MILI SHUM
NPI 1407134224
Internal Medicine - Allergy & Immunology in West Harrison, NY
About Mili Shum NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MILI SHUM (NPI 1407134224) is an individual allergy & immunology provider in West Harrison, New York, licensed in Utah (11415615-1205) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with Hospital For Special Surgery, and is a graduate of University Of Utah School Of Medicine (2009).
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
Mili Shum 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 Reassignments
5Medicare enrollment records show Mili Shum reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hawthorne, NY 10532
- Reassigned Medicare billing, New York enrollment
- 511 clinicians in this Medicare group
Bronx, NY 10467
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 121 clinicians in this Medicare group
Salt Lake City, UT 84113
- Reassigned Medicare billing, Utah enrollment
- 39 clinicians in this Medicare group
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 79 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 10
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.
Hospital For Special Surgery
Acute Care Hospitals · New York, NYUniversity Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WHITE PLAINS, NY 10604
WHITE PLAINS, NY 10604
WHITE PLAINS, NY 10604
WHITE PLAINS, NY 10604
WHITE PLAINS, NY 10604
WHITE PLAINS, NY 10604
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 Mili Shum's NPI number?
The NPI number for Mili Shum is 1407134224. It was assigned to this individual provider in the NPPES registry on July 27, 2011.
Where is Mili Shum located?
Mili Shum practices at 222 Westchester Ave, West Harrison, NY 10604. The listed phone number is (914) 493-7585.
What is Mili Shum's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Mili Shum enrolled in Medicare?
Yes. Mili Shum 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 organizations bill Medicare for Mili Shum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mili Shum reassigns Medicare benefits to 5 organizations: Boston Children's Health Physicians, LLP (Hawthorne, NY), Montefiore Medical Center (Bronx, NY), New York Society For The Relief Of Ruptured & Crippled Maintaining (New York, NY), U-U Pediatric Dermatology (Salt Lake City, UT) and Dermatology Division University Of Utah Medical Center (Salt Lake City, UT). 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 Mili Shum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mili Shum accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Mili Shum 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 Mili Shum affiliated with any hospitals?
According to CMS data, Mili Shum is affiliated with Hospital For Special Surgery and University Of Utah Hospitals And Clinics.
When was this NPI record last updated?
The NPPES record for Mili Shum was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mili Shum · NPI 1407134224
Allergy & Immunology physician in West Harrison, New York. Individual provider, active in the CMS NPPES registry since July 27, 2011.
## Identity
- **NPI:** 1407134224 (Entity type: Individual)
- **Enumerated:** July 27, 2011
- **Primary specialty:** Internal Medicine - Allergy & Immunology · taxonomy 207RA0201X
- **State license:** 11415615-1205 (Utah)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 222 WESTCHESTER AVE, West Harrison, NY 10604-2906
- **Phone:** (914) 493-7585
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Boston Children's Health Physicians, LLP (NPI 1467454967, Hawthorne, NY); Montefiore Medical Center (NPI 1063525152, Bronx, NY); New York Society For The Relief Of Ruptured & Crippled Maintaining (NPI 1427496652, New York, NY); U-U Pediatric Dermatology (NPI 1235339193, Salt Lake City, UT); Dermatology Division University Of Utah Medical Center (NPI 1922096114, Salt Lake City, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** August 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1407134224) · Data from the CMS NPPES public registry.