Dr. John S. Kizer, MD
- Medicare services, 2020
- 908
- Part D claims, 2024
- 43
- Publications
- 39
- Clinical trials
- 1
- Industry payments
- $43
- Practice address
- 1500 Sawmill Rd, Raleigh, NC 27615
- Practice phone
- Call (919) 966-4996
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Kizer'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 S. Kizer is a geriatric medicine (internal medicine) physician in Raleigh, North Carolina
Dr. Kizer practices in Raleigh, North Carolina.
Dr. Kizer's NPI, 1952326233, was assigned on July 13, 2006. Dr. Kizer graduated from Duke University School Of Medicine in 1970. Dr. Kizer holds North Carolina license 16897.
- NPI
- 1952326233NPI Registry (opens in a new tab)
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Practice phone
- (919) 966-4996
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John S. Kizer's practice address is in Raleigh, North Carolina
Dr. Kizer's practice address in the NPI Registry is 1500 Sawmill Rd, Raleigh, NC 27615, in Wake County. The practice phone is (919) 966-4996.
- NPI Registry address1500 Sawmill Rd, Raleigh, NC 27615 · Wake CountyPhone(919) 966-4996
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John S. Kizer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kizer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Kizer's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John S. Kizer is one of 124 geriatric medicine (internal medicine) physicians in North Carolina
Geriatric medicine is Dr. Kizer's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Kizer is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kizer is licensed in North Carolina.
Specialties and state licenses
- Geriatric medicine (internal medicine), North CarolinaPrimary
Geriatric medicine (internal medicine) physicians near Dr. Kizer
Counts of geriatric medicine (internal medicine) 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 S. Kizer billed Medicare for 908 services in 2020
CMS data shows 908 Medicare services from Dr. Kizer across 13 procedure codes in 2020. Medicare paid $47,466 for them.
Dr. Kizer's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 9472020: 66130%
- Other services
- 2019: 02020: 109
- Tests and treatments
- 2019: 02020: 108
- Lab and pathology
- 2019: 02020: 16
- Surgery
- 2019: 02020: 14
Where Dr. Kizer's Medicare services took place, 2020
- In an office82891%
- In a facility809%
Dr. Kizer compared with the North Carolina median for geriatric medicine (internal medicine) physicians, 2020
- Dr. Kizer
- North Carolina median
- Medicare services
- 908vs 3392.7 times
- Part D claims
- 25vs 46895% below
Medians across 128 geriatric medicine (internal medicine) physicians in North Carolina with Dmand AI profiles that report each measure.
Dr. Kizer's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kizer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kizer and other geriatric medicine (internal medicine) physicians in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Kizer's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Kizer's median patient age at 73, with 33% women.
Dr. Kizer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. John S. Kizer wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Kizer wrote 43 Medicare Part D claims for 11 patients. 58% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $735 in total drug cost. In 2021, CMS named 1,372 claims across 41 drugs.
Dr. Kizer's Part D claims by kind of drug, 2024
- Generic25 claims58%
- Brand-name and other18 claims42%
Dr. Kizer's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,3722022: 2598%
Drugs named by CMS: 2 in 2022, 41 in 2021.
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
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Dr. John S. Kizer has 39 publications on record
Dmand AI links 39 papers to Dr. Kizer, published from 2011 to 2020. The most frequent topics are Brain, Hypothalamus and Thyrotropin-Releasing Hormone. Dr. Kizer has published most often in Brain Res. Dr. Kizer's most frequent co-authors are Charles B. Nemeroff, MD, PhD, Kevin J. Biese, MD and Timothy F. Platts-Mills, MD.
Dr. Kizer's papers by year, 2011 to 2020
Topics Dr. Kizer writes about most
- Brain
- Hypothalamus
- Thyrotropin-Releasing Hormone
- Sodium Glutamate
- Median Eminence
- Neurotensin
- Norepinephrine
- Dopamine
Dr. Kizer's most frequent co-authors
- Charles B. Nemeroff, MD, PhD16 shared papers
- Kevin J. Biese, MD2 shared papers
- Timothy F. Platts-Mills, MD2 shared papers
Recent publications by Dr. Kizer
J Am Med Dir Assoc
Proc Natl Acad Sci U S A
See who Dr. Kizer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kizer works with, so you can find a warm path to the right geriatric medicine (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John S. Kizer has worked on 1 clinical trial
Dmand AI links Dr. Kizer to 1 clinical trial. Conditions studied include Emergencies and Disease Attributes.
Conditions in Dr. Kizer's trials
- Emergencies
- Disease Attributes
Recent clinical trials with Dr. Kizer
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. John S. Kizer received $43 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Kizer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $25.
Companies that paid Dr. Kizer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John S. Kizer graduated from Duke University School Of Medicine
Dr. Kizer graduated from Duke University School Of Medicine in 1970.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John S. Kizer accepts plans from 2 insurance carriers
Dr. Kizer is in network with 2 carriers, including Excellus BlueCross BlueShield and NC State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- NC State Medicaid
Plan types Dr. Kizer accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John S. Kizer'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 Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 S. Kizer
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 S. Kizer's NPI number?
Dr. John S. Kizer's NPI number is 1952326233. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Kizer?
Dr. John S. Kizer is a geriatric medicine (internal medicine) physician in Raleigh, North Carolina. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).
Where does Dr. John S. Kizer practice?
Dr. Kizer practices at 1500 Sawmill Rd, Raleigh, NC 27615.
What is Dr. John S. Kizer's office phone number?
The practice phone on file for Dr. Kizer is (919) 966-4996.
What is Dr. John S. Kizer's medical license number?
Dr. Kizer holds North Carolina license 16897.
Does Dr. John S. Kizer accept Medicare?
Yes. CMS data shows Dr. Kizer billed Medicare for 908 services in 2020.
Is Dr. John S. Kizer board certified?
Yes. Dr. Kizer is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John S. Kizer bill to Medicare?
In 2020, Dr. Kizer's most billed Medicare services were office visit, established patient (99214), medicare service (G0008) and vaccine or vaccine administration (90686).
Where did Dr. John S. Kizer go to medical school?
Dr. Kizer graduated from Duke University School Of Medicine in 1970.
What drugs does Dr. John S. Kizer prescribe most?
In 2022 Medicare Part D data, Dr. Kizer's most prescribed drugs by claims were Methimazole and Mirtazapine.
Show 5 more questionsShow fewer questions
Has Dr. John S. Kizer received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Kizer from 2 companies from 2025 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Dr. John S. Kizer been practicing?
Dr. Kizer graduated from medical school in 1970, 56 years ago.
Does Dr. John S. Kizer do research?
Dmand AI links 39 publications to Dr. Kizer, published from 2011 to 2020. Dr. Kizer has worked on 1 clinical trial.
Who does Dr. John S. Kizer publish with?
Dr. Kizer's most frequent co-authors are Charles B. Nemeroff, MD, PhD (16 shared papers), Kevin J. Biese, MD (2 shared papers) and Timothy F. Platts-Mills, MD (2 shared papers).
What insurance does Dr. John S. Kizer accept?
Dr. Kizer is in network with 2 carriers, including Excellus BlueCross BlueShield and NC State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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