Erin Barnum, PA-C
Medical Physician Assistant · Cadillac, MI
Erin Barnum, PA-C is a medical physician assistant with a practice address in Cadillac, Michigan, and NPI 1275147423, issued on Sep 4, 2020. Check the license (Michigan 5601011001, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Barnum
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 5601011001 MI
Self-reported in NPPES; status is on the state search - Practice location
- 302 Hobart St, Cadillac, MI 49601
- Phone
- (231) 876-2644
- Enumerated
- Sep 4, 2020
- Record last updated
- Mar 7, 2022
- Fax
- (231) 876-5106
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,140 in Michigan → Look up another NPI →
Also registered at 302 Hobart St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacob Ballard, MSN, APRN, FNP-CFamily Nurse Practitioner1558993667
- Alan Grillo, M.D.Family Medicine Physician1528098498
- Emily Mueller, PA-CPhysician Assistant1891467825
- Amy Popa, MSN-FNPFamily Nurse Practitioner1164128807
- Sarah Smoes, PAPhysician Assistant1356437263
Verify Erin Barnum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601011001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average medical physician assistant in 2024
191 Medicare Part D claims for 141 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Cephalexin31 claims
- Prednisone21 claims
- Ondansetron Odt19 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.
Erin Barnum among 1,140 medical physician assistant records in Michigan
Erin Barnum, PA-C is one of 1,140 medical physician assistant records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Michigan
There are 1,140 medical physician assistant records in Michigan.
All 1,140 in Michigan → Every provider in Cadillac → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Holly Paris, PACadillac, MI 496011568541944
- Annalise Pline, PA-CCadillac, MI 496011598418386
- Matthew Hays, PA-CBenzonia, MI 496161316936081
- Betsy Krchmar, PA-CEvart, MI 496311811323918
- Mark Eichenlaub, PAFrankfort, MI 496351952320368
- Eric Covert, PA-CKalkaska, MI 496461902320732
- Jason Hicks, PCCKalkaska, MI 496461215931720
- Amanda Casten, PAGrand Rapids, MI 495481669642955
Common questions
What is Erin Barnum, PA-C's NPI number?
Erin Barnum, PA-C's National Provider Identifier (NPI) is 1275147423, issued on Sep 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Erin Barnum, PA-C located?
The NPPES record lists a practice address at 302 Hobart St, Cadillac, MI, 49601. Phone: (231) 876-2644. Providers update this record themselves, so call before visiting.
How can I verify Erin Barnum, PA-C's license?
NPPES lists Michigan license number 5601011001, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Barnum, PA-C prescribe under Medicare Part D?
In 2024, Erin Barnum, PA-C had 191 Medicare Part D claims for 141 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.