DR. GUANNAN ZHANG
NPI 1801473665
Pathology - Anatomic Pathology & Clinical Pathology in Baltimore, MD
About Dr. Guannan Zhang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUANNAN ZHANG (NPI 1801473665) is an individual anatomic pathology & clinical pathology provider in Baltimore, Maryland, licensed in Maryland (D0104148) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Guannan Zhang is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21224 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 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
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 Guannan Zhang's NPI number?
The NPI number for Guannan Zhang is 1801473665. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is Guannan Zhang located?
Guannan Zhang practices at 4940 Eastern Ave, Baltimore, MD 21224. The listed phone number is (410) 550-0100.
What is Guannan Zhang's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Guannan Zhang enrolled in Medicare?
Yes. Guannan Zhang is registered in the Medicare PECOS enrollment system.
Is Guannan Zhang affiliated with any hospitals?
According to CMS data, Guannan Zhang is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Guannan Zhang was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.
# Dr. Guannan Zhang · NPI 1801473665
Anatomic Pathology & Clinical Pathology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1801473665 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** D0104148 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4940 EASTERN AVE, Baltimore, MD 21224-2735
- **Phone:** (410) 550-0100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801473665) · Data from the CMS NPPES public registry.