MARGARET ANNE COSMAR
NPI 1790453967
Nurse Practitioner - Adult Health in Deerfield Beach, FL

Active since September 02, 2021PECOS EnrolledAccepts Medicare Assignment
3313 W HILLSBORO BLVD STE 100, DEERFIELD BEACH, FL 33442(561) 955-4600(833) 625-1609 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 1, 2024, Jul 25, 2022 (2 updates tracked since 2022).

About Margaret Anne Cosmar NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET ANNE COSMAR (NPI 1790453967) is an individual adult health provider in Deerfield Beach, Florida, licensed in Florida (APRN11015196) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1790453967
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMARGARET ANNE COSMAR
Location Address3313 W HILLSBORO BLVD STE 100Deerfield Beach, FL 33442-9423
Mailing Address1001 Nw 13th St Ste 201Boca Raton, FL 33486-2269 · (561) 955-6663 · Fax (561) 955-2879
Fax(833) 625-1609
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 2, 2021
Last NPPES UpdateOctober 20, 20252 updates tracked since enumeration
NPPES CertifiedOctober 20, 2025
✔ NPI 1790453967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in FL · APRN11015196
3313 W HILLSBORO BLVD STE 100, Deerfield Beach, FL 33442

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

Margaret Anne Cosmar 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.

PECOS PAC ID3971996711
PECOS Enrollment IDI20220131001738
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Margaret Cosmar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oral and Maxillofacial Surgery
916 SW 15 STREET
Deerfield Beach, FL 33441
  • Reassigned Medicare billing, Florida enrollment
  • 252 clinicians in this Medicare group
Internal Medicine
800 MEADOWS RD
Boca Raton, FL 33486
  • Reassigned Medicare billing, Florida enrollment
  • 174 clinicians in this Medicare group
Critical Care Medicine
5352 LINTON BOULEVARD
Delray Beach, FL 33484
  • Reassigned Medicare billing, Florida enrollment
  • 33 clinicians in this Medicare group
Hospitalist
21644 STATE ROAD 7
Boca Raton, FL 33428
  • Reassigned Medicare billing, Florida enrollment
  • 516 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.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Holy Cross Hospital

Acute Care Hospitals · Fort Lauderdale, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100073
Location4725 N Federal HwyFort Lauderdale, FL 33308 · Broward County
Emergency services

Boca Raton Regional Hospital

Acute Care Hospitals · Boca Raton, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100168
Location800 Meadows RdBoca Raton, FL 33486 · Palm Beach County
Emergency services Birthing friendly

Delray Medical Center

Acute Care Hospitals · Delray Beach, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100258
Location5352 Linton BlvdDelray Beach, FL 33484 · Palm Beach County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33442 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.69 typical visit price
range $58.56 – $179.05
Typical copayment $22.92 (range $14.64 – $44.76)
Most-billed visit code 99203
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
3313 W HILLSBORO BLVD STE 100
DEERFIELD BEACH, FL 33442
Psychiatry & Neurology (Neurology)
3313 W HILLSBORO BLVD STE 100
DEERFIELD BEACH, FL 33442
Clinic/Center (Urgent Care)
3313 W HILLSBORO BLVD STE 100
DEERFIELD BCH, FL 33442

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 Margaret Cosmar's NPI number?

The NPI number for Margaret Cosmar is 1790453967. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Where is Margaret Cosmar located?

Margaret Cosmar practices at 3313 W Hillsboro Blvd Ste 100, Deerfield Beach, FL 33442. The listed phone number is (561) 955-4600.

What is Margaret Cosmar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Margaret Cosmar enrolled in Medicare?

Yes. Margaret Cosmar 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 Margaret Cosmar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Cosmar reassigns Medicare benefits to 4 organizations: North Broward Hospital District (Deerfield Beach, FL), Bocacare Inc (Boca Raton, FL), Genesis Critical Care Associates, LLC (Delray Beach, FL) and Florida Hospital Medicine Services, LLC. (Boca Raton, FL). 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 Margaret Cosmar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Cosmar accept?

Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Margaret Cosmar 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 Margaret Cosmar affiliated with any hospitals?

According to CMS data, Margaret Cosmar is affiliated with Holy Cross Hospital, Boca Raton Regional Hospital and Delray Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret Cosmar was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.