EVELYN E. LI, M.D., A PROFESSIONAL CORPORATION
NPI 1598898330
Internal Medicine - Cardiovascular Disease in Hayward, CA
About Evelyn E. Li, M.d., A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EVELYN E. LI, M.D., A PROFESSIONAL CORPORATION (NPI 1598898330) is a healthcare organization registered as a cardiovascular disease in Hayward, California and active in the NPI registry since March 2007. The organization lists Evelyn Evans Li, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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)
Evelyn E. Li, M.d., A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
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 Evelyn E. Li, M.D., A Professional Corporation, 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 Evelyn E. Li, M.D., A Professional Corporation's NPI number?
The NPI number for Evelyn E. Li, M.D., A Professional Corporation is 1598898330. It was assigned to this organization in the NPPES registry on March 13, 2007.
Where is Evelyn E. Li, M.D., A Professional Corporation located?
Evelyn E. Li, M.D., A Professional Corporation is located at 27206 Calaroga Ave Suite 120, Hayward, CA 94545. The listed phone number is (510) 770-1300.
What is Evelyn E. Li, M.D., A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Evelyn E. Li, M.D., A Professional Corporation enrolled in Medicare?
Yes. Evelyn E. Li, M.D., A Professional Corporation is registered in the Medicare PECOS enrollment system.
When is Evelyn E. Li, M.D., A Professional Corporation'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 March 31, 2027. 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 Evelyn E. Li, M.D., A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Evelyn E. Li, M.D., 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 Evelyn E. Li, M.D., A Professional Corporation was last updated on June 4, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Evelyn E. Li, M.d., A Professional Corporation · NPI 1598898330
Cardiovascular Disease organization in Hayward, California. Organization record, active in the CMS NPPES registry since March 13, 2007.
## Identity
- **NPI:** 1598898330 (Entity type: Organization)
- **Enumerated:** March 13, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** Evelyn Li, PRESIDENT
## Practice location
- **Address:** 27206 CALAROGA AVE, SUITE 120, Hayward, CA 94545-4300
- **Phone:** (510) 770-1300 · **Fax:** (510) 770-9570
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Cardiovascular Disease (Cardiology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 4, 2012
- **Other identifiers:** Medicare ID-Type Unspecified 00G486600 (CA); Medicaid 00G486600 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1598898330) · Data from the CMS NPPES public registry.