DR. MAHMOUD GABALLA M.D.
NPI 1992096135
Internal Medicine - Hematology & Oncology in Houston, TX

Q: What is Mahmoud Gaballa's NPI number?

The NPI number for Mahmoud Gaballa is 1992096135. It was assigned to this individual provider in the NPPES registry on April 21, 2011.

Q: What is Mahmoud Gaballa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Mahmoud Gaballa was last updated on December 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 21, 2011PECOS EnrolledAccepts Medicare Assignment

1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-6161 Get Directions Write a Review

NPPES record last updated: December 29, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 29, 2022, Sep 27, 2021 (2 updates tracked since 2021).

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About Dr. Mahmoud Gaballa M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAHMOUD GABALLA M.D. (NPI 1992096135) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (U0588) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1992096135

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. MAHMOUD GABALLACredential: M.D.

Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4000

Mailing AddressP O Box 4439Houston, TX 77210-4439 · (713) 792-2991 · Fax (617) 643-5843

Phone(713) 792-6161

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateApril 21, 2011

Last NPPES UpdateDecember 29, 20222 updates tracked since enumeration

NPPES CertifiedDecember 29, 2022

✔ NPI 1992096135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in TX · U0588

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1515 HOLCOMBE BLVD, Houston, TX 77030

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mahmoud Gaballa M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618190950

PECOS Enrollment IDI20230111000048

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

286 services78 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

234 services109 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

72 services57 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

52 services52 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

51 services39 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

28 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MERRY CHEN MD

Psychiatry & Neurology (Neurology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

AMEENA BAGREE MALHOTRA M.D.

Internal Medicine (Nephrology)

1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030

Harris County (713) 792-6161

SOLANGE ERLYN COX MD

Surgery

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-2360

DR. BRYAN KEITH GUILLORY M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

JANUARY Y TSAI MD

Anesthesiology

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

DR. SUNYOUNG LEE MD

Internal Medicine (Medical Oncology)

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MRS. RACHEL KRAMER FUTRELL PA-C

Physician Assistant

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

MEGAN J TANNER NP-C

Nurse Practitioner

1515 HOLCOMBE BLVD
HOUSTON, TX 77030

Harris County (713) 792-6161

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mahmoud Gaballa's NPI number?

The NPI number for Mahmoud Gaballa is 1992096135. It was assigned to this individual provider in the NPPES registry on April 21, 2011.

Where is Mahmoud Gaballa located?

Mahmoud Gaballa practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.

What is Mahmoud Gaballa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Mahmoud Gaballa enrolled in Medicare?

Yes. Mahmoud Gaballa is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mahmoud Gaballa was last updated on December 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.