Nicholas Tangchaivang, M.D.
NPI 1457641714 · Internal Medicine Physician · Chicago, IL
Nicholas Tangchaivang, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1457641714).
Provider details
- NPI number
- 1457641714
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A123647 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-04-07
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Nicholas Tangchaivang's NPI number?
- Nicholas Tangchaivang's National Provider Identifier (NPI) is 1457641714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Tangchaivang's specialty?
- Nicholas Tangchaivang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Tangchaivang located?
- Nicholas Tangchaivang's practice location on file with NPPES is 24 E Washington St Ste 875, Chicago, IL 60602-1758.
- What is Nicholas Tangchaivang's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Tangchaivang is (888) 691-7867.
- Is Nicholas Tangchaivang's NPI active?
- Yes — Nicholas Tangchaivang's NPI (1457641714) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.