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

Dr. Di Ai, MD, PHD

Individual provider Anatomic Pathology Physician · NPI 1225320849

Dr. Di Ai, MD, PHD is a Pathology in Houston, Texas. Qualified in 1999, 27 years ago. Practices with Physicians Referral Service, a 2,727-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Georgia, Pennsylvania and Texas.

Years since qualifying
27
Licensed in
GA, PA, TX
In the registry since
2011
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5656 Kelley St
Houston, TX 77026-1967
Phone: (713) 566-5261
Fax: (713) 566-5299
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1515 Holcombe Blvd, Houston, TX 77030-4000 — (713) 792-6161

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence U2424 (TX)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence 89224 (GA)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence MD465935 (PA)

Record details

NPI number1225320849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 16, 2011
Last updated in NPPESMarch 24, 2025
Certification dateMarch 24, 2025
Mailing address6431 Fannin Street, Msb 2.136, Houston, TX 77030-1501

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Physicians Referral Service — 2727 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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