John Allen Frenz, M.D.
Neurological Surgery Physician · Jackson, MS
John Allen Frenz, M.D. is a neurological surgery physician with a practice address in Jackson, Mississippi, and NPI 1356568588, issued on Apr 19, 2007. Check the license (Mississippi 19263, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Allen Frenz
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 19263 MS
Self-reported in NPPES; status is on the state search - Practice location
- 13 Northtown Dr, Jackson, MS 39211
- Phone
- (601) 625-7840
- Enumerated
- Apr 19, 2007
- Record last updated
- May 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (769) 257-6347
- Medicaid ID
- 00015161 MS
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 62 in Mississippi → Look up another NPI →
Also registered at 13 Northtown Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katy Anderson, COTA/LOccupational Therapy Assistant1881887792
- Elizabeth Atchley, RPTPhysical Therapist1194918078
- Loren Blackwell, CCC-SLPSpeech-Language Pathologist1790978690
- Kasey Boyd, LPTAPhysical Therapy Assistant1457544397
Verify John Allen Frenz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 19263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average neurological surgery physician in 2024
525 Medicare Part D claims for 47 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 13 claims were for opioids.
Most prescribed
- Levothyroxine Sodium39 claims
- Eliquis21 claims
- Memantine Hcl17 claims
- Escitalopram Oxalate16 claims
- Losartan Potassium16 claims
- Pantoprazole Sodium15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Allen Frenz among 62 neurological surgery physician records in Mississippi
John Allen Frenz, M.D. is one of 62 neurological surgery physician records with a practice address in Mississippi. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 44% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Mississippi
There are 62 neurological surgery physician records in Mississippi.
All 62 in Mississippi → Every provider in Jackson → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Muhammad Chohan, M.D.Jackson, MS 392161427220128
- Domenic Esposito, M.D.Jackson, MS 392161578510962
- William Hanigan, MDJackson, MS 392161396864450
- Haynes Harkey, M.D.Jackson, MS 392161609823939
- Paul Kerr, M.D.Jackson, MS 392161518197151
- John Lancon, M.D.Jackson, MS 392161013008242
- Gustavo Luzardo, MDJackson, MS 392161972706927
- Andrew Parent, M.D.Jackson, MS 392161043267719
Common questions
What is John Allen Frenz, M.D.'s NPI number?
John Allen Frenz, M.D.'s National Provider Identifier (NPI) is 1356568588, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Allen Frenz, M.D. located?
The NPPES record lists a practice address at 13 Northtown Dr, Jackson, MS, 39211. Phone: (601) 625-7840. Providers update this record themselves, so call before visiting.
How can I verify John Allen Frenz, M.D.'s license?
NPPES lists Mississippi license number 19263, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Allen Frenz, M.D. prescribe under Medicare Part D?
In 2024, John Allen Frenz, M.D. had 525 Medicare Part D claims for 47 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.