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S D HENRY MD INC
NPI 1649558040
Internal Medicine in Pasadena, CA

Active since August 02, 2011
2319 E WASHINGTON BLVD STE 2, PASADENA, CA 91104(626) 797-8800(626) 797-8575 Get Directions Write a Review

NPPES record last updated: August 2, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About S D Henry Md Inc NPPES

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

S D HENRY MD INC (NPI 1649558040) is a healthcare organization registered as an internal medicine in Pasadena, California and active in the NPI registry since August 2011. The organization lists Greg Nicoll, Administrator, as its authorized official.

NPPES Registry Identity

NPI1649558040
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameS D HENRY MD INC
Location Address2319 E WASHINGTON BLVD STE 2Pasadena, CA 91104-1945
Mailing Address2319 E Washington Blvd Ste 2Pasadena, CA 91104-1945 · (626) 797-8800 · Fax (626) 797-8575
Phone(626) 797-8800
Fax(626) 797-8575
Organization SubpartNo
Authorized OfficialGreg NicollAdministrator · (626) 797-8800
Enumeration DateAugust 2, 2011
✔ NPI 1649558040 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.
2319 E WASHINGTON BLVD STE 2, Pasadena, CA 91104
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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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

S D Henry 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 IDO20110804000209Non-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 1 clinician reassigns Medicare billing to S D Henry MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Stephen Henry, M.D.
Internal Medicine
NPI 1811925183
2319 E WASHINGTON BLVD SUITE 2
Pasadena, CA 91104
(626) 797-8800
✔ 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 S D Henry MD Inc's NPI number?

The NPI number for S D Henry MD Inc is 1649558040. It was assigned to this organization in the NPPES registry on August 2, 2011.

Where is S D Henry MD Inc located?

S D Henry MD Inc is located at 2319 E Washington Blvd Ste 2, Pasadena, CA 91104. The listed phone number is (626) 797-8800.

What is S D Henry MD Inc's specialty?

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

Is S D Henry MD Inc enrolled in Medicare?

Yes. S D Henry MD Inc is registered in the Medicare PECOS enrollment system.

When is S D Henry 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 S D Henry MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to S D Henry 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 S D Henry MD Inc was last updated on August 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.