Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Seymour Marcus Weaver III, MD

Individual provider Dermatology Physician · NPI 1225126956

Dr. Seymour Marcus Weaver III, MD is a Dermatology in Houston, Texas. Graduated from Baylor College of Medicine in 1977, 49 years ago. Practices with Csi Medical Group, a 104-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Texas and Wisconsin.

Years since qualifying
49
Trained at
Baylor College of Medicine
Licensed in
CA, TX, WI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4801 Woodway Dr Ste 300E
Houston, TX 77056-1888
Phone: (281) 395-7770
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1127 Wilshire Blvd Ste 600, Los Angeles, CA 90017-3907 — (213) 278-0021

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence C38690 (CA)
Dermatology Physician Taxonomy 207N00000X · Licence F0346 (TX)
Dermatology Physician Taxonomy 207N00000X · Licence 77612 (WI)

Record details

NPI number1225126956
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESJune 10, 2026
Certification dateJune 10, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Csi Medical Group — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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