Calvin M Duong MD a Medical Corp
NPI 1952542045 · Internal Medicine Physician · Los Angeles, CA
Calvin M Duong MD a Medical Corp is a Internal Medicine Physician organization in Los Angeles, CA (NPI 1952542045).
Provider details
- NPI number
- 1952542045
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Calvin Duong, President(213) 617-8301
- License
- A91752 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-03-18
- Last updated
- 2009-03-18
Frequently asked questions
- What is Calvin M Duong MD a Medical Corp's NPI number?
- Calvin M Duong MD a Medical Corp's National Provider Identifier (NPI) is 1952542045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Calvin M Duong MD a Medical Corp?
- Calvin M Duong MD a Medical Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin M Duong MD a Medical Corp located?
- Calvin M Duong MD a Medical Corp's practice location on file with NPPES is 625 W College St, Los Angeles, CA 90012-1675.
- What is Calvin M Duong MD a Medical Corp's phone number?
- The practice phone number listed in the NPPES registry for Calvin M Duong MD a Medical Corp is (213) 617-8301.
- Who is the authorized official for Calvin M Duong MD a Medical Corp?
- The authorized official listed on Calvin M Duong MD a Medical Corp's NPPES record is Calvin Duong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Calvin M Duong MD a Medical Corp's NPI active?
- Yes — Calvin M Duong MD a Medical Corp's NPI (1952542045) is active in the NPPES registry as of the last update on 2009-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.