MONA LISA ALATTAR M.D.
NPI 1558624239
Internal Medicine - Hematology & Oncology in Houston, TX

Active since June 19, 2012PECOS EnrolledAccepts Medicare Assignment
77.7/100
CMS Quality Rating
925 GESSNER RD, SUITE 600, HOUSTON, TX 77024(713) 827-9525(713) 468-3561 Get Directions Write a Review

NPPES record last updated: March 18, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mona Lisa Alattar M.d. NPPES

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

MONA LISA ALATTAR M.D. (NPI 1558624239) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (P5768) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and maintains 18 additional practice locations.

NPPES Registry Identity

NPI1558624239
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameMONA LISA ALATTARCredential: M.D.
Location Address925 GESSNER RD, SUITE 600Houston, TX 77024-2545
Mailing AddressPo Box 676638Dallas, TX 75267-6638
Fax(713) 468-3561
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 19, 2012
Last NPPES UpdateMarch 18, 2026
NPPES CertifiedMarch 18, 2026
NPI 1558624239 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 · P5768
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.

925 GESSNER RD, Houston, TX 77024

Secondary Practice Locations 18

Location 118955 N Memorial Dr Ste 530Humble, TX 77338-4269 · Phone (346) 362-1670 · Fax (346) 362-1675
Location 23333 Bayshore Blvd Ste 320Pasadena, TX 77504-1950 · Phone (832) 856-8965 · Fax (832) 856-8966
Location 327700 Northwest Freeway, Suite 400,425Cypress, TX 77433-6767 · Phone (832) 377-3260 · Fax (888) 506-5887
Location 41631 North Loop W Ste 410Houston, TX 77008-1530 · Phone (713) 802-9000 · Fax (713) 802-2701
Location 57121 S. Padre Island Dr, Suite 102-101-119Corpus Christi, TX 78412-4938 · Phone (361) 696-6000 · Fax (361) 992-4120
Location 61920 Country Place Pkwy Ste 370Pearland, TX 77584-1962 · Phone (832) 333-1400 · Fax (832) 333-1499
Location 7925 Gessner Rd Ste 650Houston, TX 77024-2789 · Phone (713) 827-9525 · Fax (713) 468-3561
Location 89150 Main St Ste A3Houston, TX 77025-3848 · Phone (713) 630-8181 · Fax (713) 838-9708
Location 917520 W Grand Pkwy S Ste 460Sugar Land, TX 77479-4983 · Phone (281) 491-5511 · Fax (281) 491-5513
Location 102555 Gulf Fwy S Ste 700League City, TX 77573-6742 · Phone (832) 827-8002 · Fax (832) 827-8003
Location 11802 Enterprise Blvd Ste 808Rockport, TX 78382-4346 · Phone (361) 696-6000 · Fax (361) 992-4120
Location 1213215 Dotson Rd Ste 340Houston, TX 77070-4535 · Phone (281) 477-8600 · Fax (281) 477-8577
Location 1323960 Katy Fwy Ste 325Katy, TX 77494-0886 · Phone (281) 578-0201 · Fax (281) 578-0217
Location 1410405 Katy Fwy Ste 150EHouston, TX 77024-1165 · Phone (713) 722-9660 · Fax (713) 722-9664
Location 1510405 Katy Fwy Ste 120Houston, TX 77024-1121 · Phone (832) 333-1474 · Fax (832) 333-1475
Location 162130 W Holcombe Blvd Fl 10Houston, TX 77030-3306 · Phone (713) 600-0900 · Fax (713) 600-0070
Location 1711920 Astoria Blvd Ste 150Houston, TX 77089-6097 · Phone (281) 481-6688 · Fax (281) 481-0870
Location 187789 Southwest Fwy Ste 460Houston, TX 77074-1841 · Phone (713) 778-0300 · Fax (713) 778-0303

Accepted Insurance

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

Mona Lisa Alattar 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 ID3678722899
PECOS Enrollment IDI20160711000788
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 16

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.

Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
13,770 services13 patients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
1,800 services13 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
634 services181 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.
334 services134 patients
Administration of chemotherapy into vein, 1 hour or less 96413
Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.
138 services18 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
128 services22 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450847
Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County
Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77024 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.7/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.59
Promoting Interoperability95
Improvement Activities40
Cost53.55

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.

Pharmacy
925 GESSNER RD, SUITE 650
HOUSTON, TX 77024
Internal Medicine (Cardiovascular Disease)
925 GESSNER RD, SUITE 400
HOUSTON, TX 77024
Clinic/Center (Radiology)
925 GESSNER RD, 2ND FLOOR POB IV SUITE 200
HOUSTON, TX 77024
Internal Medicine (Hematology & Oncology)
925 GESSNER RD, SUITE 550
HOUSTON, TX 77024
Physician Assistant
925 GESSNER RD
HOUSTON, TX 77024
Podiatrist (Foot & Ankle Surgery)
925 GESSNER RD, SUITE 575
HOUSTON, TX 77024
Internal Medicine (Hematology & Oncology)
925 GESSNER RD, SUITE 600
HOUSTON, TX 77024
Internal Medicine (Cardiovascular Disease)
925 GESSNER RD, SUITE 400
HOUSTON, TX 77024

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 Mona Lisa Alattar's NPI number?

The NPI number for Mona Lisa Alattar is 1558624239. It was assigned to this individual provider in the NPPES registry on June 19, 2012.

Where is Mona Lisa Alattar located?

Mona Lisa Alattar practices at 925 Gessner Rd Suite 600, Houston, TX 77024. The listed phone number is (713) 827-9525.

What is Mona Lisa Alattar's specialty?

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

Is Mona Lisa Alattar enrolled in Medicare?

Yes. Mona Lisa Alattar 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.

What insurance does Mona Lisa Alattar accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Mona Lisa Alattar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mona Lisa Alattar affiliated with any hospitals?

According to CMS data, Mona Lisa Alattar is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System, Memorial Hermann Memorial City Hospital, Memorial Hermann Katy Hospital and Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for Mona Lisa Alattar was last updated on March 18, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.