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DAVID N. PHAM, MD, INC
NPI 1457458630
Internal Medicine - Pulmonary Disease in Westminster, CA

Active since September 20, 2006
14120 BEACH BLVD, SUITE 101, WESTMINSTER, CA 92683(714) 887-0400(714) 887-0701 Get Directions Write a Review

NPPES record last updated: June 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 7, 2026, Jan 25, 2023, Jan 21, 2016 and 1 more (4 updates tracked since 2016).

About David N. Pham, Md, Inc NPPES

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

DAVID N. PHAM, MD, INC (NPI 1457458630), doing business as Comprehensive Pulmonary Medical Group, is a healthcare organization registered as a pulmonary disease in Westminster, California and active in the NPI registry since September 2006. The organization lists Kareem Ahmad, Doctor, as its authorized official.

NPPES Registry Identity

NPI1457458630
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameDAVID N. PHAM, MD, INC
Location Address14120 BEACH BLVD, SUITE 101Westminster, CA 92683-4454
Mailing Address14120 Beach Blvd Ste 101Westminster, CA 92683-4454 · (714) 887-0400 · Fax (714) 887-0701
Phone(714) 887-0400
Fax(714) 887-0701
Organization SubpartNo
Authorized OfficialKareem AhmadDoctor · (714) 887-0400
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJune 7, 20264 updates tracked since enumeration
NPPES CertifiedJune 7, 2026
✔ NPI 1457458630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · G86094
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.
14120 BEACH BLVD, Westminster, CA 92683
Open in Google Maps ↗

Other Names 2

Doing Business AsComprehensive Pulmonary Medical Group
Former Legal Business NameDavid N Pham Md, Inc.

Other Identifiers 1

Medicaid00G860940CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David N. Pham, Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to David N. Pham, MD, Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Gurdeep Singh, M.D.
General Practice
NPI 1205405529
14120 BEACH BLVD STE 101
Westminster, CA 92683
(714) 887-0500
✔ PECOS✔ Accepts MedicareSame address
Kareem Ahmad, M.D.
Internal Medicine
NPI 1215220942
14120 BEACH BLVD STE 101
Westminster, CA 92683
(949) 795-6022
✔ PECOS✔ Accepts MedicareSame address
David Pham, MD
Pulmonary Disease
NPI 1043401698
14120 BEACH BLVD 101
Westminster, CA 92683
(714) 887-0400
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 David N. Pham, MD, Inc's NPI number?

The NPI number for David N. Pham, MD, Inc is 1457458630. It was assigned to this organization in the NPPES registry on September 20, 2006. The provider is doing business as Comprehensive Pulmonary Medical Group. The provider was formerly known as David N Pham MD, Inc..

Where is David N. Pham, MD, Inc located?

David N. Pham, MD, Inc is located at 14120 Beach Blvd Suite 101, Westminster, CA 92683. The listed phone number is (714) 887-0400.

What is David N. Pham, MD, Inc's specialty?

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

Is David N. Pham, MD, Inc enrolled in Medicare?

Yes. David N. Pham, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David N. Pham, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to David N. Pham, MD, Inc, in General Practice, Internal Medicine and Pulmonary Disease. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for David N. Pham, MD, Inc was last updated on June 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.