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MAHMOOD O DWEIK M.D.
NPI 1245228741
Internal Medicine - Pulmonary Disease in Webster, TX

Active since October 10, 2005PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
600 N KOBAYASHI STE 208, WEBSTER, TX 77598(281) 724-8180(281) 336-1171 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mahmood O Dweik M.d. NPPES

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

MAHMOOD O DWEIK M.D. (NPI 1245228741) is an individual pulmonary disease provider in Webster, Texas, licensed in Texas (L8675) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Clear Lake, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1245228741
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameMAHMOOD O DWEIKCredential: M.D.
Location Address600 N KOBAYASHI STE 208Webster, TX 77598-4841
Mailing AddressPo Box 58538Webster, TX 77598-8538 · (281) 724-1860 · Fax (281) 724-1861
Phone(281) 724-8180
Fax(281) 336-1171
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateOctober 10, 2005
Last NPPES UpdateFebruary 11, 2026
NPPES CertifiedFebruary 11, 2026
✔ NPI 1245228741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in TX · L8675
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License L8675 (TX)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License L8675 (TX)
600 N KOBAYASHI STE 208, Webster, TX 77598
Open in Google Maps ↗

Secondary Practice Locations 6

Location 1500 N Kobayashi Ste CWebster, TX 77598-4722 · Phone (281) 816-3092
Location 2600 N Kobayashi Ste 110Webster, TX 77598-4841 · Phone (281) 338-1701
Location 31046 Hercules Ave Ste AHouston, TX 77058-2722 · Phone (281) 316-8400
Location 4905 W Medical Center Blvd Ste 102Webster, TX 77598-4009 · Phone (346) 688-0043
Location 5600 N Kobayashi Ste 309Webster, TX 77598-4841 · Phone (281) 724-8332
Location 6500 N Kobayashi Ste AWebster, TX 77598-4722 · Phone (281) 724-1860 · Fax (281) 724-1861

Other Identifiers 2

Other1245228741TX · Npi
Medicaid169933203TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Mahmood O Dweik 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 ID8426017526
PECOS Enrollment IDI20041005000778
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 10

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.
423 services162 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.
214 services183 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.
151 services140 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
108 services100 patients
Therapy procedure using a positive pressure ventilator 94660
A positive pressure ventilator is a device that helps with breathing. It pushes air into the lungs to assist in maintaining oxygen levels. This can be essential for patients with conditions that affect their ability to breathe independently. It's non-invasive and comfortable.
95 services91 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.
49 services49 patients

Hospital Affiliations CMS Care Compare

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

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450617
Location500 W Medical Center BlvdWebster, TX 77598 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77598 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
12 suppliers310 claims310 services$32.27 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
11 suppliers153 claims153 services$70.60 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
12 suppliers154 claims442 services$28.23 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
9 suppliers188 claims1,072 services$15.53 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
6 suppliers154 claims900 services$12.42 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
12 suppliers354 claims354 services$45.35 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 14

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

DR. DISHA AWASTHI MD
Internal Medicine (Pulmonary Disease)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-8180
CHARMAINE ANN ENERIO APRN-CNP
Nurse Practitioner (Acute Care)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-8180
MS. REBEKAH KATHERINE HILFIGER RDN
Dietitian, Registered
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-8180
MRS. CHANISE TIARE FRANDSEN PA-C
Physician Assistant
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-8180
JAVIER A RIOS MD PLLC
Family Medicine (Sports Medicine)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 332-2286
RUDY LOZANO CARREON MD
Psychiatry & Neurology (Psychiatry)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-4583
SAMIHA TAHSIN CHOUDHURY
Counselor (Mental Health)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-4583
MOHAMMAD EYAD ALBABA DDS
Dentist (Orthodontics and Dentofacial Orthopedics)
600 N KOBAYASHI STE 208
WEBSTER, TX 77598
Harris County (281) 724-1860

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 Mahmood Dweik's NPI number?

The NPI number for Mahmood Dweik is 1245228741. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is Mahmood Dweik located?

Mahmood Dweik practices at 600 N Kobayashi Ste 208, Webster, TX 77598. The listed phone number is (281) 724-8180.

What is Mahmood Dweik's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mahmood Dweik enrolled in Medicare?

Yes. Mahmood Dweik 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 Mahmood Dweik accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list Mahmood Dweik 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 Mahmood Dweik affiliated with any hospitals?

According to CMS data, Mahmood Dweik is affiliated with Hca Houston Healthcare Clear Lake.

When was this NPI record last updated?

The NPPES record for Mahmood Dweik was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.