Nicholas Hatzis, M.D.
NPI 1386800662 · Psychiatry Physician · Chicago, IL
Nicholas Hatzis, M.D. is a Psychiatry Physician provider in Chicago, IL (NPI 1386800662).
Provider details
- NPI number
- 1386800662
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036121458 (IL)
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 tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2009-07-25
Frequently asked questions
- What is Nicholas Hatzis's NPI number?
- Nicholas Hatzis's National Provider Identifier (NPI) is 1386800662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Hatzis's specialty?
- Nicholas Hatzis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Hatzis located?
- Nicholas Hatzis's practice location on file with NPPES is 2300 N Childrens Plz, Chicago, IL 60614-3363.
- What is Nicholas Hatzis's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Hatzis is (773) 880-4835.
- Is Nicholas Hatzis's NPI active?
- Yes — Nicholas Hatzis's NPI (1386800662) is active in the NPPES registry as of the last update on 2009-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.