HAI HOANG NGUYEN MD INC
NPI 1093856270
Family Medicine in San Jose, CA

Q: What is Hai Hoang Nguyen MD Inc's NPI number?

The NPI number for Hai Hoang Nguyen MD Inc is 1093856270. It was assigned to this organization in the NPPES registry on February 9, 2007.

Q: What is Hai Hoang Nguyen MD Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since February 09, 2007CLIA 05D0607189 · Microscopy

210 N JACKSON AVE, SUITE 20, SAN JOSE, CA 95116(408) 251-6127(408) 251-8990 Get Directions Write a Review

NPPES record last updated: November 14, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Hai Hoang Nguyen Md Inc NPPES

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

HAI HOANG NGUYEN MD INC (NPI 1093856270) is a healthcare organization registered as a family medicine in San Jose, California and active in the NPI registry since February 2007. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Hai Hoang Nguyen, Owner, as its authorized official.

NPPES Registry Identity

NPI1093856270

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameHAI HOANG NGUYEN MD INC

Location Address210 N JACKSON AVE, SUITE 20San Jose, CA 95116-1621

Mailing Address210 N Jackson Ave, Suite 20San Jose, CA 95116-1621 · (408) 251-6127 · Fax (408) 251-8990

Phone(408) 251-6127

Fax(408) 251-8990

Organization SubpartNo

Authorized OfficialHai Hoang NguyenOwner · (408) 251-6127

Enumeration DateFebruary 9, 2007

Last NPPES UpdateNovember 14, 2007

✔ NPI 1093856270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A344680

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

210 N JACKSON AVE, San Jose, CA 95116

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Other Identifiers 1

Medicare PINZZZ26354ZCA

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hai Hoang Nguyen Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20100429000553Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Hai Hoang Nguyen MD Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Hai Nguyen, M.D.

Family Practice

NPI 1326079997

210 N JACKSON AVE SUITE 20
San Jose, CA 95116

(408) 251-6127

✔ PECOS✔ Accepts MedicareSame address

Vu Nguyen, D.O.

Family Practice

NPI 1225063290

210 N JACKSON AVE SUITE 20
San Jose, CA 95116

(408) 251-6127

✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0607189

Hai Hoang Nguyen MD · San Jose, CA

Active · expires Aug 31, 2028

CLIA Number05D0607189

Laboratory TypePhysician Office

Certificate Effective DateSeptember 1, 2026

Certificate Expiration DateAugust 31, 2028

Laboratory DirectorHai H. Nguyen

Laboratory Phone(408) 292-7017

Laboratory LocationHai Hoang Nguyen MD210 N Jackson Avenue Suite 20, San Jose, CA 95116

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Hai Hoang Nguyen MD Inc's NPI number?

The NPI number for Hai Hoang Nguyen MD Inc is 1093856270. It was assigned to this organization in the NPPES registry on February 9, 2007.

Where is Hai Hoang Nguyen MD Inc located?

Hai Hoang Nguyen MD Inc is located at 210 N Jackson Ave Suite 20, San Jose, CA 95116. The listed phone number is (408) 251-6127.

What is Hai Hoang Nguyen MD Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Hai Hoang Nguyen MD Inc enrolled in Medicare?

Yes. Hai Hoang Nguyen MD Inc is registered in the Medicare PECOS enrollment system.

When is Hai Hoang Nguyen MD Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Hai Hoang Nguyen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Family Practice, reassign their Medicare billing to Hai Hoang Nguyen 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hai Hoang Nguyen MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0607189) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hai Hoang Nguyen MD Inc was last updated on November 14, 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.