1. Home
  2. Directory
  3. Georgia
  4. Gainesville
  5. Pediatrics
  6. NPI Profile

KATHERINE SMITH HERZOG MD
NPI 1366603326
Pediatrics in Gainesville, GA

Active since June 23, 2008PECOS Enrolled
725 JESSE JEWELL PKWY SE, GAINESVILLE, GA 30501(770) 535-3611(770) 535-7092 Get Directions Write a Review

NPPES record last updated: April 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 8, 2025, Aug 17, 2023, Jul 8, 2021 and 1 more (4 updates tracked since 2020).

About Katherine Smith Herzog Md NPPES

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

KATHERINE SMITH HERZOG MD (NPI 1366603326) is an individual pediatrics provider in Gainesville, Georgia, licensed in Georgia (071838) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1366603326
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKATHERINE SMITH HERZOGCredential: MD
Location Address725 JESSE JEWELL PKWY SEGainesville, GA 30501-3834
Mailing AddressPo Box 658Gainesville, GA 30503-0658 · (770) 718-1122 · Fax (770) 535-7445
Phone(770) 535-3611
Fax(770) 535-7092
Sole ProprietorNo
Enumeration DateJune 23, 2008
Last NPPES UpdateApril 8, 20254 updates tracked since enumeration
NPPES CertifiedApril 8, 2025
✔ NPI 1366603326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in GA · 071838✔ Licensed in SC · 30892✔ Licensed in FL · ME114990
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.
725 JESSE JEWELL PKWY SE, Gainesville, GA 30501
Open in Google Maps ↗

Other Names 1

Former Name (1)Katherine Leigh Smith Md

Secondary Practice Locations 7

Location 11270 Friendship RdBraselton, GA 30517-5608 · Phone (678) 207-4200 · Fax (770) 533-4771
Location 21400 River PlBraselton, GA 30517-5600 · Phone (770) 535-3611 · Fax (770) 535-7092
Location 34019 Executive DriveOakwood, GA 30566-3433 · Phone (770) 533-6500 · Fax (770) 533-6543
Location 4743 Spring St NEGainesville, GA 30501-3715 · Phone (770) 535-3611 · Fax (770) 535-7092
Location 5155 Professional DrBaldwin, GA 30511-4000 · Phone (706) 776-2368 · Fax (706) 776-2589
Location 64095 S Lee StBuford, GA 30518-3647 · Phone (770) 932-8519 · Fax (770) 533-4798
Location 7675 White Sulphur Rd Ste 260Gainesville, GA 30501-2569 · Phone (770) 535-3611 · Fax (770) 535-7092

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Smith Herzog 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Katherine Herzog reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Longstreet Clinic, PC
Same address
Internal Medicine
725 JESSE JEWELL PKWY SE
Gainesville, GA 30501
  • Reassigned Medicare billing, Georgia enrollment
  • 170 clinicians in this Medicare group
NPI 1326019977 (770) 718-1122
Northeast Georgia Community Physicians LLC
0.1 mi
Internal Medicine
743 SPRING ST NE
Gainesville, GA 30501
  • Reassigned Medicare billing, Georgia enrollment
  • 161 clinicians in this Medicare group
NPI 1881583730 (770) 219-9000

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 30501 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
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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.

THE LONGSTREET CLINIC, PC
Clinical Medical Laboratory
725 JESSE JEWELL PKWY SE, SUITE 260
GAINESVILLE, GA 30501
Hall County (770) 535-0079
EILEEN JAVELLANA MD
Internal Medicine
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (678) 207-4373
MRS. BRANDI NICHELLE MONROE PA
Physician Assistant (Surgical)
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (678) 207-4000
MRS. JEANETTE SUSAN PIRKLE APRN, NP-C
Nurse Practitioner (Family)
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (770) 297-5700
COURTNEY L GRANT M.D.
Surgery (Vascular Surgery)
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (678) 207-4000
MARY HANNAH READ MD
Surgery
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (770) 533-6523
WESLEY AARON ZILA PA-C
Physician Assistant
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (678) 207-4000
NANCY ELLEN JOHNSON MD
Pediatrics
725 JESSE JEWELL PKWY SE
GAINESVILLE, GA 30501
Hall County (770) 535-3611

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 Katherine Herzog's NPI number?

The NPI number for Katherine Herzog is 1366603326. It was assigned to this individual provider in the NPPES registry on June 23, 2008. The provider is also known as Katherine Leigh Smith MD.

Where is Katherine Herzog located?

Katherine Herzog practices at 725 Jesse Jewell Pkwy SE, Gainesville, GA 30501. The listed phone number is (770) 535-3611.

What is Katherine Herzog's specialty?

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

Is Katherine Herzog enrolled in Medicare?

Yes. Katherine Herzog is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katherine Herzog's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Herzog reassigns Medicare benefits to 2 organizations: The Longstreet Clinic, PC (Gainesville, GA) and Northeast Georgia Community Physicians LLC (Gainesville, GA). 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 Katherine Herzog's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Herzog accept?

Health plans from Alliant Health Plans, Inc. list Katherine Herzog 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 Katherine Herzog was last updated on April 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.