Yiannis Koullias, MD
NPI 1659752939 · Infectious Disease Physician · San Francisco, CA
Yiannis Koullias, MD is a Infectious Disease Physician provider in San Francisco, CA (NPI 1659752939).
Provider details
- NPI number
- 1659752939
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0064445 (CO)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 2040 Franklin St Apt 1002San Francisco, CA 94109-2904Phone: (347) 633-3400
- 12605 E 16th AveAurora, CO 80045-2545Phone: (720) 848-0000
Registry dates
- Enumerated
- 2015-06-12
- Last updated
- 2024-04-22
- Certified
- 2024-04-22
Frequently asked questions
- What is Yiannis Koullias's NPI number?
- Yiannis Koullias's National Provider Identifier (NPI) is 1659752939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yiannis Koullias's specialty?
- Yiannis Koullias is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Yiannis Koullias located?
- Yiannis Koullias's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1563.
- What is Yiannis Koullias's phone number?
- The practice phone number listed in the NPPES registry for Yiannis Koullias is (347) 633-3400.
- Is Yiannis Koullias's NPI active?
- Yes — Yiannis Koullias's NPI (1659752939) is active in the NPPES registry as of the last update on 2024-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.