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Sumiko Armstead is one of 148 nephrologists practicing in Houston, Texas .
Sumiko Armstead practices with Memorial Hermann Medical Group.
Registry record (NPPES)
NPI
1528267812
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Nephrology · 207RN0300X
Address on file
27700 Northwest Fwy Ste 330 Cypress, TX 77433-6767 (281) 908-8047
Enumerated
Jul 16, 2007
Record last updated
Mar 19, 2026
License states listed
TX
Medicare (CMS)
Enrollment
Medicare-enrolled in TXNephrology
Revalidation due
No date set by CMS
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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history
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Practice locations
7600 Beechnut St
Houston , TX 77074
915 Gessner Rd Suite 100
Houston , TX 77024
(713) 242-2222
More nephrologists in Houston
Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.
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