MARGARITA ISAKHAROV M.D.
NPI 1144465873
Emergency Medicine in New Hyde Park, NY
About Margarita Isakharov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARITA ISAKHAROV M.D. (NPI 1144465873) is an individual emergency medicine provider in New Hyde Park, New York, licensed in New York (259725) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, is affiliated with Sarasota Memorial Hospital, and is a graduate of New York Medical College (2008).
NPPES Registry Identity
Specialties & Licenses
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
Margarita Isakharov 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
6Medicare enrollment records show Margarita Isakharov reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middletown, NY 10940
- Reassigned Medicare billing, New York enrollment
- 77 clinicians in this Medicare group
Gloversville, NY 12078
- Reassigned Medicare billing, New York enrollment
- 57 clinicians in this Medicare group
Davenport, FL 33837
- Reassigned Medicare billing, Florida enrollment
- 98 clinicians in this Medicare group
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Lake Wales, FL 33853
- Reassigned Medicare billing, Florida enrollment
- 99 clinicians in this Medicare group
Sarasota, FL 34239
- Reassigned Medicare billing, Florida enrollment
- 112 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sarasota Memorial Hospital
Acute Care Hospitals · Sarasota, FLAdventhealth Heart Of Florida
Acute Care Hospitals · Davenport, FLNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11040 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.
NEW HYDE PARK, NY 11040
NEW HYDE PARK, NY 11040
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 Margarita Isakharov's NPI number?
The NPI number for Margarita Isakharov is 1144465873. It was assigned to this individual provider in the NPPES registry on December 9, 2008.
Where is Margarita Isakharov located?
Margarita Isakharov practices at 27005 76th Ave Emergency Department Administration, New Hyde Park, NY 11040. The listed phone number is (718) 470-7501.
What is Margarita Isakharov's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Margarita Isakharov enrolled in Medicare?
Yes. Margarita Isakharov 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 Margarita Isakharov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margarita Isakharov reassigns Medicare benefits to 6 organizations: Orange Emergency Services PC (Middletown, NY), Gloversville Emergency Medicine Services PC (Gloversville, NY), Ridgewood Emergency Group, LLC (Davenport, FL), Paragon Emergency Services LLC (Winter Haven, FL), Lake Wales Emergency Physicians, LLC (Lake Wales, FL) and 1 more organization, 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 Margarita Isakharov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margarita Isakharov accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Margarita Isakharov 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.
Is Margarita Isakharov affiliated with any hospitals?
According to CMS data, Margarita Isakharov is affiliated with Sarasota Memorial Hospital, Adventhealth Heart Of Florida and North Shore University Hospital.
When was this NPI record last updated?
The NPPES record for Margarita Isakharov was last updated on October 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Margarita Isakharov, M.D. · NPI 1144465873
Emergency Medicine physician in New Hyde Park, New York. Individual provider, active in the CMS NPPES registry since December 9, 2008.
## Identity
- **NPI:** 1144465873 (Entity type: Individual)
- **Enumerated:** December 9, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 259725 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27005 76TH AVE, EMERGENCY DEPARTMENT ADMINISTRATION, New Hyde Park, NY 11040-1402
- **Phone:** (718) 470-7501
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Orange Emergency Services PC (NPI 1043589682, Middletown, NY); Gloversville Emergency Medicine Services PC (NPI 1518205491, Gloversville, NY); Ridgewood Emergency Group, LLC (NPI 1750862694, Davenport, FL); Paragon Emergency Services LLC (NPI 1912101650, Winter Haven, FL); Lake Wales Emergency Physicians, LLC (NPI 1033480405, Lake Wales, FL); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2008
## Record status
- **NPPES last updated:** October 24, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1144465873) · Data from the CMS NPPES public registry.