DR. DAVID S. A. ESHAK M.D.
NPI 1346536455
Internal Medicine - Critical Care Medicine in Elmhurst, NY
About Dr. David S. A. Eshak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID S. A. ESHAK M.D. (NPI 1346536455) is an individual critical care medicine provider in Elmhurst, New York, licensed in New York (276794) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Sebring, and is a graduate of Other (2010).
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 and accepts Medicare assignment
Dr. David S. A. Eshak 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 Reassignments
2Medicare enrollment records show David Eshak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 836 clinicians in this Medicare group
St. Louis, MO 63141
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Critical Care Services PC
- 6 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 2
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.
Adventhealth Sebring
Acute Care Hospitals · Sebring, FLPhoebe Sumter Medical Center
Acute Care Hospitals · Americus, GAAnmed Health
Acute Care Hospitals · Anderson, SCWinchester Medical Center
Acute Care Hospitals · Winchester, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11373 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.
ELMHURST, NY 11373
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 David Eshak's NPI number?
The NPI number for David Eshak is 1346536455. It was assigned to this individual provider in the NPPES registry on June 27, 2011.
Where is David Eshak located?
David Eshak practices at 7901 Broadway, Elmhurst, NY 11373. The listed phone number is (718) 334-2475.
What is David Eshak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is David Eshak enrolled in Medicare?
Yes. David Eshak 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 David Eshak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Eshak reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (Elmhurst, NY) and Critical Care Services, P.C. (St. Louis, MO). 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 David Eshak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Eshak affiliated with any hospitals?
According to CMS data, David Eshak is affiliated with Adventhealth Sebring, Phoebe Sumter Medical Center, Anmed Health and Winchester Medical Center.
When was this NPI record last updated?
The NPPES record for David Eshak was last updated on November 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. David S. A. Eshak, M.D. · NPI 1346536455
Critical Care Medicine physician in Elmhurst, New York. Individual provider, active in the CMS NPPES registry since June 27, 2011.
## Identity
- **NPI:** 1346536455 (Entity type: Individual)
- **Enumerated:** June 27, 2011
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 276794 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7901 BROADWAY, Elmhurst, NY 11373-1329
- **Phone:** (718) 334-2475
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Icahn School Of Medicine At Mount Sinai (NPI 1063766038, Elmhurst, NY); Critical Care Services, P.C. (NPI 1942256250, St. Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** November 27, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1346536455) · Data from the CMS NPPES public registry.