DR. ISIL UZUN SMITH MD
NPI 1609305945
Internal Medicine in Boston, MA
About Dr. Isil Uzun Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISIL UZUN SMITH MD (NPI 1609305945) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (271709) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Isil Uzun Smith Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Isil Smith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DORCHESTER, MA 02124
DORCHESTER CENTER, MA 02124
DORCHESTER CENTER, MA 02124
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 Isil Smith's NPI number?
The NPI number for Isil Smith is 1609305945. It was assigned to this individual provider in the NPPES registry on June 9, 2017.
Where is Isil Smith located?
Isil Smith practices at 2100 Dorchester Ave, Boston, MA 02124. The listed phone number is (312) 459-0893.
What is Isil Smith's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Isil Smith enrolled in Medicare?
Yes. Isil Smith is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Isil Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isil Smith reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). The 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 Isil Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Isil Smith was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Isil Uzun Smith, MD · NPI 1609305945
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 9, 2017.
## Identity
- **NPI:** 1609305945 (Entity type: Individual)
- **Enumerated:** June 9, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 271709 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2100 DORCHESTER AVE, Boston, MA 02124-5615
- **Phone:** (312) 459-0893
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1609305945) · Data from the CMS NPPES public registry.