Alfredo Lee Chang MD Inc
NPI 1558990945 · Critical Care Medicine (Internal Medicine) Physician · Monterey Park, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfredo Lee Chang MD Inc is a Critical Care Medicine (Internal Medicine) Physician organization in Monterey Park, CA (NPI 1558990945).
Provider details
- NPI number
- 1558990945
- Entity type
- Organization
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alfredo Lee Chang, Owner(626) 280-4393
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pulmonary Disease Physician207RP1001X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-04-07
- Last updated
- 2020-04-20
- Certified
- 2020-04-20
Frequently asked questions
- What is Alfredo Lee Chang MD Inc's NPI number?
- Alfredo Lee Chang MD Inc's National Provider Identifier (NPI) is 1558990945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alfredo Lee Chang MD Inc?
- Alfredo Lee Chang MD Inc is classified in the NPPES registry as Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Alfredo Lee Chang MD Inc located?
- Alfredo Lee Chang MD Inc's practice location on file with NPPES is 500 N Garfield Ave Ste 204, Monterey Park, CA 91754-1242.
- What is Alfredo Lee Chang MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Alfredo Lee Chang MD Inc is (626) 280-4393.
- Does Alfredo Lee Chang MD Inc accept Medicare?
- Alfredo Lee Chang 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 Alfredo Lee Chang MD Inc?
- The authorized official listed on Alfredo Lee Chang MD Inc's NPPES record is Alfredo Lee Chang, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alfredo Lee Chang MD Inc's NPI active?
- Yes — Alfredo Lee Chang MD Inc's NPI (1558990945) is active in the NPPES registry as of the last update on 2020-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.