Doctor profile · Federal record

Dr. GUANNAN ZHANG

Anatomic Pathology & Clinical Pathology Physician (CMS: PATHOLOGY) · BALTIMORE, MD

  • NPI 1801473665
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4940 EASTERN AVE
BALTIMORE, MD 212242735
(410) 550-0100
Additional location
1611 NW 12th Ave
Miami, FL 331361005
(305) 585-7400
Additional location
1800 Orleans St
Baltimore, MD 212870010
(410) 955-5000
Mailing address
6201 GREENLEIGH AVE
BALTIMORE, MD 212202004

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
June 17, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Maryland #D0104148

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801473665. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Celgene Corporation 1 $47.35

By nature of payment

Food and Beverage
$47

Hospital affiliations

CMS Hospital Compare

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›