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XIN CHEN M.D.
NPI 1033573241
Internal Medicine - Endocrinology, Diabetes & Metabolism in Hawthorne, CA

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment
4455 W 117TH ST STE 502, HAWTHORNE, CA 90250(424) 236-4800 Get Directions Write a Review

NPPES record last updated: December 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 7, 2023, May 11, 2022, Jun 10, 2021 (3 updates tracked since 2021).

About Xin Chen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

XIN CHEN M.D. (NPI 1033573241) is an individual endocrinology, diabetes & metabolism provider in Hawthorne, California, licensed in California (A155042) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Toledo College Of Medicine (2016).

NPPES Registry Identity

NPI1033573241
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameXIN CHENCredential: M.D.
Location Address4455 W 117TH ST STE 502Hawthorne, CA 90250-2261
Mailing Address2550 W Main St Ste 301Alhambra, CA 91801-7003 · (424) 236-4800
Phone(424) 236-4800
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2016
Enumeration DateApril 13, 2016
Last NPPES UpdateDecember 7, 20233 updates tracked since enumeration
NPPES CertifiedDecember 7, 2023
✔ NPI 1033573241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A155042
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
4455 W 117TH ST STE 502, Hawthorne, CA 90250
Open in Google Maps ↗

Secondary Practice Location 1

Location 11414 S Grand Ave Ste 456Los Angeles, CA 90015-3071 · Phone (408) 823-1252

Other Identifiers 1

MedicaidXC3232267556CA

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

Xin Chen M.d. 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 ID3375943947
PECOS Enrollment IDI20210618000909
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.

Medicare Billing Reassignment

Medicare enrollment records show Xin Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northeast Community Clinic
Same address
Federally Qualified Health Center (FQHC)
4455 W. 117TH ST SUITE 105
Hawthorne, CA 90250
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
NPI 1275226334 (424) 456-6200

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 90250 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
14 suppliers53 claims99 services$6.05 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers16 claims16 services$1.06 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
6 suppliers62 claims62 services$178.87 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NORTHEAST COMMUNITY CLINIC
Clinic/Center (Federally Qualified Health Center (FQHC))
4455 W 117TH ST STE 502
HAWTHORNE, CA 90250
Los Angeles County (424) 236-4800

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 Xin Chen's NPI number?

The NPI number for Xin Chen is 1033573241. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is Xin Chen located?

Xin Chen practices at 4455 W 117th St Ste 502, Hawthorne, CA 90250. The listed phone number is (424) 236-4800.

What is Xin Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Xin Chen enrolled in Medicare?

Yes. Xin Chen 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 Xin Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Xin Chen reassigns Medicare benefits to Northeast Community Clinic (Hawthorne, CA). 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 Xin Chen'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 Xin Chen was last updated on December 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.