MAHMOOD O. DWEIK M.D. – NPI #1245228741
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

MAHMOOD DWEIK is a physician located in WEBSTER, TX. NPPES has assigned the NPI number 1245228741 to MAHMOOD DWEIK on October 10, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI data, there are 6 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RP1001X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Pulmonary Disease

The NPI profile was last updated on Feb 11, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MAHMOOD DWEIK below.

NPI Profile for
MAHMOOD O. DWEIK

NPI Number
1245228741
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MAHMOOD O. DWEIK
Credentials
M.D.
Primary location
600 N KOBAYASHI STE 208
WEBSTER, TX 77598-4841
Phone: (281) 724-8180 Fax: (281) 336-1171
6 Other location(s):
1046 Hercules Ave Ste A
Houston, TX 77058-2722
Phone: (281) 316-8400
500 N Kobayashi Ste A
Webster, TX 77598-4722
Phone: (281) 724-1860
Fax: (281) 724-1861
500 N Kobayashi Ste C
Webster, TX 77598-4722
Phone: (281) 816-3092
600 N Kobayashi Ste 110
Webster, TX 77598-4841
Phone: (281) 338-1701
600 N Kobayashi Ste 309
Webster, TX 77598-4841
Phone: (281) 724-8332
905 W Medical Center Blvd Ste 102
Webster, TX 77598-4009
Phone: (346) 688-0043
Mailing address
PO BOX 58538
WEBSTER, TX 77598-8538
Phone: (281) 724-1860 Fax: (281) 724-1861
Sole Proprietor
No
Updated
Certification Date
Feb 11, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for MAHMOOD DWEIK

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherNPITX1245228741
medicaidTX169933203
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RP1001X
- Internal Medicine / Pulmonary Disease (Primary)		 TX L8675
207RS0012X
- Internal Medicine / Sleep Medicine		 TX L8675
207R00000X
- Internal Medicine		 TX L8675

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
MAHMOOD DWEIK is affiliated with the following medical group(s):
  • HOSPITAL
    • HCA HOUSTON HEALTHCARE CLEAR LAKE
      500 MEDICAL CENTER BLVD
      WEBSTER, TX 77598
  • NURSING HOME
    • BAYWIND VILLAGE SKILLED NURSING & REHAB
      411 ALABAMA AVE
      LEAGUE CITY, TX 77573

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.