Mark R. Jennings, M.D.
Surgery Physician · Cincinnati, OH
Mark R. Jennings, M.D. is a surgery physician with a practice address in Cincinnati, Ohio, and NPI 1578538955, issued on Feb 21, 2006. Check the license (Ohio 35085981, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark R. Jennings
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 35085981 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Mercy Health Blvd Ste 2010, Cincinnati, OH 45211
- Phone
- (513) 961-4335
- Enumerated
- Feb 21, 2006
- Record last updated
- Sep 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (513) 872-5769
- Medicaid IDs
- 7100056850 KY
200515190A IN
64103476 KY
2580407 OH - Medicare enrollment
- Enrolled (PECOS I20050719000358); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2000
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,249 in Ohio → Look up another NPI →
Also registered at 3300 Mercy Health Blvd Ste 2010
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Cranley, M.D.Vascular Surgery Physician1770558058
- Justin Gibler, M.D.Surgery Physician1467748079
- Laura Lewis, AG-ACNPAcute Care Nurse Practitioner1962018978
- Blake O'Connor, MDSurgery Physician1467958587
- Leslie Strub, RNAcute Care Nurse Practitioner1144515867
Verify Mark R. Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35085981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average surgery physician in 2024
351 Medicare Part D claims for 131 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 127 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen103 claims
- Hydrochlorothiazide49 claims
- Levothyroxine Sodium33 claims
- Amoxicillin-Clavulanate Potass21 claims
- Sertraline Hcl19 claims
- Methotrexate18 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: $19.54
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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 LLCCincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Jennings among 1,249 surgery physician records in Ohio
Mark R. Jennings, M.D. is one of 1,249 surgery physician records with a practice address in Ohio. 73% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 57% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2000 · median 2006 among the 739 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Ohio
There are 1,249 surgery physician records in Ohio.
All 1,249 in Ohio → Every provider in Cincinnati → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Matthew FultonCincinnati, OH 452111255561775
- Matthew Funch, MDCincinnati, OH 452111790079564
- Justin Gibler, M.D.Cincinnati, OH 452111467748079
- Gina Maccarone, MDCincinnati, OH 452111730474917
- Krishnamurthi Mahalingam, M.D.Cincinnati, OH 452111487636866
- Blake O'Connor, MDCincinnati, OH 452111467958587
- Anna Sobolewski, M.D.Cincinnati, OH 452111649245325
- Creighton Wright, MD, MBACincinnati, OH 452111275525560
Common questions
What is Mark R. Jennings, M.D.'s NPI number?
Mark R. Jennings, M.D.'s National Provider Identifier (NPI) is 1578538955, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Jennings, M.D. located?
The NPPES record lists a practice address at 3300 Mercy Health Blvd Ste 2010, Cincinnati, OH, 45211. Phone: (513) 961-4335. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Jennings, M.D.'s license?
NPPES lists Ohio license number 35085981, 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 Mark R. Jennings, M.D. prescribe under Medicare Part D?
In 2024, Mark R. Jennings, M.D. had 351 Medicare Part D claims for 131 beneficiaries; the average among surgery physician prescribers was 147. 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.