DR. GREGORY G. GAAR M.D.
NPI 1235154592
Pediatrics in Tampa, FL

Active since July 13, 2006PECOS Enrolled
2 COLUMBIA DR, TAMPA, FL 33606(813) 844-7100 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gregory G. Gaar M.d. NPPES

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

DR. GREGORY G. GAAR M.D. (NPI 1235154592) is an individual pediatrics provider in Tampa, Florida, licensed in Florida (ME48484) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235154592
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. GREGORY G. GAARCredential: M.D.
Location Address2 COLUMBIA DRTampa, FL 33606-3508
Mailing Address14050 Nw 14th St, Suite 190Sunrise, FL 33323-2865 · (800) 424-3672 · Fax (954) 377-3042
Sole ProprietorNo
Enumeration DateJuly 13, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1235154592 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in FL · ME48484
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric Emergency MedicineTaxonomy 2080P0204X · License ME48484 (FL)
2 COLUMBIA DR, Tampa, FL 33606

Other Identifiers 2

Other02211FL · Blue Shield
OtherP00010877FL · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory G. Gaar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Gregory Gaar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Medicine
5352 LINTON BLVD
Delray Beach, FL 33484
  • Reassigned Medicare billing, Florida enrollment
  • 527 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33606 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Emergency Medicine
2 COLUMBIA DR, J402
TAMPA, FL 33606
Emergency Medicine
2 COLUMBIA DR
TAMPA, FL 33606
Anesthesiology
2 COLUMBIA DR, SUITE: A-327
TAMPA, FL 33606
Anesthesiology
2 COLUMBIA DR, SUITE A327
TAMPA, FL 33606
Internal Medicine (Nephrology)
2 COLUMBIA DR, ROOM J402
TAMPA, FL 33606
Anesthesiology
2 COLUMBIA DR, SUITE: A-327
TAMPA, FL 33606
Nurse Anesthetist, Certified Registered
2 COLUMBIA DR, SUITE A327
TAMPA, FL 33606
Nurse Anesthetist, Certified Registered
2 COLUMBIA DR, SUITE A327
TAMPA, FL 33606

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 Gregory Gaar's NPI number?

The NPI number for Gregory Gaar is 1235154592. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Gregory Gaar located?

Gregory Gaar practices at 2 Columbia Dr, Tampa, FL 33606. The listed phone number is (813) 844-7100.

What is Gregory Gaar's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Gregory Gaar enrolled in Medicare?

Yes. Gregory Gaar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Gaar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Gaar reassigns Medicare benefits to Inphynet Contracting Services LLC (Delray Beach, FL). The 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 Gregory Gaar'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 Gregory Gaar was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.