John Louis Heafner, MD
Family Medicine Physician · Arnold, MO
John Louis Heafner, MD is a family medicine physician with a practice address in Arnold, Missouri, and NPI 1255821906, issued on May 17, 2018. Check the license (Missouri 2021017152, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- John Louis Heafner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2021017152 MO
Self-reported in NPPES; status is on the state search - Practice location
- 148 Richardson Xing, Arnold, MO 63010
- Phone
- (844) 853-8937
- Enumerated
- May 17, 2018
- Record last updated
- May 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20210721001873); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2014
- Entity
- Type 1 · individual
Also registered at 148 Richardson Xing
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Collins, PHDPsychologist1386449395
- Shannon Macgregor, M.D.Pediatrics Physician1043662109
- Kristi Misch, FNPFamily Nurse Practitioner1740001650
- Yamiles Rodriguez-Correa, PHDClinical Psychologist1962245563
Verify John Louis Heafner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2021017152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average family medicine physician in 2024
3,379 Medicare Part D claims for 313 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 123 claims were for opioids.
Most prescribed
- Amlodipine Besylate154 claims
- Atorvastatin Calcium141 claims
- Metformin Hcl91 claims
- Gabapentin89 claims
- Omeprazole89 claims
- Lisinopril82 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.
Bills Medicare through one group practice
- Compass Health IncClinton, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
17 family medicine physician records list a practice address in Arnold
They are 17 of the 665 NPPES records with a practice address in Arnold, and 2,991 family medicine physician records in Missouri.
All 17 in Arnold → All 2,991 in Missouri → Every provider in Arnold →
Other family medicine physician records in Missouri
- Mohammad Abbas, DOKirksville, MO1518537679
- Brandon Abbott, D.O.Kansas City, MO1356875702
- Ann Abbott Marin, DOArnold, MO1477132421
- Mohamed Abdalaziz, MDKansas City, MO1538578075
- Karam Abdelmasih, MD, APFestus, MO1093288508
- Afsheen Abdullah Patel, MDLees Summit, MO1598070377
- Christopher Abercrombie, DOArnold, MO1093787558
- Avery Abernathy, D.O.Kansas City, MO1013207836
- Kristia Abernathy, MDSaint Louis, MO1710545405
- Grant Abkemeier, DOColumbia, MO1922933712
Common questions
What is John Louis Heafner, MD's NPI number?
John Louis Heafner, MD's National Provider Identifier (NPI) is 1255821906, issued on May 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Louis Heafner, MD located?
The NPPES record lists a practice address at 148 Richardson Xing, Arnold, MO, 63010. Phone: (844) 853-8937. Providers update this record themselves, so call before visiting.
How can I verify John Louis Heafner, MD's license?
NPPES lists Missouri license number 2021017152, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Louis Heafner, MD prescribe under Medicare Part D?
In 2024, John Louis Heafner, MD had 3,379 Medicare Part D claims for 313 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.