Mary Louise Barmann, M.D.
Family Medicine Physician · Toledo, OH
Mary Louise Barmann, M.D. is a family medicine physician with a practice address in Toledo, Ohio, and NPI 1659371243, issued on Jul 26, 2005. Check the license (Ohio 35-053759, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mary Louise Barmann
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35-053759 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3020 N Mccord RD, Toledo, OH 43615
- Phone
- (419) 843-3349
- Enumerated
- Jul 26, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (419) 841-2349
- Medicaid ID
- 0866693 OH
- Medicare enrollment
- Enrolled (PECOS I20091026000234); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 3020 N Mccord RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Louise Barmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-053759Check 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
18 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Furosemide17 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
- Compassion Health ToledoToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Louise Barmann among 5,606 family medicine physician records in Ohio
Mary Louise Barmann, M.D. 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
- Graduated1985 · median 2005 among the 3,510 with a school on file
- Record last updated2026 · 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).
148 family medicine physician records list a practice address in Toledo
They are 148 of the 13,583 NPPES records with a practice address in Toledo, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Toledo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Munir Ahmad, M.D.Toledo, OH 436151104978832
- George Blossom, D.O.Toledo, OH 436151275586059
- Barry Conlan, M.D.Toledo, OH 436151568462158
- Rex Figy, M.D.Toledo, OH 436151861492357
- Steven Freeman, MDToledo, OH 436151396737425
- Darrell Hall, M.D.Toledo, OH 436151356430557
- Erica Martin, M.D.Toledo, OH 436151598148389
- Marshall Ochi, DOToledo, OH 436151811351836
Common questions
What is Mary Louise Barmann, M.D.'s NPI number?
Mary Louise Barmann, M.D.'s National Provider Identifier (NPI) is 1659371243, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Louise Barmann, M.D. located?
The NPPES record lists a practice address at 3020 N Mccord RD, Toledo, OH, 43615. Phone: (419) 843-3349. Providers update this record themselves, so call before visiting.
How can I verify Mary Louise Barmann, M.D.'s license?
NPPES lists Ohio license number 35-053759, 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 Louise Barmann, M.D. prescribe under Medicare Part D?
In 2024, Mary Louise Barmann, M.D. had 18 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.