Crystal Wong, O.D.
NPI 1659441525 · Optometrist · Chicago, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Wong, O.D. is a Optometrist provider in Chicago, IL (NPI 1659441525).
Provider details
- NPI number
- 1659441525
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 046009664 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
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
- 2006-11-08
- Last updated
- 2011-08-15
Frequently asked questions
- What is Crystal Wong's NPI number?
- Crystal Wong's National Provider Identifier (NPI) is 1659441525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Wong's specialty?
- Crystal Wong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Crystal Wong located?
- Crystal Wong's practice location on file with NPPES is 2349 S Wentworth Ave, Chicago, IL 60616-2013.
- What is Crystal Wong's phone number?
- The practice phone number listed in the NPPES registry for Crystal Wong is (312) 808-1893.
- Does Crystal Wong accept Medicare?
- Crystal Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Wong's NPI active?
- Yes — Crystal Wong's NPI (1659441525) is active in the NPPES registry as of the last update on 2011-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.