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Export Provider Record NPI 1093734949
John L HerzogMD
Active
NPI Number1093734949
NPI TypeNPI-1 Individual
SpecialtyInternal Medicine, Cardiovascular Disease
Provider Details
NPI1093734949
NPI TypeNPI-1 Individual
StatusActive
Enumeration Date2006-07-19
Last Updated2020-08-21
Mailing AddressPo Box 5368
Greenville, MS 38704-5368
United States
Phone: (662) 394-0107 | Fax: (662) 335-7184
📍 View Map
Primary Practice Address1421 E Union St
Greenville, MS 38703-3247
United States
Phone: (662) 335-0183 | Fax: (662) 335-7184
📍 View Map
Other Identifiers
IssuerStateNumberOther Issuer
MEDICAIDMS00123017
Other (non-Medicare)MS060000624medicare
MEDICAIDAR126236001
Taxonomy / Specialty
PrimaryTaxonomy Code & DescriptionStateLicense Number
Yes207RC0000X – Internal Medicine, Cardiovascular DiseaseMS09800
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About NPI 1093734949

John L Herzog MD is a healthcare provider registered in the CMS NPPES NPI Registry with NPI number 1093734949. The primary specialty listed is Internal Medicine, Cardiovascular Disease. The provider is located in Greenville, MS. This NPI is classified as a Type 1 (Individual) NPI and is currently active. The NPI was first enumerated (assigned) on 2006-07-19. All data is sourced directly from the official CMS NPPES public API and is updated daily.

Frequently Asked Questions

What is NPI 1093734949?

NPI 1093734949 belongs to John L Herzog MD, a Internal Medicine, Cardiovascular Disease in Greenville, MS. It is a Type 1 Individual NPI registered in the CMS NPPES NPI Registry.

Is NPI 1093734949 active?

The current status of NPI 1093734949 in the NPPES registry is Active. The record was last updated on 2020-08-21.

What specialty is NPI 1093734949?

NPI 1093734949 is classified under the taxonomy Internal Medicine, Cardiovascular Disease. Taxonomy codes in NPPES are maintained by the National Uniform Claim Committee (NUCC) and identify the provider's type, classification, and specialization.

How do I verify NPI 1093734949?

You can verify NPI 1093734949 at the official CMS NPPES website at npiregistry.cms.hhs.gov or using our free NPI Lookup tool above. All data shown on this page is sourced directly from the official NPPES public API and is updated daily by CMS.

What address is on file for NPI 1093734949?

The primary practice address on file for NPI 1093734949 is 1421 E Union St, Greenville, MS 38703-3247. This address is registered in the NPPES system and providers are required to update it within 30 days of any change.

When was NPI 1093734949 issued?

NPI 1093734949 was first issued (enumerated) on 2006-07-19. The NPPES record was last updated on 2020-08-21.

Practice Location Map

John L Herzog is located at 1421 E Union St, Greenville, MS. Use the map below to find directions or verify the practice location.

📍 1421 E Union St, Greenville, MS 38703-3247  ·  Open in Google Maps ↗

Related Healthcare Providers

The following providers share the same practice location, specialty, or state as John L Herzog. All records sourced from the CMS NPPES registry.

License Information

The following state license numbers are on file in the NPPES registry for NPI 1093734949. For license status verification, contact the relevant state licensing board directly.

Specialty / TaxonomyLicense NumberState
Internal Medicine, Cardiovascular Disease09800MS
Data Verified from CMS NPPES Last synced: 2026-06-24 · Source: npiregistry.cms.hhs.gov · 45 CFR Part 162