CHELSEY MIX MITCHELL
NPI 1801213830
Pediatrics - Pediatric Emergency Medicine in New York, NY
About Chelsey Mix Mitchell NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHELSEY MIX MITCHELL (NPI 1801213830) is an individual pediatric emergency medicine provider in New York, New York, licensed in New York (288027) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chelsey Mix Mitchell is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Chelsey Mitchell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 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.
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.
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Chelsey Mitchell's NPI number?
The NPI number for Chelsey Mitchell is 1801213830. It was assigned to this individual provider in the NPPES registry on March 27, 2014.
Where is Chelsey Mitchell located?
Chelsey Mitchell practices at 3959 Broadway, New York, NY 10032. The listed phone number is (212) 305-8504.
What is Chelsey Mitchell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Chelsey Mitchell enrolled in Medicare?
Yes. Chelsey Mitchell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Chelsey Mitchell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chelsey Mitchell reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). Each 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 Chelsey Mitchell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Chelsey Mitchell was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.
# Chelsey Mix Mitchell · NPI 1801213830
Pediatric Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 27, 2014.
## Identity
- **NPI:** 1801213830 (Entity type: Individual)
- **Enumerated:** March 27, 2014
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 288027 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3959 BROADWAY, New York, NY 10032
- **Phone:** (212) 305-8504
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801213830) · Data from the CMS NPPES public registry.