CLARA S.P. CHAN, MD, PC
NPI 1144557240
Internal Medicine - Hematology & Oncology in Silver Spring, MD
About Clara S.p. Chan, Md, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLARA S.P. CHAN, MD, PC (NPI 1144557240) is a healthcare organization registered as a hematology & oncology in Silver Spring, Maryland and active in the NPI registry since November 2009. The organization lists Clara S Chan, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clara S.p. Chan, Md, Pc 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 Clara S.P. Chan, MD, PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Silver Spring, MD 20902
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 Clara S.P. Chan, MD, PC's NPI number?
The NPI number for Clara S.P. Chan, MD, PC is 1144557240. It was assigned to this organization in the NPPES registry on November 10, 2009.
Where is Clara S.P. Chan, MD, PC located?
Clara S.P. Chan, MD, PC is located at 9801 Georgia Ave Suite 337, Silver Spring, MD 20902. The listed phone number is (301) 681-4600.
What is Clara S.P. Chan, MD, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Clara S.P. Chan, MD, PC enrolled in Medicare?
Yes. Clara S.P. Chan, MD, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Clara S.P. Chan, MD, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hematology/Oncology) reassigns their Medicare billing to Clara S.P. Chan, MD, PC. 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 Clara S.P. Chan, MD, PC was last updated on November 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Clara S.p. Chan, Md, Pc · NPI 1144557240
Hematology & Oncology organization in Silver Spring, Maryland. Organization record, active in the CMS NPPES registry since November 10, 2009.
## Identity
- **NPI:** 1144557240 (Entity type: Organization)
- **Enumerated:** November 10, 2009
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Clara Chan, PHYSICIAN
## Practice location
- **Address:** 9801 GEORGIA AVE, SUITE 337, Silver Spring, MD 20902-5276
- **Phone:** (301) 681-4600 · **Fax:** (301) 681-4648
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Hematology/Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 10, 2009
- **Other identifiers:** Other 0004140133; Other 830006377; Other 3601884; and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1144557240) · Data from the CMS NPPES public registry.