IndividualActive
Sefik Abdulhayoglu, MD
NPI 1659358166 · Internal Medicine Physician · Chelsea, MA
Sefik Abdulhayoglu, MD is a Internal Medicine Physician provider in Chelsea, MA (NPI 1659358166).
Provider details
- NPI number
- 1659358166
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 34674 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
383 Washington Ave
Chelsea, MA 02150-3601
Phone: (618) 884-3385
Fax: (508) 993-8715
Street-level locationGet directions
Mailing address
11 Longbow Cir
Lynnfield, MA 01940-1430
Registry dates
- Enumerated
- 2005-12-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sefik Abdulhayoglu's NPI number?
- Sefik Abdulhayoglu's National Provider Identifier (NPI) is 1659358166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sefik Abdulhayoglu's specialty?
- Sefik Abdulhayoglu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sefik Abdulhayoglu located?
- Sefik Abdulhayoglu's practice location on file with NPPES is 383 Washington Ave, Chelsea, MA 02150-3601.
- What is Sefik Abdulhayoglu's phone number?
- The practice phone number listed in the NPPES registry for Sefik Abdulhayoglu is (618) 884-3385.
- Is Sefik Abdulhayoglu's NPI active?
- Yes — Sefik Abdulhayoglu's NPI (1659358166) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.