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

Dr. Charity Halphen Grannis, MD

Individual provider Pediatric Ophthalmology and Strabismus Specialist Physician · NPI 1629380977

Dr. Charity Halphen Grannis, MD is an Ophthalmology in Houston, Texas. Graduated from Baylor College of Medicine in 2010, 16 years ago. Practices with Hea Clinic PA, a 42-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
16
Trained at
Baylor College of Medicine
Licensed in
TX
In the registry since
2010
Specialties on file
2
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

2855 Gramercy St
Houston, TX 77025-1756
Phone: (713) 668-6828
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence Q0056 (TX)
Pediatric Ophthalmology and Strabismus Specialist Physician Taxonomy 207WX0110X · Licence Q0056 (TX)

Record details

NPI number1629380977
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2010
Last updated in NPPESMarch 19, 2021
Certification dateMarch 19, 2021

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Hea Clinic Pa — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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