Mary Isom, PA-C
Physician Assistant · Wahpeton, ND
Mary Isom, PA-C is a physician assistant with a practice address in Wahpeton, North Dakota, and NPI 1336599083, issued on Jun 14, 2016. Check the license with the North Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Isom
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 332 2ND Ave N, Wahpeton, ND 58075
- Phone
- (701) 642-7000
- Enumerated
- Jun 14, 2016
- Record last updated
- Jun 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160915002316); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 464 in North Dakota → Look up another NPI →
Also registered at 332 2ND Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lisa Braun, PA-CMedical Physician Assistant1720075666
- Heather Brekke, PA-C, ATCPhysician Assistant1447765797
- Sean Core, PA-CPhysician Assistant1528793270
Verify Mary Isom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average physician assistant in 2024
3,021 Medicare Part D claims for 404 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium212 claims
- Metformin Hcl123 claims
- Lisinopril118 claims
- Levothyroxine Sodium113 claims
- Gabapentin104 claims
- Losartan Potassium101 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.
One hospital affiliation
- Sanford Medical Center FargoWest Fargo, ND · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Isom among 464 physician assistant records in North Dakota
Mary Isom, PA-C is one of 464 physician assistant records with a practice address in North Dakota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 53% of them.
- NPI issued2016 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2015 · median 2017 among the 343 with a school on file
- Record last updated2016 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 physician assistant records list a practice address in Wahpeton
They are 8 of the 191 NPPES records with a practice address in Wahpeton, and 464 physician assistant records in North Dakota.
All 464 in North Dakota → Every provider in Wahpeton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Megan Biegler, PA-CWahpeton, ND 580751447906870
- Alex Boreen, PA-CWahpeton, ND 580751700512399
- Heather Brekke, PA-C, ATCWahpeton, ND 580751447765797
- Brian Cooper, PAWahpeton, ND 580751053563957
- Sean Core, PA-CWahpeton, ND 580751528793270
- Anna Enderle, PA-CWahpeton, ND 580751033966544
- Erin Jirak, PA-CWahpeton, ND 580751386303246
- Judy Anderson, PA-CValley City, ND 580721073825089
Common questions
What is Mary Isom, PA-C's NPI number?
Mary Isom, PA-C's National Provider Identifier (NPI) is 1336599083, issued on Jun 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Isom, PA-C located?
The NPPES record lists a practice address at 332 2ND Ave N, Wahpeton, ND, 58075. Phone: (701) 642-7000. Providers update this record themselves, so call before visiting.
How can I verify Mary Isom, PA-C's license?
Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Isom, PA-C prescribe under Medicare Part D?
In 2024, Mary Isom, PA-C had 3,021 Medicare Part D claims for 404 beneficiaries; the average among physician assistant prescribers was 830. 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.