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GREGORY V HAHN MD
NPI 1396733341
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in St Petersburg, FL

Active since October 12, 2005PECOS Enrolled
625 6TH AVE S STE 450, ST PETERSBURG, FL 33701(727) 898-2663(727) 568-6836 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 22, 2025, Jun 5, 2023, Aug 9, 2022 and 2 more (5 updates tracked since 2021).

About Gregory V Hahn Md NPPES

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

GREGORY V HAHN MD (NPI 1396733341) is an individual pediatric orthopaedic surgery provider in St Petersburg, Florida, licensed in Florida (ME78419) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1396733341
Entity TypeIndividualMale
Primary Taxonomy207XP3100X
Provider Legal NameGREGORY V HAHNCredential: MD
Location Address625 6TH AVE S STE 450St Petersburg, FL 33701-4629
Mailing Address625 6th Ave S Ste 450St Petersburg, FL 33701-4629 · (727) 898-2663 · Fax (727) 568-6836
Phone(727) 898-2663
Fax(727) 568-6836
Sole ProprietorYes
Enumeration DateOctober 12, 2005
Last NPPES UpdateMay 22, 20255 updates tracked since enumeration
NPPES CertifiedMay 22, 2025
✔ NPI 1396733341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in FL · ME78419
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License ME78419 (FL)
Also ListedOrthopaedic Surgery · Orthopaedic Surgery of the SpineTaxonomy 207XS0117X · License ME78419 (FL)
625 6TH AVE S STE 450, St Petersburg, FL 33701
Open in Google Maps ↗

Secondary Practice Locations 2

Location 18318 Market StLakewood Ranch, FL 34202-5137 · Phone (727) 898-2663 · Fax (727) 568-6836
Location 23440 W Dr Martin Luther King Jr Blvd Ste 200Tampa, FL 33607-6223 · Phone (813) 879-2663 · Fax (813) 872-0286

Other Identifiers 1

Medicaid256641900FL

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), Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory V Hahn Md 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.

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.

CHILDREN'S ORTHOPAEDIC & SCOLIOSIS SURGERY ASSOCIATES, LLP
Durable Medical Equipment & Medical Supplies
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
RYAN G ROSS PA-C
Physician Assistant (Surgical)
625 6TH AVE S STE 450
SAINT PETERSBURG, FL 33701
Pinellas County (727) 898-2663
SELAH BAKER PA-C
Physician Assistant (Surgical)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
RYAN EVERETT FITZGERALD MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
LEE G PHILLIPS MD
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
CHILDREN'S ORTHOPAEDIC & SCOLIOSIS SURGERY ASSOCIATES, LLP
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
STEPHANIE ALDRIDGE PA-C
Physician Assistant (Surgical)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663
MRS. DIANE ROSE BRONKEMA ROT
Specialist/Technologist, Other (Orthopedic Assistant)
625 6TH AVE S STE 450
ST PETERSBURG, FL 33701
Pinellas County (727) 898-2663

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 Hahn's NPI number?

The NPI number for Gregory Hahn is 1396733341. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Gregory Hahn located?

Gregory Hahn practices at 625 6th Ave S Ste 450, St Petersburg, FL 33701. The listed phone number is (727) 898-2663.

What is Gregory Hahn's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Gregory Hahn enrolled in Medicare?

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

What insurance does Gregory Hahn accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Molina Healthcare list Gregory Hahn 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.

When was this NPI record last updated?

The NPPES record for Gregory Hahn was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.