DIANNE LEE WONG O.D.
NPI 1750384061
Optometrist in San Rafael, CA
About Dianne Lee Wong O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNE LEE WONG O.D. (NPI 1750384061) is an individual optometrist in San Rafael, California, licensed in California (11780) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dianne Lee Wong O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Dianne Wong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Walnut Creek, CA 94596
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN RAFAEL, CA 94901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Dianne Wong's NPI number?
The NPI number for Dianne Wong is 1750384061. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Dianne Wong located?
Dianne Wong practices at 901 E St Ste 285, San Rafael, CA 94901. The listed phone number is (415) 454-5565.
What is Dianne Wong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Dianne Wong enrolled in Medicare?
Yes. Dianne Wong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Dianne Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianne Wong reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Richmond, CA) and (Walnut Creek, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dianne Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dianne Wong was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dianne Lee Wong, O.D. · NPI 1750384061
Optometrist provider in San Rafael, California. Individual provider, active in the CMS NPPES registry since May 31, 2005.
## Identity
- **NPI:** 1750384061 (Entity type: Individual)
- **Enumerated:** May 31, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 11780 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 E ST, STE 285, San Rafael, CA 94901-2850
- **Phone:** (415) 454-5565 · **Fax:** (415) 454-2957
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); (NPI 1942235734, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California - School Of Optometry, class of 2001
## Record status
- **NPPES last updated:** January 3, 2022
- **Other identifiers:** Medicaid GR0015750 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1750384061) · Data from the CMS NPPES public registry.