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Active NPI 1225320849 Individual Practitioner Male Practitioner

Dr. Di Ai , MD, PhD

Pathology - Anatomic Pathology • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Di Ai, MD, PhD is a certified Pathology - Anatomic Pathology practicing in Houston, TX. With approximately 27 years of clinical experience since completing medical education in 1999, Dr. Ai delivers high-quality medical care to the local community at 5656 KELLEY STREET.

Dr. Ai is affiliated with Physicians Referral Service and accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, pathology examination of tissue using a microscope, moderately high complexity, pathology examination of specimen during surgery, first tissue block. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5656 Kelley Street

Houston, TX 770261967

Telephone 7135665261
Fax 7135665299
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Houston, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
27 Yrs -4.1 yrs vs City Avg
City Avg: 31.1 Yrs
State Avg: 26.5 Yrs
Regional Practice Density
69 Specialists

Practicing in Houston, TX (166 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
83.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ai (27 Years) 27 Yrs
Houston Specialty Average (31.1 Years) 31.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity
65 32 $319.00 $36.67
88307 Pathology examination of tissue using a microscope, moderately high complexity
38 16 $530.00 $80.41
88331 Pathology examination of specimen during surgery, first tissue block
27 12 $281.00 $60.69
88342 Special stained specimen slides to examine tissue, initial procedure
15 14 $182.00 $34.41

Medical Specialties & State Licenses

CMS Verified: 2025-03-24
Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License TX U2424

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Pathology - Anatomic Pathology

NUCC Taxonomy Code: 207ZP0101X

State License GA 89224

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Pathology - Anatomic Pathology

NUCC Taxonomy Code: 207ZP0101X

State License PA MD465935

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Hospital & Practice Group Affiliations

Physicians Referral Service

1515 Holcombe Blvd, Houston, TX 770304000

Phone: 7137922121

Secondary Practice Locations

1515 Holcombe Blvd

Houston, TX 770304000

Phone: 7137926161

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Antonio Galvao Neto , MD

Pathology - Anatomic Pathology

NPI 1255469250

Doctor of Medicine (M.D.)

Dr. Michael Covinsky , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1609823681

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location June 02, 2023

Registered at 5656 KELLEY STREET, HOUSTON, TX 770261967 (Tel: 7135665261)

📍
Updated Business Mailing Address June 02, 2023

Registered at 6431 FANNIN STREET, MSB 2.136, HOUSTON, TX 770301501 (Tel: 7135005301)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 02, 2023

Pathology (License #89224 in GA)

📍
Updated Practice Location August 11, 2021

Registered at 1364 CLIFTON RD NE, ATLANTA, GA 303220001 (Tel: 8326606523)

📍
Updated Business Mailing Address June 09, 2021

Registered at 2527 PRINCETON DR, PEARLAND, TX 775844993 (Tel: 8326606523)

NPI Profile Active May 17, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location May 17, 2015

Registered at 2401 S 31ST ST, TEMPLE, TX 765080001 (Tel: 8326606523)

📍
Updated Business Mailing Address May 17, 2015

Registered at 2401 S 31ST ST, TEMPLE, TX 765080001 (Tel: 8326606523)

👤
Provider Name / Credentials Updated May 17, 2015

Recorded as DI AI, M.D., PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 17, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 16, 2011

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1225320849
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 16, 2011
Last Update: March 24, 2025
Sole Proprietor: No

Mailing Address

6431 Fannin Street, Msb 2.136

Houston, TX 770301501

Phone: 7135005301

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.