy Niemann Royer practices at 2 Progress Point Parkway Progress West Health Care Center Attn ER, O Fallon, MO 63368. The listed phone number is (636) 344-1151.

What is Nancy Niemann Royer's specialty?

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

When was this NPI record last updated?

The NPPES record for Nancy Niemann Royer was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.