Chang Na, M.D.
NPI 1427290543 · Internal Medicine Physician · Bakersfield, CA
Enrolled with Medicare as Practitioner - Preventive Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chang Na, M.D. is a Internal Medicine Physician provider in Bakersfield, CA (NPI 1427290543).
Provider details
- NPI number
- 1427290543
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 050572 (CT)
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
- 2009-04-03
- Last updated
- 2021-12-08
Frequently asked questions
- What is Chang Na's NPI number?
- Chang Na's National Provider Identifier (NPI) is 1427290543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang Na's specialty?
- Chang Na is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chang Na located?
- Chang Na's practice location on file with NPPES is 3501 Stockdale Hwy, Bakersfield, CA 93309-2150.
- What is Chang Na's phone number?
- The practice phone number listed in the NPPES registry for Chang Na is (877) 524-7373.
- Does Chang Na accept Medicare?
- Chang Na is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chang Na's NPI active?
- Yes — Chang Na's NPI (1427290543) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.