Mark Walter Thiemann, P.A.C.
Surgical Physician Assistant · Cincinnati, OH
Mark Walter Thiemann, P.A.C. is a surgical physician assistant with a practice address in Cincinnati, Ohio, and NPI 1386634046, issued on Oct 25, 2005. Check the license (Ohio 50-00-0882, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Walter Thiemann
- Credential
- P.A.C.
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 50-00-0882 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3301 Mercy Health Blvd Ste 450, Cincinnati, OH 45211
- Phone
- (513) 347-9999
- Enumerated
- Oct 25, 2005
- Record last updated
- Aug 19, 2024
- Fax
- (513) 215-9397
- Medicaid ID
- 0077577 OH
- Medicare enrollment
- Enrolled (PECOS I20071008000426); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 395 in Ohio → Look up another NPI →
Also registered at 3301 Mercy Health Blvd Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Chen, M.D.Orthopaedic Surgery Physician1043428212
- Bradley King, M.D.Orthopaedic Surgery Physician1215357033
- Erin Molz, PA-CPhysician Assistant1689007023
Verify Mark Walter Thiemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 50-00-0882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average surgical physician assistant in 2024
291 Medicare Part D claims for 161 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 105 claims were for opioids.
Most prescribed
- Meloxicam46 claims
- Tramadol Hcl46 claims
- Methylprednisolone31 claims
- Tizanidine Hcl30 claims
- Prednisone23 claims
- Oxycodone Hcl22 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: $1,646.98
5 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 7,578 providers of this specialty with any payment received $703.95 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
- Mercy Health Physicians Cincinnati Specialty Care LLCMilford, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Walter Thiemann among 395 surgical physician assistant records in Ohio
Mark Walter Thiemann, P.A.C. is one of 395 surgical physician assistant records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1993 · median 2012 among the 290 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Ohio
There are 395 surgical physician assistant records in Ohio.
All 395 in Ohio → Every provider in Cincinnati → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Sarah Buchert, P.A.C.Cincinnati, OH 452111760472435
- Katherine Walters, PACincinnati, OH 452091699071787
- Meghan Hamilton, PA-CCincinnati, OH 452191659709855
- Erinn Meece, PA-CCincinnati, OH 452191275822447
- Lindsay Pollock, PA-CCincinnati, OH 452191295796837
- Mary Powell, PA-CCincinnati, OH 452191265493803
- Nicholas Rittle, PA-CCincinnati, OH 452191487173506
- Monica Sedmak, PACincinnati, OH 452191023066594
Common questions
What is Mark Walter Thiemann, P.A.C.'s NPI number?
Mark Walter Thiemann, P.A.C.'s National Provider Identifier (NPI) is 1386634046, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Walter Thiemann, P.A.C. located?
The NPPES record lists a practice address at 3301 Mercy Health Blvd Ste 450, Cincinnati, OH, 45211. Phone: (513) 347-9999. Providers update this record themselves, so call before visiting.
How can I verify Mark Walter Thiemann, P.A.C.'s license?
NPPES lists Ohio license number 50-00-0882, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Walter Thiemann, P.A.C. prescribe under Medicare Part D?
In 2024, Mark Walter Thiemann, P.A.C. had 291 Medicare Part D claims for 161 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.