KENNETH H CHANG MD A MEDICAL CORP
NPI 1447530076
Internal Medicine in San Francisco, CA
About Kenneth H Chang Md A Medical Corp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KENNETH H CHANG MD A MEDICAL CORP (NPI 1447530076) is a healthcare organization registered as an internal medicine in San Francisco, California and active in the NPI registry since August 2011. The organization lists Kenneth H Chang, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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)
Kenneth H Chang Md A Medical Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 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.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Kenneth H Chang MD A Medical Corp, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Kenneth H Chang MD A Medical Corp's NPI number?
The NPI number for Kenneth H Chang MD A Medical Corp is 1447530076. It was assigned to this organization in the NPPES registry on August 26, 2011.
Where is Kenneth H Chang MD A Medical Corp located?
Kenneth H Chang MD A Medical Corp is located at 728 Pacific Ave Suite 402, San Francisco, CA 94133. The listed phone number is (415) 421-4525.
What is Kenneth H Chang MD A Medical Corp's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Kenneth H Chang MD A Medical Corp enrolled in Medicare?
Yes. Kenneth H Chang MD A Medical Corp is registered in the Medicare PECOS enrollment system.
When is Kenneth H Chang MD A Medical Corp'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 December 31, 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 Kenneth H Chang MD A Medical Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Kenneth H Chang MD A Medical Corp. 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 Kenneth H Chang MD A Medical Corp was last updated on October 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Kenneth H Chang Md A Medical Corp · NPI 1447530076
Internal Medicine organization in San Francisco, California. Organization record, active in the CMS NPPES registry since August 26, 2011.
## Identity
- **NPI:** 1447530076 (Entity type: Organization)
- **Enumerated:** August 26, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Kenneth Chang, OWNER
## Practice location
- **Address:** 728 PACIFIC AVE, SUITE 402, San Francisco, CA 94133-4457
- **Phone:** (415) 421-4525 · **Fax:** (415) 421-4527
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 26, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1447530076) · Data from the CMS NPPES public registry.