DR. ISIK TURKER MD
NPI 1003075763
Internal Medicine - Cardiovascular Disease in Allentown, PA
About Dr. Isik Turker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISIK TURKER MD (NPI 1003075763) is an individual cardiovascular disease provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD462421) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Jacobi Medical Center, and maintains a secondary practice location in Lewisburg.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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. Isik Turker Md 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 Reassignments
8Medicare enrollment records show Isik Turker reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Allentown, PA 18109
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Orwigsburg, PA 17961
- Reassigned Medicare billing, Pennsylvania enrollment
- 953 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Erie, PA 16550
- Reassigned Medicare billing, Pennsylvania enrollment
- 962 clinicians in this Medicare group
Athens, GA 30606
- Reassigned Medicare billing, Georgia enrollment
- 9 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jacobi Medical Center
Acute Care Hospitals · Bronx, NYQueens Hospital Center
Acute Care Hospitals · Jamaica, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYGrand View Health
Acute Care Hospitals · Sellersville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18109 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.
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 Isik Turker's NPI number?
The NPI number for Isik Turker is 1003075763. It was assigned to this individual provider in the NPPES registry on June 6, 2008.
Where is Isik Turker located?
Isik Turker practices at 1110 American Pkwy NE, Allentown, PA 18109. The listed phone number is (317) 748-6721.
What is Isik Turker's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Isik Turker enrolled in Medicare?
Yes. Isik Turker 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 organizations bill Medicare for Isik Turker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isik Turker reassigns Medicare benefits to 8 organizations: St. Luke's Physician Group, Inc. (Allentown, PA), Gslpg, Inc (Orwigsburg, PA), Physician Affiliate Group Of New York PC (New York, NY), Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), University Of Pittsburgh Physicians (Pittsburgh, PA) and 3 more organizations, listed in the Medicare section above. Each 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 Isik Turker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Isik Turker affiliated with any hospitals?
According to CMS data, Isik Turker is affiliated with Jacobi Medical Center, Queens Hospital Center, Westchester Medical Center and Grand View Health.
When was this NPI record last updated?
The NPPES record for Isik Turker was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Isik Turker, MD · NPI 1003075763
Cardiovascular Disease physician in Allentown, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 6, 2008.
## Identity
- **NPI:** 1003075763 (Entity type: Individual)
- **Enumerated:** June 6, 2008
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD462421 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1110 AMERICAN PKWY NE, Allentown, PA 18109-9117
- **Phone:** (317) 748-6721
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): St. Luke's Physician Group, Inc. (NPI 1932696135, Allentown, PA); Gslpg, Inc (NPI 1366006702, Orwigsburg, PA); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); University Of Pittsburgh Physicians (NPI 1407985674, Pittsburgh, PA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** July 8, 2026
- **Other identifiers:** Other MD462421 (PA); Medicaid 200116678 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1003075763) · Data from the CMS NPPES public registry.