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DUC H DO MD INC
NPI 1952590820
Internal Medicine in Newport Beach, CA

Active since October 17, 2007
307 PLACENTA AVE, 202, NEWPORT BEACH, CA 92663(949) 574-4114(949) 574-4144 Get Directions Write a Review

NPPES record last updated: November 9, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Duc H Do Md Inc NPPES

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

DUC H DO MD INC (NPI 1952590820) is a healthcare organization registered as an internal medicine in Newport Beach, California and active in the NPI registry since October 2007. The organization lists Duc H Do, President, as its authorized official.

NPPES Registry Identity

NPI1952590820
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDUC H DO MD INC
Location Address307 PLACENTA AVE, 202Newport Beach, CA 92663-0852
Mailing Address307 Placentia Ave, Ste 202Newport Beach, CA 92663-3310 · (949) 574-4114 · Fax (949) 574-4144
Phone(949) 574-4114
Fax(949) 574-4144
Organization SubpartNo
Authorized OfficialDuc H DoPresident · (949) 574-4114
Enumeration DateOctober 17, 2007
Last NPPES UpdateNovember 9, 2007
✔ NPI 1952590820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A70134
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
307 PLACENTA AVE, Newport Beach, CA 92663
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Other Identifiers 1

Medicare UPINH92812

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Duc H Do Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Duc H Do MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Duc Do, M.D.
Endocrinology
NPI 1336136951
355 PLACENTIA AVE STE 207A
Newport Beach, CA 92663
(949) 574-4114
✔ PECOS✔ Accepts Medicare19 mi

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 Duc H Do MD Inc's NPI number?

The NPI number for Duc H Do MD Inc is 1952590820. It was assigned to this organization in the NPPES registry on October 17, 2007.

Where is Duc H Do MD Inc located?

Duc H Do MD Inc is located at 307 Placenta Ave 202, Newport Beach, CA 92663. The listed phone number is (949) 574-4114.

What is Duc H Do MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Duc H Do MD Inc enrolled in Medicare?

Yes. Duc H Do MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Duc H Do MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Duc H Do MD Inc. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Duc H Do MD Inc was last updated on November 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.