Dr. John Charles Mace, MD
- Medicare services, 2024
- 444
- Medicare patients, 2024
- 244
- Part D claims, 2024
- 218
- Hospital affiliations
- 2
- Industry payments
- $229
- Practice address
- 1423 N Jefferson Ave, Springfield, MO 65802
- Practice phone
- Call (417) 269-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cox North Hospital
Springfield, Missouri
Find Dr. Mace'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 Charles Mace is a neurosurgeon in Springfield, Missouri
Dr. Mace practices at Cox North Hospital in Springfield, Missouri.
Dr. Mace's NPI, 1114971264, was assigned on May 22, 2006. Dr. Mace graduated from University of Missouri, Columbia School of Medicine in 1993. Dr. Mace holds Missouri license 118061.
- NPI
- 1114971264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072564236
- NPI enumeration date
- May 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (417) 269-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Charles Mace practices at Cox North Hospital in Springfield, Missouri
Dr. Mace's primary practice is Cox North Hospital, at 1423 N Jefferson Ave, Springfield, MO 65802 in Greene County. The practice phone is (417) 269-6000.
- Cox North Hospital1423 N Jefferson Ave, Springfield, MO 65802 · Greene CountyPhone(417) 269-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Charles Mace is affiliated with 3 sites of care and 4 medical groups
Dr. Mace's primary practice is Cox North Hospital in Springfield, Missouri. Dr. Mace is also affiliated with Cox Medical Center South. The medical group on file is Northwest Arkansas Neuroscience Institute. Dmand AI also links Dr. Mace to 1 more hospital and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Charles Mace's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mace practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cox North Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Charles Mace is one of 173 neurosurgeons in Missouri
Neurological surgery is Dr. Mace's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Mace's licenses on file in 2 states: Missouri and Arkansas.
Specialties and state licenses
- Neurological surgery, MissouriPrimary
- Arkansas license
Neurosurgeons near Dr. Mace
Counts of neurosurgeons 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 Charles Mace billed Medicare for 444 services in 2024
CMS data shows 444 Medicare services from Dr. Mace across 15 procedure codes in 2024, for 244 Medicare patients. Medicare paid $97,724 for them.
Dr. Mace's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2932024: 2737%
- Surgery
- 2023: 1242024: 17138%
Where Dr. Mace's Medicare services took place, 2024
- In an office23252%
- In a facility21248%
Dr. Mace compared with the Missouri median for neurosurgeons, 2024
- Dr. Mace
- Missouri median
- Medicare services
- 444vs 2132.1 times
- Medicare patients
- 244vs 16251% above
- Part D claims
- 171vs 9286% above
Medians across 162 neurosurgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Mace's most billed Medicare procedure codes, 2024
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. Mace?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mace and other neurosurgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Charles Mace treated 244 Medicare patients in 2024, average age 74
CMS counts 244 Medicare patients who saw Dr. Mace in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mace's median patient age at 71, with 53% women.
Dr. Mace's Medicare patients by age, 2024
Dr. Mace's Medicare patients by sex, 2024
- Women12752%
- Men11748%
Chronic conditions among Dr. Mace's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders35%
- Anxiety34%
- Depression34%
- Diabetes30%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mace's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Charles Mace wrote 218 Medicare Part D claims in 2024
In 2024, Dr. Mace wrote 218 Medicare Part D claims for 94 patients. 100% of them were for generic drugs. CMS names the drug for 171 of them, across 7 drugs with 11 or more claims each, at $1,300 in total drug cost. In 2023, CMS named 209 claims across 8 drugs.
Dr. Mace'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.
Drug classes CMS tracks in Dr. Mace's Part D claims, 2024
- Opioids43%94 of 218 claims
- Antibiotics6%13 of 218 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2092024: 17118%
Drugs named by CMS: 7 in 2024, 8 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 Charles Mace ranks in the 88th percentile for spinal fusion in Medicare
Dr. Mace accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mace as offering telehealth. CMS counts 178 procedures of spinal fusion by Dr. Mace, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Mace ranks in Medicare procedure volume
- Spinal fusion
- 88th percentile178 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 60th percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Charles Mace received $229 in industry payments from 2017 to 2025
CMS Open Payments shows 9 general payments to Dr. Mace from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $84.
General payments to Dr. Mace by program year, 2017 to 2025
Companies that paid Dr. Mace the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Charles Mace graduated from University of Missouri, Columbia School of Medicine
Dr. Mace graduated from University of Missouri, Columbia School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Charles Mace'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (CMS) (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 |
| 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 Charles Mace
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 Charles Mace's NPI number?
Dr. John Charles Mace's NPI number is 1114971264. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Charles Mace?
Dr. John Charles Mace is a neurosurgeon in Springfield, Missouri. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. John Charles Mace practice?
Dr. Mace practices at 1423 N Jefferson Ave, Springfield, MO 65802. Dr. Mace's primary practice is Cox North Hospital in Springfield, Missouri. Dmand AI also links Dr. Mace to 1 hospital and 3 medical groups.
What is Dr. John Charles Mace's office phone number?
The practice phone on file for Dr. Mace is (417) 269-6000.
What is Dr. John Charles Mace's medical license number?
Dr. Mace holds Missouri license 118061, one of the licenses on file in 2 states.
Which states has Dr. John Charles Mace been licensed in?
Dmand AI has state licenses on file for Dr. Mace in Missouri and Arkansas.
Which hospitals is Dr. John Charles Mace affiliated with?
Dr. Mace is affiliated with Cox Medical Center South. Dmand AI links Dr. Mace to 1 more hospital.
What medical group is Dr. John Charles Mace part of?
Dr. Mace is linked to Northwest Arkansas Neuroscience Institute. Dmand AI links Dr. Mace to 3 more medical groups.
Does Dr. John Charles Mace accept Medicare?
Yes. CMS data shows Dr. Mace billed Medicare for 444 services in 2024, and Dr. Mace accepts Medicare assignment.
Does Dr. John Charles Mace offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mace as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. John Charles Mace see?
CMS counts 244 Medicare patients who saw Dr. Mace in 2024, with an average age of 74.
What services does Dr. John Charles Mace bill to Medicare?
In 2024, Dr. Mace's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and surgery: bones and joints (22853).
Where did Dr. John Charles Mace go to medical school?
Dr. Mace graduated from University of Missouri, Columbia School of Medicine in 1993.
What drugs does Dr. John Charles Mace prescribe most?
In 2024 Medicare Part D data, Dr. Mace's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Gabapentin.
Has Dr. John Charles Mace received payments from drug or device companies?
CMS Open Payments shows $229 in general payments to Dr. Mace from 5 companies from 2017 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. John Charles Mace been practicing?
Dr. Mace graduated from medical school in 1993, 33 years ago.
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