STEPHEN P CHEN MD INC
NPI 1841517067
Internal Medicine - Pulmonary Disease in Monterey Park, CA

Q: What is Stephen P Chen MD Inc's NPI number?

The NPI number for Stephen P Chen MD Inc is 1841517067. It was assigned to this organization in the NPPES registry on April 27, 2010.

Q: What is Stephen P Chen MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since April 27, 2010

500 N GARFIELD AVE STE 204, MONTEREY PARK, CA 91754(626) 280-4393(626) 280-5379 Get Directions Write a Review

NPPES record last updated: April 27, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Stephen P Chen Md Inc NPPES

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

STEPHEN P CHEN MD INC (NPI 1841517067) is a healthcare organization registered as a pulmonary disease in Monterey Park, California and active in the NPI registry since April 2010. The organization lists Stephen P Chen, President, as its authorized official.

NPPES Registry Identity

NPI1841517067

Entity TypeOrganization

Primary Taxonomy207RP1001X

Legal Business NameSTEPHEN P CHEN MD INC

Location Address500 N GARFIELD AVE STE 204Monterey Park, CA 91754-1242

Mailing Address500 N Garfield Ave Ste 204Monterey Park, CA 91754-1242 · (626) 280-4393 · Fax (626) 280-5379

Phone(626) 280-4393

Fax(626) 280-5379

Organization SubpartNo

Authorized OfficialStephen P ChenPresident · (626) 280-4393

Enumeration DateApril 27, 2010

✔ NPI 1841517067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

500 N GARFIELD AVE STE 204, Monterey Park, CA 91754

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen P Chen Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Stephen P Chen MD Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Stephen Chen, MD

Critical Care (Intensivists)

NPI 1205821477

500 N GARFIELD AVE SUITE 204
Monterey Park, CA 91754

(626) 280-4393

✔ PECOS✔ Accepts MedicareSame address

Paul Sugiharto

Nurse Practitioner

NPI 1619445665

425 W MAIN ST STE 101
Alhambra, CA 91801

(626) 382-1252

✔ PECOS2.6 mi

Hsin-Ying Lin

Nurse Practitioner

NPI 1568842706

808 W 58TH ST
Los Angeles, CA 90037

(323) 541-1600

✔ PECOS✔ Accepts Medicare10 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Stephen P Chen MD Inc's NPI number?

The NPI number for Stephen P Chen MD Inc is 1841517067. It was assigned to this organization in the NPPES registry on April 27, 2010.

Where is Stephen P Chen MD Inc located?

Stephen P Chen MD Inc is located at 500 N Garfield Ave Ste 204, Monterey Park, CA 91754. The listed phone number is (626) 280-4393.

What is Stephen P Chen MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Stephen P Chen MD Inc enrolled in Medicare?

Yes. Stephen P Chen MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Stephen P Chen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Stephen P Chen MD Inc, in Critical Care (Intensivists) and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Stephen P Chen MD Inc was last updated on April 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.