Nathan S Chung MD Inc
NPI 1144455148 · Surgery Physician · Los Alamitos, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan S Chung MD Inc is a Surgery Physician organization in Los Alamitos, CA (NPI 1144455148).
Provider details
- NPI number
- 1144455148
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nathan Chung, President(949) 588-2190
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
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
- 2009-05-19
- Last updated
- 2009-05-19
Frequently asked questions
- What is Nathan S Chung MD Inc's NPI number?
- Nathan S Chung MD Inc's National Provider Identifier (NPI) is 1144455148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nathan S Chung MD Inc?
- Nathan S Chung MD Inc is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan S Chung MD Inc located?
- Nathan S Chung MD Inc's practice location on file with NPPES is 3801 Katella Ave Ste 420, Los Alamitos, CA 90720-6903.
- What is Nathan S Chung MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Nathan S Chung MD Inc is (562) 598-2439.
- Does Nathan S Chung MD Inc accept Medicare?
- Nathan S Chung 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 Nathan S Chung MD Inc?
- The authorized official listed on Nathan S Chung MD Inc's NPPES record is Nathan Chung, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nathan S Chung MD Inc's NPI active?
- Yes — Nathan S Chung MD Inc's NPI (1144455148) is active in the NPPES registry as of the last update on 2009-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.