DR. JOHN M ZEMPEL MD
NPI 1356368856
Psychiatry & Neurology - Epilepsy
in Saint Louis, MO
About Dr. John M Zempel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN M ZEMPEL MD (NPI 1356368856) is an individual epilepsy provider in Saint Louis, Missouri, licensed in Missouri (2000151573) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John M Zempel Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Zempel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 236 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 John Zempel's NPI number?
The NPI number for John Zempel is 1356368856. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is John Zempel located?
John Zempel practices at 1 Childrens Pl Div Neurology Pediatrics, Ste 2130, Saint Louis, MO 63110. The listed phone number is (314) 454-6120.
What is John Zempel's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.
Is John Zempel enrolled in Medicare?
Yes. John Zempel is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Zempel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zempel reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 John Zempel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Zempel was last updated on April 17, 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.
# Dr. John M Zempel, MD · NPI 1356368856
Epilepsy physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1356368856 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Psychiatry & Neurology - Epilepsy · taxonomy 2084E0001X
- **State license:** 2000151573 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DIV NEUROLOGY PEDIATRICS, STE 2130, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-6120 · **Fax:** (314) 454-4225
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Washington University (NPI 1356382527, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 205845308 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1356368856) · Data from the CMS NPPES public registry.