Andy Nian, MD
NPI 1811389653 · Psychiatry Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Nian, MD is a Psychiatry Physician provider in Chicago, IL (NPI 1811389653).
Provider details
- NPI number
- 1811389653
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125.072556 (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 tenure38% of score
11 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
- 2015-03-03
- Last updated
- 2020-08-20
- Certified
- 2020-08-20
Frequently asked questions
- What is Andy Nian's NPI number?
- Andy Nian's National Provider Identifier (NPI) is 1811389653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Nian's specialty?
- Andy Nian is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Andy Nian located?
- Andy Nian's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Andy Nian's phone number?
- The practice phone number listed in the NPPES registry for Andy Nian is (866) 600-2273.
- Does Andy Nian accept Medicare?
- Andy Nian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Nian's NPI active?
- Yes — Andy Nian's NPI (1811389653) is active in the NPPES registry as of the last update on 2020-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.