LOUIS DIAB MD
NPI 1578092474
Hospitalist in Sugar Land, TX

Q: What is Louis Diab's NPI number?

The NPI number for Louis Diab is 1578092474. It was assigned to this individual provider in the NPPES registry on June 6, 2017.

Q: What is Louis Diab's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Louis Diab was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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 June 06, 2017PECOS EnrolledAccepts Medicare Assignment

16811 SOUTHWEST FWY STE 300, SUGAR LAND, TX 77479(281) 276-0836 Get Directions Write a Review

NPPES record last updated: May 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 20, 2025, Aug 7, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

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About Louis Diab Md NPPES

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

LOUIS DIAB MD (NPI 1578092474) is an individual hospitalist provider in Sugar Land, Texas, licensed in Texas (S7037) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Sugarland Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1578092474

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameLOUIS DIABCredential: MD

Location Address16811 SOUTHWEST FWY STE 300Sugar Land, TX 77479-4728

Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000

Phone(281) 276-0836

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2017

Enumeration DateJune 6, 2017

Last NPPES UpdateMay 20, 20254 updates tracked since enumeration

NPPES CertifiedMay 20, 2025

✔ NPI 1578092474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in TX · S7037

Definition

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License S7037 (TX)

16811 SOUTHWEST FWY STE 300, Sugar Land, TX 77479

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Secondary Practice Locations 5

Location 12002 Holcombe BlvdHouston, TX 77030-4211 · Phone (713) 791-1414

Location 211555 University BlvdSugar Land, TX 77478-3889 · Phone (713) 442-9100

Location 31504 Ben Taub LoopHouston, TX 77030 · Phone (713) 873-2000

Location 46620 Main StHouston, TX 77030-2348 · Phone (713) 798-2450

Location 57200 Cambridge StHouston, TX 77030-4202 · Phone (713) 785-8537

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare.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

Louis Diab Md 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 ID3577987668

PECOS Enrollment IDI20200722001661

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 3

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.

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.

690 services634 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

58 services58 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

14 services14 patients

Hospital Affiliations CMS Care Compare

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

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450820

Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77479 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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 18

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

DIANA M. GUERRA MD

Internal Medicine (Critical Care Medicine)