DOROTHY NGUYEN
NPI 1346842408
Psychiatry & Neurology - Neurology in Saint Louis, MO
About Dorothy Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOROTHY NGUYEN (NPI 1346842408) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2026001068) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS and is a graduate of Un Of California, Irvine, College Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses 2
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
Dorothy Nguyen 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 Dorothy Nguyen 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
- 236 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.
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.
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
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 Dorothy Nguyen's NPI number?
The NPI number for Dorothy Nguyen is 1346842408. It was assigned to this individual provider in the NPPES registry on November 13, 2020.
Where is Dorothy Nguyen located?
Dorothy Nguyen practices at 4921 Parkview Pl, Saint Louis, MO 63110. The listed phone number is (314) 362-6908.
What is Dorothy Nguyen's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Dorothy Nguyen enrolled in Medicare?
Yes. Dorothy Nguyen 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 Dorothy Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Nguyen 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 Dorothy Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dorothy Nguyen accept?
Health plans from UnitedHealthcare list Dorothy Nguyen 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 Dorothy Nguyen was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dorothy Nguyen · NPI 1346842408
Neurology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since November 13, 2020.
## Identity
- **NPI:** 1346842408 (Entity type: Individual)
- **Enumerated:** November 13, 2020
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 2026001068 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, Saint Louis, MO 63110-1032
- **Phone:** (314) 362-6908
## 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 1356382527, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Un Of California, Irvine, College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** July 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346842408) · Data from the CMS NPPES public registry.