CESAR A DE LAS CASAS M.D.
NPI 1184711798
Internal Medicine - Hematology & Oncology in Houston, TX

Active since October 06, 2006PECOS EnrolledAccepts Medicare Assignment
925 GESSNER RD STE 600, HOUSTON, TX 77024(713) 827-9525(713) 468-3561 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 27, 2026, Aug 3, 2022, Apr 19, 2018 (3 updates tracked since 2018).

About Cesar A De Las Casas M.d. NPPES

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

CESAR A DE LAS CASAS M.D. (NPI 1184711798) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (L6857) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Halifax Health Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1184711798
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameCESAR A DE LAS CASASCredential: M.D.
Location Address925 GESSNER RD STE 600Houston, TX 77024-2645
Mailing AddressPo Box 749495Atlanta, GA 30374-9495 · (855) 963-2100 · Fax (813) 321-1296
Fax(713) 468-3561
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateOctober 6, 2006
Last NPPES UpdateMay 27, 20263 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
NPI 1184711798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in TX · L6857 Licensed in FL · ME123692
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.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License L6857 (TX)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License L6857 (TX)
925 GESSNER RD STE 600, Houston, TX 77024

Secondary Practice Locations 5

Location 14000 Spencer Hwy Ste 200Pasadena, TX 77504-1202 · Phone (713) 378-0330 · Fax (713) 378-0346
Location 22130 W Holcombe Blvd Fl 10Houston, TX 77030-3306 · Phone (713) 600-0900 · Fax (713) 600-0070
Location 37789 Southwest Fwy Ste 460Houston, TX 77074-1841 · Phone (713) 778-0300 · Fax (713) 778-0303
Location 4801 N Flamingo RdPembroke Pines, FL 33028-1046 · Phone (954) 265-4325 · Fax (954) 443-4747
Location 56445 Main Street, OPC 24Houston, TX 77030 · Phone (713) 441-9948 · Fax (713) 441-8791

Other Identifiers 6

Medicaid183719701TX
Medicaid175877303TX
Medicaid175877302TX
Other8M8499TX · Bcbstx
Other8DB840Bcbs Tx
Medicaid014821000FL

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

Cesar A De Las Casas 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 ID1153353990
PECOS Enrollment IDI20150715000288
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 7

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.

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.
200 services34 patients
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.
138 services49 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
59 services30 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.
51 services49 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.
49 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Halifax Health Medical Center

Acute Care Hospitals · Daytona Beach, FL
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100017
Location303 N Clyde Morris BlvdDaytona Beach, FL 32114 · Volusia County
Emergency services Birthing friendly

Halifax Health /Uf Health Medical Center Of Delton

Acute Care Hospitals · Deltona, FL
OwnershipGovernment - Local
CMS Certification Number100330
Location3300 Halifax Crossings BlvdDeltona, FL 32725 · Volusia County
Emergency services

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.

Other Providers at the Same Location NPPES 8

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

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
925 GESSNER RD STE 600
HOUSTON, TX 77024
Nurse Practitioner (Family)
925 GESSNER RD STE 600
HOUSTON, TX 77024
Physician Assistant
925 GESSNER RD STE 600
HOUSTON, TX 77024
Internal Medicine (Medical Oncology)
925 GESSNER RD STE 600
HOUSTON, TX 77024
Internal Medicine (Medical Oncology)
925 GESSNER RD STE 600
HOUSTON, TX 77024
Internal Medicine (Hematology & Oncology)
925 GESSNER RD STE 600
HOUSTON, TX 77024
Physician Assistant
925 GESSNER RD STE 600
HOUSTON, TX 77024
Pharmacist
925 GESSNER RD STE 600
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 Cesar De Las Casas's NPI number?

The NPI number for Cesar De Las Casas is 1184711798. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Cesar De Las Casas located?

Cesar De Las Casas practices at 925 Gessner Rd Ste 600, Houston, TX 77024. The listed phone number is (713) 827-9525.

What is Cesar De Las Casas's specialty?

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

Is Cesar De Las Casas enrolled in Medicare?

Yes. Cesar De Las Casas 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 Cesar De Las Casas accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Florida Health Care Plans and Oscar Insurance Company list Cesar De Las Casas 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 Cesar De Las Casas affiliated with any hospitals?

According to CMS data, Cesar De Las Casas is affiliated with Halifax Health Medical Center and Halifax Health /Uf Health Medical Center Of Delton.

When was this NPI record last updated?

The NPPES record for Cesar De Las Casas was last updated on May 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.