Katherine Appleton Downes, MD
Clinical Pathology/Laboratory Medicine Physician · Cleveland, OH
Katherine Appleton Downes, MD is a clinical pathology/laboratory medicine physician with a practice address in Cleveland, Ohio, and NPI 1023037686, issued on Jul 18, 2006. Check the license (Ohio 35076839, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Katherine Appleton Downes
- Credential
- MD
- Primary taxonomy
- Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
- License number
- 35076839 OH
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Euclid Avenue, Cleveland, OH 44106
- Phone
- (216) 844-7494
- Enumerated
- Jul 18, 2006
- Record last updated
- Dec 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (216) 286-6341
- Medicaid IDs
- 1023037686 MI
2351100 OH - Medicare enrollment
- Enrolled (PECOS I20070911000121); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1997
- Entity
- Type 1 · individual
8 nearest clinical pathology/laboratory medicine physician records → All 34 in Ohio → Look up another NPI →
Also registered at 11100 Euclid Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Appleton Downes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35076839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University Hospitals Medical Group IncCleveland, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Appleton Downes among 34 clinical pathology/laboratory medicine physician records in Ohio
Katherine Appleton Downes, MD is one of 34 clinical pathology/laboratory medicine physician records with a practice address in Ohio. 47% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 41% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1997 · median 2000 among the 15 with a school on file
- Record last updated2010 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology/Laboratory Medicine Physician providers in Ohio
There are 34 clinical pathology/laboratory medicine physician records in Ohio.
All 34 in Ohio → Every provider in Cleveland → Clinical Pathology/Laboratory Medicine Physician nationwide →
The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes
- Rose Beck, MDCleveland, OH 441061750315149
- Steven EmancipatorCleveland, OH 441061134201825
- Neil Greenspan, MDCleveland, OH 441061386663938
- Michael Jacobs, MDCleveland, OH 441061013933357
- Howard Meyerson, MDCleveland, OH 441061942234364
- Tyler Miller, MD, PHDCleveland, OH 441061114415767
- Linda Sandhaus, MDCleveland, OH 441061801811518
- David Wald, MDCleveland, OH 441061760697528
Common questions
What is Katherine Appleton Downes, MD's NPI number?
Katherine Appleton Downes, MD's National Provider Identifier (NPI) is 1023037686, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Appleton Downes, MD located?
The NPPES record lists a practice address at 11100 Euclid Avenue, Cleveland, OH, 44106. Phone: (216) 844-7494. Providers update this record themselves, so call before visiting.
How can I verify Katherine Appleton Downes, MD's license?
NPPES lists Ohio license number 35076839, 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.
What is Katherine Appleton Downes, MD's MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.