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DR. NATHAN ASHER MD
NPI 1972243608
Internal Medicine in Aventura, FL

Active since March 30, 2022PECOS EnrolledAccepts Medicare Assignment
20900 BISCAYNE BLVD, AVENTURA, FL 33180(305) 682-7000 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 12, 2025, Sep 20, 2025, Jul 1, 2025 (3 updates tracked since 2025).

About Dr. Nathan Asher Md NPPES

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

DR. NATHAN ASHER MD (NPI 1972243608) is an individual internal medicine provider in Aventura, Florida, licensed in Florida (ME172925) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Aventura Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1972243608
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NATHAN ASHERCredential: MD
Location Address20900 BISCAYNE BLVDAventura, FL 33180-1407
Mailing Address20900 Biscayne BlvdAventura, FL 33180-1407 · (305) 682-7000
Phone(305) 682-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 30, 2022
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1972243608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME172925
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License ME172925 (FL)
20900 BISCAYNE BLVD, Aventura, FL 33180
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and more.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. Nathan Asher 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.

PECOS PAC ID547770117
PECOS Enrollment IDI20250611003807
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

3

Medicare enrollment records show Nathan Asher reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospital Medicine Services Of Fl, LLC
Same address
Hospitalist
20900 BISCAYNE BLVD
Aventura, FL 33180
  • Reassigned Medicare billing, Florida enrollment
  • 861 clinicians in this Medicare group
NPI 1710684857 (305) 682-7000
Aventura Healthcare Specialists, LLC
0.1 mi
Hematology & Oncology
20950 NE 27TH CT, SUITE 300
Aventura, FL 33180
  • Reassigned Medicare billing, Florida enrollment
  • 33 clinicians in this Medicare group
NPI 1528203114 (786) 428-0303
Asherov Medical PLLC
1.7 mi
Internal Medicine
18117 BISCAYNE BLVD
Aventura, FL 33160
  • Reassigned Medicare billing, Florida enrollment
NPI 1700757556 (717) 716-7107

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 2

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

Hca Florida Aventura Hospital

Acute Care Hospitals · Aventura, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100131
Location20900 Biscayne BlvdAventura, FL 33180 · Miami-Dade County
Emergency services

Westside Regional Medical Center

Acute Care Hospitals · Plantation, FL
3/5 CMS rating
OwnershipProprietary
CMS Certification Number100228
Location8201 W Broward BlvdPlantation, FL 33324 · Broward County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33180 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
$141.56 typical visit price
range $60.92 – $187.05
Typical copayment $35.39 (range $15.23 – $46.76)
Most-billed visit code 99204
Established Patient
$107.17 typical visit price
range $18.99 – $150.24
Typical copayment $26.79 (range $4.74 – $37.56)
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 20

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

PRERNA SUBODH SHARMA
Internal Medicine (Critical Care Medicine)
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (615) 519-8685
MINA ADEL AYAD MD
Internal Medicine (Gastroenterology)
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 682-7000
HARMAN PREET KAUR DO
Emergency Medicine
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 692-3392
MRS. CARRIE A SCHAUER PT
Physical Therapist
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 937-5802
DALINA PADRON MD
Anesthesiology
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 682-7000
JOSE MARIO ENRIQUE ACOSTA-RULLAN
Student in an Organized Health Care Education/Training Program
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 682-7000
JESSE FRIEDLANDER SIMON
Student in an Organized Health Care Education/Training Program
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 692-3325
MAX BRESSLER
Student in an Organized Health Care Education/Training Program
20900 BISCAYNE BLVD
AVENTURA, FL 33180
Miami-Dade County (305) 692-3325

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 Nathan Asher's NPI number?

The NPI number for Nathan Asher is 1972243608. It was assigned to this individual provider in the NPPES registry on March 30, 2022.

Where is Nathan Asher located?

Nathan Asher practices at 20900 Biscayne Blvd, Aventura, FL 33180. The listed phone number is (305) 682-7000.

What is Nathan Asher's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nathan Asher enrolled in Medicare?

Yes. Nathan Asher 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 Nathan Asher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Asher reassigns Medicare benefits to 3 organizations: Hospital Medicine Services Of Fl, LLC (Aventura, FL), Aventura Healthcare Specialists, LLC (Aventura, FL) and Asherov Medical PLLC (Aventura, 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 Nathan Asher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Asher accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Maintenance Organization of Florida and Wellpoint list Nathan Asher 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 Nathan Asher affiliated with any hospitals?

According to CMS data, Nathan Asher is affiliated with Hca Florida Aventura Hospital and Westside Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Nathan Asher was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.