Dr. John M. Zempel, MD
- Part D claims, 2024
- 307
- Publications
- 55
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- One Childrens Place, Saint Louis, MO 63110
- Practice phone
- Call (314) 454-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zempel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John M. Zempel is an epilepsy physician in Saint Louis, Missouri
Dr. Zempel practices at St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Zempel's NPI, 1356368856, was assigned on July 17, 2006. Dr. Zempel graduated from WashU Medicine in 1995. Dr. Zempel holds Missouri license 2000151573.
- NPI
- 1356368856NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042399362
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 454-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Zempel practices at 2 locations in Saint Louis, Missouri
Dr. Zempel's primary practice is St. Louis Children's Hospital, at One Childrens Place, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 454-6000. Dr. Zempel also practices at St Louis Childrens Hospital, 1 Childrens Pl, Saint Louis, MO 63110.
- St. Louis Children's HospitalPrimaryOne Childrens Place, Saint Louis, MO 63110 · St. Louis CityPhone(314) 454-6000
- St Louis Childrens Hospital1 Childrens Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 454-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John M. Zempel is affiliated with 1 site of care and 1 medical group
Dr. Zempel's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John M. Zempel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zempel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Louis Children's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John M. Zempel is one of 21 epilepsy physicians in Missouri
Epilepsy is Dr. Zempel's primary specialty in the NPI Registry, under taxonomy code 2084E0001X. Dr. Zempel is board certified in epilepsy by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Zempel's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Epilepsy, MissouriPrimary
- Illinois license
Clinical focus
Dmand AI lists epilepsy among the conditions Dr. Zempel treats.
Epilepsy physicians near Dr. Zempel
Counts of epilepsy physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John M. Zempel's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Zempel's median patient age at 13, with 39% women.
Dr. Zempel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. John M. Zempel wrote 307 Medicare Part D claims in 2024
In 2024, Dr. Zempel wrote 307 Medicare Part D claims for 12 patients. 85% of them were for generic drugs. CMS names the drug for 249 of them, across 12 drugs with 11 or more claims each, at $277,365 in total drug cost. In 2023, CMS named 169 claims across 9 drugs.
Dr. Zempel's Part D claims by kind of drug, 2024
- Generic262 claims85%
- Brand-name31 claims10%
- Other14 claims5%
Dr. Zempel's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1692024: 24947%
Drugs named by CMS: 12 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John M. Zempel scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Zempel for performance year 2024, reported as part of a group. Dr. Zempel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zempel's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John M. Zempel has 55 publications on record
Dmand AI links 55 papers to Dr. Zempel, published from 2007 to 2025. 2019 was the busiest year, with 4. The most frequent topics are Electroencephalography, Magnetic Resonance Imaging and Seizures. Dr. Zempel has published most often in J Clin Neurophysiol. Dr. Zempel's most frequent co-authors are Terrie E. Inder, MD, Matthew D. Smyth, MD and Stuart Ramm Tomko, MD.
Dr. Zempel's papers by year, 2015 to 2025
Topics Dr. Zempel writes about most
- Electroencephalography
- Magnetic Resonance Imaging
- Seizures
- Brain
- Brain Mapping
- Epilepsy
- Hypoxia-Ischemia, Brain
- Hypothermia, Induced
Dr. Zempel's most frequent co-authors
- Terrie E. Inder, MD9 shared papers
- Matthew D. Smyth, MD8 shared papers
- Stuart Ramm Tomko, MD7 shared papers
Recent publications by Dr. Zempel
J Neurosurg Pediatr
J Clin Neurophysiol
J Clin Neurophysiol
See who Dr. Zempel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zempel works with, so you can find a warm path to the right epilepsy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John M. Zempel graduated from WashU Medicine
Dr. Zempel graduated from WashU Medicine in 1995.
- Medical school
- Board certified in epilepsy
- Board certified in neurology with special qualification in child neurology
Source: Dmand AI Professional Profile Data
Dr. John M. Zempel accepts plans from 16 insurance carriers
Dr. Zempel is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +8 more carriersWith a free account
Plan types Dr. Zempel accepts, by number of carriers
- PPO10
- HMO7
- Medicare7
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John M. Zempel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John M. Zempel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John M. Zempel's NPI number?
Dr. John M. Zempel's NPI number is 1356368856. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Zempel?
Dr. John M. Zempel is an epilepsy physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Epilepsy Physician (taxonomy code 2084E0001X).
Where does Dr. John M. Zempel practice?
Dr. Zempel practices at One Childrens Place, Saint Louis, MO 63110. Dr. Zempel also practices at 1 Childrens Pl, Saint Louis, MO 63110. Dr. Zempel's primary practice is St. Louis Children's Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. John M. Zempel's office phone number?
The practice phone on file for Dr. Zempel is (314) 454-6000.
What is Dr. John M. Zempel's medical license number?
Dr. Zempel holds Missouri license 2000151573, one of the licenses on file in 2 states.
Which states has Dr. John M. Zempel been licensed in?
Dmand AI has state licenses on file for Dr. Zempel in Missouri (2000 to 2026) and Illinois (2020 to 2026).
Which hospitals is Dr. John M. Zempel affiliated with?
Dr. Zempel practices at St. Louis Children's Hospital in Saint Louis, Missouri.
What medical group is Dr. John M. Zempel part of?
Dr. Zempel is linked to WashU Medicine Psychiatry.
Does Dr. John M. Zempel accept Medicare?
Yes. CMS lists Dr. Zempel as accepting Medicare assignment.
What is Dr. John M. Zempel's MIPS score?
Dr. Zempel's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
Is Dr. John M. Zempel board certified?
Yes. Dr. Zempel is board certified in epilepsy by the American Board of Psychiatry and Neurology.
Where did Dr. John M. Zempel go to medical school?
Dr. Zempel graduated from WashU Medicine in 1995.
What drugs does Dr. John M. Zempel prescribe most?
In 2024 Medicare Part D data, Dr. Zempel's most prescribed drugs by claims were Topiramate, Divalproex Sodium ER and Clobazam.
How long has Dr. John M. Zempel been practicing?
Dr. Zempel graduated from medical school in 1995, 31 years ago.
Does Dr. John M. Zempel do research?
Dmand AI links 55 publications to Dr. Zempel, published from 2007 to 2025.
Who does Dr. John M. Zempel publish with?
Dr. Zempel's most frequent co-authors are Terrie E. Inder, MD (9 shared papers), Matthew D. Smyth, MD (8 shared papers) and Stuart Ramm Tomko, MD (7 shared papers).
What insurance does Dr. John M. Zempel accept?
Dr. Zempel is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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