Karen Michelle Hemmer, PA-C
Physician Assistant · Port Clinton, OH
Karen Michelle Hemmer, PA-C is a physician assistant with a practice address in Port Clinton, Ohio, and NPI 1144461047, issued on Mar 23, 2009. Check the license with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Michelle Hemmer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 611 Fulton St Ste A, Port Clinton, OH 43452
- Phone
- (419) 734-0699
- Enumerated
- Mar 23, 2009
- Record last updated
- Sep 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (419) 734-0320
- Medicare enrollment
- Enrolled (PECOS I20090519000357); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 5,325 in Ohio → Look up another NPI →
Verify Karen Michelle Hemmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio 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
6.2 times the Medicare Part D claims of the average physician assistant in 2024
5,112 Medicare Part D claims for 650 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 479 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen269 claims
- Atorvastatin Calcium227 claims
- Omeprazole145 claims
- Tramadol Hcl137 claims
- Alprazolam131 claims
- Amlodipine Besylate117 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: $2,098.30
124 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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 one group practice
- Northern Ohio Medical Specialists, LLCClyde, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Michelle Hemmer among 5,325 physician assistant records in Ohio
Karen Michelle Hemmer, PA-C is one of 5,325 physician assistant records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 19% of them.
- NPI issued2009 · 19% of these records are older, 79% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2008 · median 2019 among the 3,621 with a school on file
- Record last updated2018 · 37% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Ohio
There are 5,325 physician assistant records in Ohio.
All 5,325 in Ohio → Every provider in Port Clinton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sean Newbill, PA-CPort Clinton, OH 434521245564137
- Brandon Oneail, PA-CWalbridge, OH 434651184273658
- Kimberly Bushrow, PA-CWoodville, OH 434691154319820
- Andrea Hayes, PA-CFremont, OH 434201306964564
- Alyssa KromerFremont, OH 434201578922134
- Matthew Nienberg, PAFremont, OH 434201063661189
- Benjamin NetryCurtice, OH 434121043134505
- Sharon Gentry, PACBowling Green, OH 434021073513966
Common questions
What is Karen Michelle Hemmer, PA-C's NPI number?
Karen Michelle Hemmer, PA-C's National Provider Identifier (NPI) is 1144461047, issued on Mar 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karen Michelle Hemmer, PA-C located?
The NPPES record lists a practice address at 611 Fulton St Ste A, Port Clinton, OH, 43452. Phone: (419) 734-0699. Providers update this record themselves, so call before visiting.
How can I verify Karen Michelle Hemmer, PA-C's license?
Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Michelle Hemmer, PA-C prescribe under Medicare Part D?
In 2024, Karen Michelle Hemmer, PA-C had 5,112 Medicare Part D claims for 650 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.