NPPES file of Aug 9, 2026

Craig P. Assenmacher, MD

Orthopaedic Surgery Physician · Oregon, OH

Craig P. Assenmacher, MD is an orthopaedic surgery physician with a practice address in Oregon, Ohio, and NPI 1477615292, issued on Dec 15, 2006. Check the license (Ohio 35.090706, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477615292
Name
Craig P. Assenmacher
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
35.090706 OH
Self-reported in NPPES; status is on the state search
Practice location
2751 Bay Park Dr, Oregon, OH 43616
Phone
(419) 690-8811
Enumerated
Dec 15, 2006
Record last updated
Nov 3, 2023
Fax
(419) 697-6750
Medicare enrollment
Enrolled (PECOS I20130124000374); accepts Medicare assignment
Medical or professional school
Medical College Of Ohio, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2751 Bay Park Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dennis Assenmacher, M.D.Orthopaedic Surgery Physician1154323384
  2. Joseph Assenmacher, M.D.Orthopaedic Surgery Physician1760484026
  3. Danielle Barrow, M.D.Obstetrics & Gynecology Physician1811930290
  4. Brenda Brien, CNPFamily Nurse Practitioner1598762502
  5. Ziya Celik, MDSurgery Physician1275530164
  6. John Credico, M.D.Obstetrics Physician1023002938

Verify Craig P. Assenmacher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.090706
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% more Medicare Part D claims than the average orthopaedic surgery physician in 2024

433 Medicare Part D claims for 250 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 200 claims were for opioids.

  1. Craig Assenmacher433
  2. Specialty average346

Most prescribed

  1. Meloxicam184 claims
  2. Oxycodone-Acetaminophen173 claims
  3. Tramadol Hcl12 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: $1,451.31

23 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Craig Assenmacher$1,451
  2. Specialty average$23,023

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

  1. Promedica Central PhysiciansToledo, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Craig P. Assenmacher among 921 orthopaedic surgery physician records in Ohio

Craig P. Assenmacher, MD is one of 921 orthopaedic surgery physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 21% of them.

  • NPI issued2006 · 21% of these records are older, 46% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2005 · median 2004 among the 579 with a school on file
  • Record last updated2023 · 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 207X00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 orthopaedic surgery physician records list a practice address in Oregon

They are 8 of the 519 NPPES records with a practice address in Oregon, and 921 orthopaedic surgery physician records in Ohio.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Joseph Assenmacher, M.D.Oregon, OH 436161760484026
  2. Dennis Assenmacher, M.D.Oregon, OH 436161154323384
  3. Benjamin Assenmacher, M.D.Oregon, OH 436161386930717
  4. Leonard Buck, MDOregon, OH 436161184626525
  5. Enesi Momoh, MDOregon, OH 436161669681797
  6. Bradley Morse, M.D.Oregon, OH 436161639194749
  7. Jae Yim, DOOregon, OH 436161841752045
  8. Karl Beer, M.D.Toledo, OH 436151568577153

Common questions

What is Craig P. Assenmacher, MD's NPI number?

Craig P. Assenmacher, MD's National Provider Identifier (NPI) is 1477615292, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Craig P. Assenmacher, MD located?

The NPPES record lists a practice address at 2751 Bay Park Dr, Oregon, OH, 43616. Phone: (419) 690-8811. Providers update this record themselves, so call before visiting.

How can I verify Craig P. Assenmacher, MD's license?

NPPES lists Ohio license number 35.090706, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Craig P. Assenmacher, MD prescribe under Medicare Part D?

In 2024, Craig P. Assenmacher, MD had 433 Medicare Part D claims for 250 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.