Man C Duong MD a Professional Corporation
NPI 1134563976 · Internal Medicine Physician · Calexico, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Man C Duong MD a Professional Corporation is a Internal Medicine Physician organization in Calexico, CA (NPI 1134563976).
Provider details
- NPI number
- 1134563976
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Man Duong, President(279) 297-3417
- License
- A105702 (CA)
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
13 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
- 2013-04-23
- Last updated
- 2024-03-20
- Certified
- 2024-03-20
Frequently asked questions
- What is Man C Duong MD a Professional Corporation's NPI number?
- Man C Duong MD a Professional Corporation's National Provider Identifier (NPI) is 1134563976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Man C Duong MD a Professional Corporation?
- Man C Duong MD a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Man C Duong MD a Professional Corporation located?
- Man C Duong MD a Professional Corporation's practice location on file with NPPES is 423 E 2nd St, Calexico, CA 92231-2846.
- What is Man C Duong MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Man C Duong MD a Professional Corporation is (760) 890-5432.
- Does Man C Duong MD a Professional Corporation accept Medicare?
- Man C Duong MD a Professional Corporation 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 Man C Duong MD a Professional Corporation?
- The authorized official listed on Man C Duong MD a Professional Corporation's NPPES record is Man Duong, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Man C Duong MD a Professional Corporation's NPI active?
- Yes — Man C Duong MD a Professional Corporation's NPI (1134563976) is active in the NPPES registry as of the last update on 2024-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.