ZHUOYING GU
NPI 1992275937
Ophthalmology in Baltimore, MD
About Zhuoying Gu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZHUOYING GU (NPI 1992275937) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Massachusetts (1022461) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of Johns Hopkins University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Zhuoying Gu 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 Zhuoying Gu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cambridge Health Alliance
Acute Care Hospitals · Cambridge, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Zhuoying Gu's NPI number?
The NPI number for Zhuoying Gu is 1992275937. It was assigned to this individual provider in the NPPES registry on December 3, 2018.
Where is Zhuoying Gu located?
Zhuoying Gu practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Zhuoying Gu's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Zhuoying Gu enrolled in Medicare?
Yes. Zhuoying Gu 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 Zhuoying Gu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zhuoying Gu reassigns Medicare benefits to 2 organizations: Cambridge Public Health Commission (Cambridge, MA) and Massachusetts Eye And Ear Associates, Inc. (Boston, MA). 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 Zhuoying Gu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zhuoying Gu accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Zhuoying Gu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Zhuoying Gu affiliated with any hospitals?
According to CMS data, Zhuoying Gu is affiliated with Cambridge Health Alliance.
When was this NPI record last updated?
The NPPES record for Zhuoying Gu was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Zhuoying Gu · NPI 1992275937
Ophthalmology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since December 3, 2018.
## Identity
- **NPI:** 1992275937 (Entity type: Individual)
- **Enumerated:** December 3, 2018
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 1022461 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA); Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** September 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992275937) · Data from the CMS NPPES public registry.