Ann Kao, MD
NPI 1588643282 · Internal Medicine Physician · Chelsea, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Kao, MD is a Internal Medicine Physician provider in Chelsea, MA (NPI 1588643282).
Provider details
- NPI number
- 1588643282
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 220229 (MA)
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
20 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
- 2006-01-11
- Last updated
- 2012-08-03
Frequently asked questions
- What is Ann Kao's NPI number?
- Ann Kao's National Provider Identifier (NPI) is 1588643282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Kao's specialty?
- Ann Kao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Kao located?
- Ann Kao's practice location on file with NPPES is 151 Everett Ave C51, Chelsea, MA 02150.
- What is Ann Kao's phone number?
- The practice phone number listed in the NPPES registry for Ann Kao is (617) 884-8302.
- Does Ann Kao accept Medicare?
- Ann Kao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Kao's NPI active?
- Yes — Ann Kao's NPI (1588643282) is active in the NPPES registry as of the last update on 2012-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.