Michael Koutsoyiannis, MD
NPI 1609968536 · Nephrology Physician · Flushing, NY
Michael Koutsoyiannis, MD is a Nephrology Physician provider in Flushing, NY (NPI 1609968536).
Provider details
- NPI number
- 1609968536
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- NY132290 (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
19 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
- 2006-09-28
- Last updated
- 2025-09-11
Frequently asked questions
- What is Michael Koutsoyiannis's NPI number?
- Michael Koutsoyiannis's National Provider Identifier (NPI) is 1609968536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Koutsoyiannis's specialty?
- Michael Koutsoyiannis is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Koutsoyiannis located?
- Michael Koutsoyiannis's practice location on file with NPPES is 42 70 156th Street, Flushing, NY 11355.
- What is Michael Koutsoyiannis's phone number?
- The practice phone number listed in the NPPES registry for Michael Koutsoyiannis is (718) 353-1020.
- Is Michael Koutsoyiannis's NPI active?
- Yes — Michael Koutsoyiannis's NPI (1609968536) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.