CINDY UNG MD
NPI 1710305172
Ophthalmology in Boston, MA
About Cindy Ung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CINDY UNG MD (NPI 1710305172) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (274302) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
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
Cindy Ung Md 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
5Medicare enrollment records show Cindy Ung reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
Garden Grove, CA 92843
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Long Beach, CA 90815
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Long Beach, CA 90807
- Reassigned Medicare billing, California enrollment
- 9 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.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
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 Cindy Ung's NPI number?
The NPI number for Cindy Ung is 1710305172. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Cindy Ung located?
Cindy Ung practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-3288.
What is Cindy Ung's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Cindy Ung enrolled in Medicare?
Yes. Cindy Ung 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 Cindy Ung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cindy Ung reassigns Medicare benefits to 5 organizations: Southern California Permanente Medical Group (Lancaster, CA), Marshall B. Ketchum University (Anaheim, CA), Orange County Ophthalmology Medical Group (Garden Grove, CA), Eye Physicians Of Long Beach A Medical Group Inc. (Long Beach, CA) and Carson Mcbeath & Boswell Inc. (Long Beach, 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 Cindy Ung'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 Cindy Ung was last updated on December 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.