Donald Osmack
Family Nurse Practitioner · Barnhart, MO
Donald Osmack is a family nurse practitioner with a practice address in Barnhart, Missouri, and NPI 1376889410, issued on Dec 18, 2012. Check the license (Missouri 2012032344, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Donald Osmack
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2012032344 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1718 Catlin Dr, Barnhart, MO 63012
- Phone
- (866) 825-3227
- Enumerated
- Dec 18, 2012
- Record last updated
- Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130221000153); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 1718 Catlin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ail, RPHPharmacist1851676217
- Katherine Brust, PHARMDPharmacist1467736058
- Daniel Fischer, PHARM.D.Pharmacist1215214143
- Mark FoxPharmacist1356625941
- Lindsay HallPharmacist1336761014
- Debra Hine, APRNFamily Nurse Practitioner1689972556
Verify Donald Osmack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2012032344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average family nurse practitioner in 2024
628 Medicare Part D claims for 458 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Doxycycline Hyclate135 claims
- Amoxicillin-Clavulanate Potass109 claims
- Methylprednisolone81 claims
- Nitrofurantoin Mono-Macro55 claims
- Prednisone44 claims
- Cephalexin33 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.
The MIPS final score for 2023 (Medicare payment program): 89.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Physicians OF St Lukes LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Osmack among 5,226 family nurse practitioner records in Missouri
Donald Osmack is one of 5,226 family nurse practitioner 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 2012, is newer than 23% of them.
- NPI issued2012 · 23% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2018 among the 3,339 with a school on file
- Record last updated2012 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X 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 nurse practitioner records list a practice address in Barnhart
They are 2 of the 28 NPPES records with a practice address in Barnhart, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Barnhart → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Debra Hine, APRNBarnhart, MO 630121689972556
- Lauren BequetteBallwin, MO 630111154276699
- Michelle Brooks, FNP-BCBallwin, MO 630111861225666
- Mareesha Carter, FNP-CBallwin, MO 630111285463133
- Ann CribbinBallwin, MO 630111215529870
- Heather DrakeManchester, MO 630111790608115
- Shelby Epperson, FNPBallwin, MO 630111194392647
- Natalie Hanalei, FNP-CBallwin, MO 630111760215214
Common questions
What is Donald Osmack's NPI number?
Donald Osmack's National Provider Identifier (NPI) is 1376889410, issued on Dec 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Donald Osmack located?
The NPPES record lists a practice address at 1718 Catlin Dr, Barnhart, MO, 63012. Phone: (866) 825-3227. Providers update this record themselves, so call before visiting.
How can I verify Donald Osmack's license?
NPPES lists Missouri license number 2012032344, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Donald Osmack prescribe under Medicare Part D?
In 2024, Donald Osmack had 628 Medicare Part D claims for 458 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Donald Osmack's MIPS final score?
The 2023 MIPS final score is 89.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.