Stephen P Chen MD Inc
NPI 1841517067 · Pulmonary Disease Physician · Monterey Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen P Chen MD Inc is a Pulmonary Disease Physician organization in Monterey Park, CA (NPI 1841517067).
Provider details
- NPI number
- 1841517067
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Chen, President(626) 280-4393
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-27
- Last updated
- 2010-04-27
Frequently asked questions
- What is Stephen P Chen MD Inc's NPI number?
- Stephen P Chen MD Inc's National Provider Identifier (NPI) is 1841517067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen P Chen MD Inc?
- Stephen P Chen MD Inc is classified in the NPPES registry as Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen P Chen MD Inc located?
- Stephen P Chen MD Inc's practice location on file with NPPES is 500 N Garfield Ave Ste 204, Monterey Park, CA 91754-1242.
- What is Stephen P Chen MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Stephen P Chen MD Inc is (626) 280-4393.
- Does Stephen P Chen MD Inc accept Medicare?
- Stephen P Chen MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Stephen P Chen MD Inc?
- The authorized official listed on Stephen P Chen MD Inc's NPPES record is Stephen Chen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen P Chen MD Inc's NPI active?
- Yes — Stephen P Chen MD Inc's NPI (1841517067) is active in the NPPES registry as of the last update on 2010-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.