Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1073968152 Individual Practitioner Male Practitioner

Dr. Mahmoud Allahham , MD

Internal Medicine • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mahmoud Allahham, MD is a certified Internal Medicine practicing in Houston, TX. With approximately 10 years of clinical experience since graduating from Baylor College Of Medicine in 2016, Dr. Allahham delivers high-quality medical care to the local community at 6720 BERTNER AVE.

Dr. Allahham maintains professional affiliations with Baylor College Of Medicine, Physicians Referral Service and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, hospital observation care. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6720 Bertner Ave

Houston, TX 770302604

Telephone 7137982222
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Houston, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -11.2 yrs vs City Avg
City Avg: 21.2 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
1569 Specialists

Practicing in Houston, TX (9538 Statewide)

Telehealth Adoption Rate
20.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
63.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Allahham (10 Years) 10 Yrs
Houston Specialty Average (21.2 Years) 21.2 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
123 123 $478.00 $175.31

Medical Specialties & State Licenses

CMS Verified: 2025-07-07
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX S1968

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License TX BP10056209

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License TX S1968

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospital & Practice Group Affiliations

Baylor College Of Medicine

6720 Bertner Ave, Houston, TX 770302604

Phone: 7137981000

Physicians Referral Service

1515 Holcombe Blvd, Houston, TX 770304000

Phone: 7137922121

Secondary Practice Locations

1 Baylor Plz

Houston, TX 770303411

Phone: 7137984951

1504 Taub Loop

Houston, TX 770301608

Phone: 7138738890

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

40 Associated Practitioners
NPI 1013122597

Doctor of Medicine (M.D.)

Dr. Laura Pierce , MD

Internal Medicine

NPI 1023549417

Doctor of Medicine (M.D.)

Christine Pham

Hospitalist

NPI 1053933812
Dr. Jeffrey Cleaver , MD

Internal Medicine

NPI 1114462736

Doctor of Medicine (M.D.)

Dr. Ha Phan , MD

Hospitalist

NPI 1134547078

Doctor of Medicine (M.D.)

NPI 1144679838

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location April 07, 2023

Registered at 6720 BERTNER AVE, HOUSTON, TX 770302604 (Tel: 7137982222)

📍
Updated Business Mailing Address August 30, 2019

Registered at 6620 MAIN ST # 11B.285, HOUSTON, TX 770302348 (Tel: 7137982222)

NPI Profile Active June 06, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location June 06, 2016

Registered at 1 BAYLOR PLZ, HOUSTON, TX 770303411 (Tel: 7137984951)

📍
Updated Business Mailing Address June 06, 2016

Registered at 1 BAYLOR PLZ, HOUSTON, TX 770303411 (Tel: 7137984951)

👤
Provider Name / Credentials Updated June 06, 2016

Recorded as MAHMOUD ALLAHHAM, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 06, 2016

Internal Medicine (License #BP10056209 in TX)

🟢
Initial NPI Registration & Enumeration April 26, 2016

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: 1073968152
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 26, 2016
Last Update: July 07, 2025
Sole Proprietor: No

Mailing Address

6620 Main St # 11b.285

Houston, TX 770302348

Phone: 7137982222

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.