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MICHAEL T DUFFY MD INC A PROFESSIONAL CORPORATION
NPI 1477958122
Internal Medicine in Beverly Hills, CA

Active since October 23, 2014
9400 BRIGHTON WAY, SUITE 300, BEVERLY HILLS, CA 90210(310) 621-4156 Get Directions Write a Review

NPPES record last updated: October 24, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael T Duffy Md Inc A Professional Corporation NPPES

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

MICHAEL T DUFFY MD INC A PROFESSIONAL CORPORATION (NPI 1477958122) is a healthcare organization registered as an internal medicine in Beverly Hills, California and active in the NPI registry since October 2014. The organization lists Michael T Duffy, President, as its authorized official.

NPPES Registry Identity

NPI1477958122
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL T DUFFY MD INC A PROFESSIONAL CORPORATION
Location Address9400 BRIGHTON WAY, SUITE 300Beverly Hills, CA 90210-0001
Mailing Address9400 Brighton Way, Suite 300Beverly Hills, CA 90210-0001 · (310) 621-4156
Phone(310) 621-4156
Organization SubpartNo
Authorized OfficialMichael T DuffyPresident · (310) 621-4156
Enumeration DateOctober 23, 2014
Last NPPES UpdateOctober 24, 2014
✔ NPI 1477958122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
9400 BRIGHTON WAY, Beverly Hills, CA 90210
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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)

Michael T Duffy Md Inc A Professional Corporation 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 Michael T Duffy MD Inc A Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Michael Duffy, M.D.
Internal Medicine
NPI 1689635328
9400 BRIGHTON WAY SUITE 201
Beverly Hills, CA 90210
(310) 271-6229
✔ 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 Michael T Duffy MD Inc A Professional Corporation's NPI number?

The NPI number for Michael T Duffy MD Inc A Professional Corporation is 1477958122. It was assigned to this organization in the NPPES registry on October 23, 2014.

Where is Michael T Duffy MD Inc A Professional Corporation located?

Michael T Duffy MD Inc A Professional Corporation is located at 9400 Brighton Way Suite 300, Beverly Hills, CA 90210. The listed phone number is (310) 621-4156.

What is Michael T Duffy MD Inc A Professional Corporation's specialty?

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

Is Michael T Duffy MD Inc A Professional Corporation enrolled in Medicare?

Yes. Michael T Duffy MD Inc A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael T Duffy MD Inc A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Michael T Duffy MD Inc A Professional Corporation. 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 Michael T Duffy MD Inc A Professional Corporation was last updated on October 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.