DR. NIMA MOSAMMAPARAST MD
NPI 1053790170
Pathology - Clinical Pathology/Laboratory Medicine in Saint Louis, MO
About Dr. Nima Mosammaparast Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NIMA MOSAMMAPARAST MD (NPI 1053790170) is an individual clinical pathology/laboratory medicine provider in Saint Louis, Missouri, licensed in Missouri (2013018792) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of University Of Virginia School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Nima Mosammaparast 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 Nima Mosammaparast 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
- 77 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 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOParkland Health Center
Acute Care Hospitals · Farmington, 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
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 Nima Mosammaparast's NPI number?
The NPI number for Nima Mosammaparast is 1053790170. It was assigned to this individual provider in the NPPES registry on May 21, 2015.
Where is Nima Mosammaparast located?
Nima Mosammaparast practices at 1 Barnes Jewish Hospital Plz Div PA Anatomic And Molecular Path, Saint Louis, MO 63110. The listed phone number is (314) 362-5641.
What is Nima Mosammaparast's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.
Is Nima Mosammaparast enrolled in Medicare?
Yes. Nima Mosammaparast 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 Nima Mosammaparast's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nima Mosammaparast 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 Nima Mosammaparast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nima Mosammaparast affiliated with any hospitals?
According to CMS data, Nima Mosammaparast is affiliated with Memorial Hospital, Barnes Jewish Hospital, Barnes-Jewish West County Hospital and Parkland Health Center.
When was this NPI record last updated?
The NPPES record for Nima Mosammaparast 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. Nima Mosammaparast, MD · NPI 1053790170
Clinical Pathology/Laboratory Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 21, 2015.
## Identity
- **NPI:** 1053790170 (Entity type: Individual)
- **Enumerated:** May 21, 2015
- **Primary specialty:** Pathology - Clinical Pathology/Laboratory Medicine · taxonomy 207ZP0105X
- **State license:** 2013018792 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DIV PA ANATOMIC AND MOLECULAR PATH, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-5641 · **Fax:** (314) 362-0369
## 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 1316987746, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200124566 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1053790170) · Data from the CMS NPPES public registry.