Isaac J. Mattis
Family Medicine Physician · Stanberry, MO
Isaac J. Mattis is a family medicine physician with a practice address in Stanberry, Missouri, and NPI 1972235166, issued on Jun 27, 2022. Check the license (Missouri 2025032839, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Isaac J. Mattis
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2025032839 MO
2864 NE
Self-reported in NPPES; status is on the state search - Practice location
- 202 E Main St, Stanberry, MO 64489
- Phone
- (660) 783-2192
- Enumerated
- Jun 27, 2022
- Record last updated
- Aug 14, 2025
- Fax
- (660) 783-2616
- Medicare enrollment
- Enrolled (PECOS I20250821002876); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 202 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Dias, D.O.Family Medicine Physician1497998744
- Amy DonovanFamily Nurse Practitioner1215809793
- Callie Hunter, CNPFamily Nurse Practitioner1932579737
- Stacey Karns, P.A.Medical Physician Assistant1093743643
Verify Isaac J. Mattis 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 2025032839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family medicine physician in 2024
1,136 Medicare Part D claims for 86 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium109 claims
- Lisinopril59 claims
- Omeprazole50 claims
- Tamsulosin Hcl41 claims
- Amlodipine Besylate36 claims
- Gabapentin30 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.
Industry payments in 2024: $16.67
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Jefferson Community Health Center IncFairbury, NE
- Northwest Medical Center Association IncAlbany, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac J. Mattis among 2,991 family medicine physician records in Missouri
Isaac J. Mattis is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2006 among the 1,778 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in Stanberry
They are 2 of the 12 NPPES records with a practice address in Stanberry, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Stanberry → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Katie Dias, D.O.Stanberry, MO 644891497998744
- Duana Meseyton, DOTrimble, MO 644921457594921
- Richard Burke, M.D.Rock Port, MO 644821245237817
- Jane Bell, M.D.Plattsburg, MO 644771861488678
- Harold Turley, M.D.Plattsburg, MO 644771992791701
- Francisco Aleman, MDSaint Joseph, MO 645041356618177
- David Cathcart, DOSaint Joseph, MO 645041427151695
- Karl Grant, D.O.Saint Joseph, MO 645041336571900
Common questions
What is Isaac J. Mattis's NPI number?
Isaac J. Mattis's National Provider Identifier (NPI) is 1972235166, issued on Jun 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Isaac J. Mattis located?
The NPPES record lists a practice address at 202 E Main St, Stanberry, MO, 64489. Phone: (660) 783-2192. Providers update this record themselves, so call before visiting.
How can I verify Isaac J. Mattis's license?
NPPES lists Missouri license number 2025032839, 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 Isaac J. Mattis prescribe under Medicare Part D?
In 2024, Isaac J. Mattis had 1,136 Medicare Part D claims for 86 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.