Mary Kathryn Trowbridge, D.O.
Family Medicine Physician · London, OH
Mary Kathryn Trowbridge, D.O. is a family medicine physician with a practice address in London, Ohio, and NPI 1588766950, issued on Sep 5, 2006. Check the license (Ohio 34-00-4851, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mary Kathryn Trowbridge
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34-00-4851 OH
Self-reported in NPPES; status is on the state search - Practice location
- 67 W High St, London, OH 43140
- Phone
- (740) 852-3171
- Enumerated
- Sep 5, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (740) 852-1589
- Medicaid ID
- 0759960 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Verify Mary Kathryn Trowbridge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34-00-4851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
53 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate13 claims
- Carvedilol11 claims
- Pantoprazole Sodium11 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.
Mary Kathryn Trowbridge among 5,606 family medicine physician records in Ohio
Mary Kathryn Trowbridge, D.O. 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 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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).
11 family medicine physician records list a practice address in London
They are 11 of the 299 NPPES records with a practice address in London, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in London → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Isteaq Ahmed, M.D.London, OH 431401245525765
- Zainab Al-Obosi, M.D.London, OH 431401093005274
- David Duff, MDLondon, OH 431401588669642
- Gary Erdy, MDLondon, OH 431401053487108
- Calvin John, MDLondon, OH 431401750332862
- James Kaehr, MDLondon, OH 431401184659708
- Rosalie Kuriakose, MDLondon, OH 431401699702571
- Elliot Neufeld, D.OLondon, OH 431401831562628
Common questions
What is Mary Kathryn Trowbridge, D.O.'s NPI number?
Mary Kathryn Trowbridge, D.O.'s National Provider Identifier (NPI) is 1588766950, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kathryn Trowbridge, D.O. located?
The NPPES record lists a practice address at 67 W High St, London, OH, 43140. Phone: (740) 852-3171. Providers update this record themselves, so call before visiting.
How can I verify Mary Kathryn Trowbridge, D.O.'s license?
NPPES lists Ohio license number 34-00-4851, 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 Mary Kathryn Trowbridge, D.O. prescribe under Medicare Part D?
In 2024, Mary Kathryn Trowbridge, D.O. had 53 Medicare Part D claims; 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.