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
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).
Physician Assistant providers in Ohio
There are 5,325 physician assistant records in Ohio.
Other physician assistant records in Ohio
- Ali Abady, PA-CWesterville, OH1790268795
- Kristin Abbruzzi, PAColumbus, OH1548228018
- Nadia Abdallah, PA-CElyria, OH1669839874
- Sarah Abdallah, PA-CCenterville, OH1730446162
- Muhammad AbdelhameedToledo, OH1346104668
- Tony Abdulkarim, PA-CCleveland, OH1750772711
- Krislyn Aberegg, PA-CCleveland, OH1093233082
- Jennie Abernathy, PACleveland, OH1255003398
- Bethany Abernethy, PACincinnati, OH1235566548
- Molly Abourezk, PA-CCincinnati, OH1306330006
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.