DR. KATHARINE JEAN NEHME MD
NPI 1194385153
Internal Medicine - Allergy & Immunology in Saint Louis, MO
About Dr. Katharine Jean Nehme Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHARINE JEAN NEHME MD (NPI 1194385153) is an individual allergy & immunology provider in Saint Louis, Missouri, licensed in Missouri (2024008757) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Saint Louis University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Katharine Jean Nehme 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.
Medicare Billing Reassignment
Medicare enrollment records show Katharine Nehme reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
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.
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, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOPhysician 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.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Katharine Nehme's NPI number?
The NPI number for Katharine Nehme is 1194385153. It was assigned to this individual provider in the NPPES registry on June 20, 2019.
Where is Katharine Nehme located?
Katharine Nehme practices at 1110 Highlands Plaza Dr E Div Im Allergy And Immunology, Ste 300, Saint Louis, MO 63110. The listed phone number is (314) 996-8670.
What is Katharine Nehme's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Katharine Nehme enrolled in Medicare?
Yes. Katharine Nehme 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.
Which organization bills Medicare for Katharine Nehme's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Nehme reassigns Medicare benefits to Washington University (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katharine Nehme's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Nehme accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Katharine Nehme 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 Katharine Nehme affiliated with any hospitals?
According to CMS data, Katharine Nehme is affiliated with Barnes Jewish Hospital and Barnes-Jewish West County Hospital.
When was this NPI record last updated?
The NPPES record for Katharine Nehme 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 18 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.
# Dr. Katharine Jean Nehme, MD · NPI 1194385153
Allergy & Immunology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2019.
## Identity
- **NPI:** 1194385153 (Entity type: Individual)
- **Enumerated:** June 20, 2019
- **Primary specialty:** Internal Medicine - Allergy & Immunology · taxonomy 207RA0201X
- **State license:** 2024008757 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1110 HIGHLANDS PLAZA DR E, DIV IM ALLERGY AND IMMUNOLOGY, STE 300, Saint Louis, MO 63110-1392
- **Phone:** (314) 996-8670 · **Fax:** (866) 362-4984
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Washington University (NPI 1992746903, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200147431 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1194385153) · Data from the CMS NPPES public registry.