DR. CEM SINAN DEMIRCI M.D.
NPI 1619094646
Pediatrics - Pediatric Endocrinology in Farmington, CT
About Dr. Cem Sinan Demirci M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CEM SINAN DEMIRCI M.D. (NPI 1619094646) is an individual pediatric endocrinology provider in Farmington, Connecticut, licensed in Connecticut (048097) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Cem Sinan Demirci M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Cem Demirci reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 601 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 06032 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, CT 06032
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 Cem Demirci's NPI number?
The NPI number for Cem Demirci is 1619094646. It was assigned to this individual provider in the NPPES registry on March 23, 2007.
Where is Cem Demirci located?
Cem Demirci practices at 505 Farmington Ave Fl 2, Farmington, CT 06032. The listed phone number is (860) 837-6700.
What is Cem Demirci's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Cem Demirci enrolled in Medicare?
Yes. Cem Demirci is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Cem Demirci's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cem Demirci reassigns Medicare benefits to Connecticut Children's Specialty Group, Inc. (Hartford, CT). 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 Cem Demirci's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cem Demirci accept?
Health plans from Anthem Blue Cross and Blue Shield list Cem Demirci as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cem Demirci was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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. Cem Sinan Demirci, M.D. · NPI 1619094646
Pediatric Endocrinology physician in Farmington, Connecticut. Individual provider, active in the CMS NPPES registry since March 23, 2007.
## Identity
- **NPI:** 1619094646 (Entity type: Individual)
- **Enumerated:** March 23, 2007
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** 048097 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 FARMINGTON AVE FL 2, Farmington, CT 06032-1901
- **Phone:** (860) 837-6700 · **Fax:** (860) 837-6765
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Connecticut Children's Specialty Group, Inc. (NPI 1669448882, Hartford, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** February 26, 2026
- **Other identifiers:** Other 008004490 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1619094646) · Data from the CMS NPPES public registry.