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CHLOE SIHUA DENG D.O.
NPI 1033735428
Internal Medicine - Sleep Medicine in Auburn, MA

Active since June 22, 2020PECOS EnrolledAccepts Medicare Assignment
489 WASHINGTON ST, AUBURN, MA 01501(508) 832-9646 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 3, 2025, Mar 12, 2025, Aug 13, 2024 and 3 more (6 updates tracked since 2020).

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 St Vincent Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2020).

NPPES Registry Identity

NPI1033735428
Entity TypeIndividualFemale
Primary Taxonomy207RS0012X
Provider Legal NameCHLOE SIHUA DENGCredential: D.O.
Location Address489 WASHINGTON STAuburn, MA 01501-5709
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885
Phone(508) 832-9646
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2020
Enumeration DateJune 22, 2020
Last NPPES UpdateSeptember 3, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1033735428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in MA · 1019586
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
489 WASHINGTON ST, Auburn, MA 01501
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID648715573
PECOS Enrollment IDI20240715003810
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician 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.

New Patient
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

RACHELLE JENKINS MSPT
Physical Therapist
489 WASHINGTON ST, SUITE 200
AUBURN, MA 01501
Worcester County (508) 721-0000
KRISTIN MELONI DPT
Physical Therapist
489 WASHINGTON ST, SUITE 200
AUBURN, MA 01501
Worcester County (508) 721-0000
BETH CARUSO PT
Physical Therapist
489 WASHINGTON ST, STE 200
AUBURN, MA 01501
Worcester County (774) 696-8309
BRANDIE DAVIES
Physical Therapist
489 WASHINGTON ST, SUITE 200
AUBURN, MA 01501
Worcester County (508) 721-0000
ALEXANDRA CAPOZZO DPT
Physical Therapist
489 WASHINGTON ST, SUITE 200
AUBURN, MA 01501
Worcester County (774) 696-8309
STEVEN R ROZAK M.D.
Internal Medicine
489 WASHINGTON ST
AUBURN, MA 01501
Worcester County (508) 832-9646
LAUREN NEEDELL DO
Internal Medicine
489 WASHINGTON ST
AUBURN, MA 01501
Worcester County (508) 832-9646
NNEKA ILOBA NP
Nurse Practitioner
489 WASHINGTON ST
AUBURN, MA 01501
Worcester County (508) 832-9646

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.

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 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 with the weekly NPPES data releases published by CMS.