Stephen Ko, MD MA MPH MDIV
NPI 1669634648 · Pediatrics Physician · Oak Bluffs, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ko, MD MA MPH MDIV is a Pediatrics Physician provider in Oak Bluffs, MA (NPI 1669634648).
Provider details
- NPI number
- 1669634648
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD MA MPH MDIV
- Sex
- Male
- Sole proprietor
- Yes
- License
- 238993 (NY)
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
- 2008-06-30
- Last updated
- 2024-10-09
- Certified
- 2024-10-09
Frequently asked questions
- What is Stephen Ko's NPI number?
- Stephen Ko's National Provider Identifier (NPI) is 1669634648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ko's specialty?
- Stephen Ko is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ko located?
- Stephen Ko's practice location on file with NPPES is 1 Hospital Rd, Oak Bluffs, MA 02557-1406.
- What is Stephen Ko's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ko is (508) 693-0410.
- Does Stephen Ko accept Medicare?
- Stephen Ko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ko's NPI active?
- Yes — Stephen Ko's NPI (1669634648) is active in the NPPES registry as of the last update on 2024-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.