MARGARET CHEN M.D
NPI 1659305084
Internal Medicine in Escondido, CA

Q: What is Margaret Chen's NPI number?

The NPI number for Margaret Chen is 1659305084. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Margaret Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Chen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment

460 N ELM ST, ESCONDIDO, CA 92025(760) 737-2000(760) 737-2039 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Margaret Chen M.d NPPES

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

MARGARET CHEN M.D (NPI 1659305084) is an individual internal medicine provider in Escondido, California, licensed in California (A61751) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1995).

NPPES Registry Identity

NPI1659305084

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARGARET CHENCredential: M.D

Location Address460 N ELM STEscondido, CA 92025-3002

Mailing Address425 N Date StEscondido, CA 92025-3413 · (760) 737-2035 · Fax (760) 741-2782

Phone(760) 737-2000

Fax(760) 737-2039

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 1995

Enumeration DateJuly 10, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1659305084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A61751

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

460 N ELM ST, Escondido, CA 92025

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Other Identifiers 1

Medicare UPINH29118CA

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

Margaret 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 ID1052335684

PECOS Enrollment IDI20060120000870

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92025 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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 5

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

9 suppliers32 claims99 services$5.08 avg. paid by Medicare

Normal, low and high calibrator solution / chips A4256

DME-Other DME · category DE000N

1 supplier12 claims12 services$2.68 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers18 claims26 services$1.07 avg. paid by Medicare

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038

DME-Other DME · category DE000N

1 supplier11 claims11 services$0.00 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

1 supplier21 claims21 services$167.60 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

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