John Frenz, M.D.
NPI 1356568588 · Neurological Surgery Physician · Jackson, MS
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Frenz, M.D. is a Neurological Surgery Physician provider in Jackson, MS (NPI 1356568588).
Provider details
- NPI number
- 1356568588
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19263 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 39 |
| Apixabanbrand: Eliquis | 21 |
| Memantine Hcl | 17 |
| Losartan Potassium | 16 |
| Escitalopram Oxalate | 16 |
| Pantoprazole Sodium | 15 |
| Tamsulosin Hcl | 14 |
| Metoprolol Succinate | 14 |
| Famotidine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2016-05-04
Frequently asked questions
- What is John Frenz's NPI number?
- John Frenz's National Provider Identifier (NPI) is 1356568588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Frenz's specialty?
- John Frenz is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Frenz located?
- John Frenz's practice location on file with NPPES is 13 Northtown Dr, Jackson, MS 39211-3047.
- What is John Frenz's phone number?
- The practice phone number listed in the NPPES registry for John Frenz is (601) 625-7840.
- Does John Frenz accept Medicare?
- John Frenz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Frenz's NPI active?
- Yes — John Frenz's NPI (1356568588) is active in the NPPES registry as of the last update on 2016-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.