Nancy Kwan, O.D.
NPI 1922187855 · Optometrist · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Kwan, O.D. is a Optometrist provider in Rancho Cucamonga, CA (NPI 1922187855).
Provider details
- NPI number
- 1922187855
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- OPT11365T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 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.
$1,318 across 4 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
- 2006-11-02
- Last updated
- 2016-08-25
Frequently asked questions
- What is Nancy Kwan's NPI number?
- Nancy Kwan's National Provider Identifier (NPI) is 1922187855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Kwan's specialty?
- Nancy Kwan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nancy Kwan located?
- Nancy Kwan's practice location on file with NPPES is 9596 Baseline Rd, Rancho Cucamonga, CA 91701-5034.
- What is Nancy Kwan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Kwan is (909) 989-1791.
- Does Nancy Kwan accept Medicare?
- Nancy Kwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Kwan's NPI active?
- Yes — Nancy Kwan's NPI (1922187855) is active in the NPPES registry as of the last update on 2016-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.