CHLOE SIHUA DENG D.O.
NPI 1033735428
Internal Medicine - Sleep Medicine in Auburn, MA
About Chloe Sihua Deng D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHLOE SIHUA DENG D.O. (NPI 1033735428) is an individual sleep medicine provider in Auburn, Massachusetts, licensed in Massachusetts (1019586) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2020).
NPPES Registry Identity
Specialties & Licenses
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
Chloe Sihua Deng D.o. 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
2Medicare enrollment records show Chloe Deng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oxford, MA 01540
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 238 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 3
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.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MASt Vincent Hospital
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01501 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.
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 Chloe Deng's NPI number?
The NPI number for Chloe Deng is 1033735428. It was assigned to this individual provider in the NPPES registry on June 22, 2020.
Where is Chloe Deng located?
Chloe Deng practices at 489 Washington St, Auburn, MA 01501. The listed phone number is (508) 832-9646.
What is Chloe Deng's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Chloe Deng enrolled in Medicare?
Yes. Chloe Deng 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 Chloe Deng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chloe Deng reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group, Inc. (Oxford, MA) and Milford Regional Physician Group, Inc. (Milford, MA). 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 Chloe Deng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chloe Deng accept?
Health plans from Anthem Blue Cross and Blue Shield list Chloe Deng 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 Chloe Deng affiliated with any hospitals?
According to CMS data, Chloe Deng is affiliated with Umass Memorial Medical Center/University Campus and St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Chloe Deng was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Chloe Sihua Deng, D.O. · NPI 1033735428
Sleep Medicine physician in Auburn, Massachusetts. Individual provider, active in the CMS NPPES registry since June 22, 2020.
## Identity
- **NPI:** 1033735428 (Entity type: Individual)
- **Enumerated:** June 22, 2020
- **Primary specialty:** Internal Medicine - Sleep Medicine · taxonomy 207RS0012X
- **State license:** 1019586 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 489 WASHINGTON ST, Auburn, MA 01501-5709
- **Phone:** (508) 832-9646
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Umass Memorial Medical Group, Inc. (NPI 1982381018, Oxford, MA); Milford Regional Physician Group, Inc. (NPI 1285031039, Milford, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2020
## Record status
- **NPPES last updated:** September 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033735428) · Data from the CMS NPPES public registry.