Katherine Anne Longsdorf, MD
Family Medicine Physician · Ashland, OH
Katherine Anne Longsdorf, MD is a family medicine physician with a practice address in Ashland, Ohio, and NPI 1568468569, issued on Jun 23, 2005. Check the license (Ohio 350-82781-L, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Katherine Anne Longsdorf
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 350-82781-L OH
Self-reported in NPPES; status is on the state search - Practice location
- 2111 Claremont Ave, Ashland, OH 44805
- Phone
- (419) 281-5575
- Enumerated
- Jun 23, 2005
- Record last updated
- Nov 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (419) 289-1677
- Medicaid ID
- 2445349 OH
- Medicare enrollment
- Enrolled (PECOS I20040427000446); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 2111 Claremont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Julie Jones, MDFamily Medicine Physician1093716755
- Kimberly Royal, D.O.Internal Medicine Physician1851388714
- Young Shin, MDInternal Medicine Physician1366410995
Verify Katherine Anne Longsdorf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 350-82781-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,236 Medicare Part D claims for 531 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 107 claims were for opioids.
Most prescribed
- Atorvastatin Calcium557 claims
- Lisinopril440 claims
- Levothyroxine Sodium400 claims
- Omeprazole298 claims
- Amlodipine Besylate258 claims
- Metoprolol Succinate253 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.
Bills Medicare through one group practice
- University Primary Care Practices IncConneaut, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Anne Longsdorf among 5,606 family medicine physician records in Ohio
Katherine Anne Longsdorf, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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, 82% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2005 among the 3,510 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Ashland
They are 20 of the 694 NPPES records with a practice address in Ashland, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Ashland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Julie Beard, M.D.Ashland, OH 448051386622785
- Christopher Boyd, M.D.Ashland, OH 448051063449882
- Mario Brunicardi, M.D.Ashland, OH 448051245270552
- Patrick Furness, MDAshland, OH 448051215927314
- John Hanna, MDAshland, OH 448051316921109
- John Jentes, M.D.Ashland, OH 448051417974056
- Julie Jones, MDAshland, OH 448051093716755
- Chungkil Kang, M.D.Ashland, OH 448051417957721
Common questions
What is Katherine Anne Longsdorf, MD's NPI number?
Katherine Anne Longsdorf, MD's National Provider Identifier (NPI) is 1568468569, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Anne Longsdorf, MD located?
The NPPES record lists a practice address at 2111 Claremont Ave, Ashland, OH, 44805. Phone: (419) 281-5575. Providers update this record themselves, so call before visiting.
How can I verify Katherine Anne Longsdorf, MD's license?
NPPES lists Ohio license number 350-82781-L, 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 Katherine Anne Longsdorf, MD prescribe under Medicare Part D?
In 2024, Katherine Anne Longsdorf, MD had 9,236 Medicare Part D claims for 531 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.