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LAUREN ASHLEY TZAMTZIS AG-ACNP
NPI 1790444651
Nurse Practitioner - Acute Care in Miami, FL

Active since December 08, 2021PECOS EnrolledAccepts Medicare Assignment
14150 SW 136TH ST, MIAMI, FL 33186(305) 632-1299 Get Directions Write a Review

NPPES record last updated: December 8, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lauren Ashley Tzamtzis Ag-acnp NPPES

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

LAUREN ASHLEY TZAMTZIS AG-ACNP (NPI 1790444651) is an individual acute care provider in Miami, Florida, licensed in Florida (11014882) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1790444651
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameLAUREN ASHLEY TZAMTZISCredential: AG-ACNP
Location Address14150 SW 136TH STMiami, FL 33186-5506
Mailing Address5624 Sw 60th AveSouth Miami, FL 33143-2232 · (305) 632-1299
Phone(305) 632-1299
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 8, 2021
NPPES CertifiedDecember 8, 2021
✔ NPI 1790444651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in FL · 11014882
14150 SW 136TH ST, Miami, FL 33186
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Lauren Ashley Tzamtzis Ag-acnp 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 ID2466849997
PECOS Enrollment IDI20220430000268
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

5

Medicare enrollment records show Lauren Tzamtzis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergent Physicians Of Country Walk, LLC
Same address
Emergency Medicine
14150 SW 136TH ST
Miami, FL 33186
  • Reassigned Medicare billing, Florida enrollment
  • 95 clinicians in this Medicare group
NPI 1114497005 (786) 204-4600
Emergent Physicians Of Palmetto Bay, LLC
5.5 mi
Emergency Medicine
8750 SW 144TH ST STE 100
Palmetto Bay, FL 33176
  • Reassigned Medicare billing, Florida enrollment
  • 82 clinicians in this Medicare group
NPI 1639991912 (786) 595-1850
Emergent Physicians Of West Dade, LLC
7.1 mi
Emergency Medicine
14591 SW 26TH ST
Miami, FL 33175
  • Reassigned Medicare billing, Florida enrollment
  • 82 clinicians in this Medicare group
NPI 1275200537 (786) 595-3400
Emergent Physicians Of Doral, LLC
14 mi
Emergency Medicine
9520 NW 58 ST
Miami, FL 33178
  • Reassigned Medicare billing, Florida enrollment
  • 87 clinicians in this Medicare group
NPI 1245909449 (786) 662-8101
Emergent Physicians Of Miami Lakes, LLC
20 mi
Emergency Medicine
15200 NW 77TH CT
Miami Lakes, FL 33016
  • Reassigned Medicare billing, Florida enrollment
  • 83 clinicians in this Medicare group
NPI 1730901018 (786) 595-1800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33186 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
$96.13 typical visit price
range $60.92 – $187.05
Typical copayment $24.03 (range $15.23 – $46.76)
Most-billed visit code 99203
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 17

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

ABDUL SAMAD MEMON PA-C
Physician Assistant
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600
EMERGENT PHYSICIANS OF COUNTRY WALK, LLC
Emergency Medicine
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600
MICHAEL RONSELLI APRN
Nurse Practitioner (Family)
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600
MR. ROBERT J BERTOT PA-C
Physician Assistant (Medical)
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 888-8820
WILLIAM REID HEERSINK MD
Emergency Medicine
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600
DIEGO F ESTRADA APRN
Nurse Practitioner (Acute Care)
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 301-3260
DR. KRISTINE MASCARINAS D.O.
Emergency Medicine
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600
DR. JENNIFER Y. HWANG DO
Emergency Medicine
14150 SW 136TH ST
MIAMI, FL 33186
Miami-Dade County (786) 204-4600

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 Lauren Tzamtzis's NPI number?

The NPI number for Lauren Tzamtzis is 1790444651. It was assigned to this individual provider in the NPPES registry on December 8, 2021.

Where is Lauren Tzamtzis located?

Lauren Tzamtzis practices at 14150 SW 136th St, Miami, FL 33186. The listed phone number is (305) 632-1299.

What is Lauren Tzamtzis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Lauren Tzamtzis enrolled in Medicare?

Yes. Lauren Tzamtzis 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 Lauren Tzamtzis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Tzamtzis reassigns Medicare benefits to 5 organizations: Emergent Physicians Of Country Walk, LLC (Miami, FL), Emergent Physicians Of Palmetto Bay, LLC (Palmetto Bay, FL), Emergent Physicians Of West Dade, LLC (Miami, FL), Emergent Physicians Of Doral, LLC (Miami, FL) and Emergent Physicians Of Miami Lakes, LLC (Miami Lakes, 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 Lauren Tzamtzis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lauren Tzamtzis was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.