Louis Barry Malinow, M.D.
Internal Medicine Physician · Baltimore, MD
Louis Barry Malinow, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1225007925, issued on Mar 15, 2006. Check the license (Maryland D0051896, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Louis Barry Malinow
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0051896 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Quarry Lake Dr, Baltimore, MD 21209
- Phone
- (410) 484-8398
- Enumerated
- Mar 15, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (410) 484-8398
- Medicaid ID
- 680141200 MD
- Medicare enrollment
- Enrolled (PECOS I20101208000089); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 2700 Quarry Lake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Louis Barry Malinow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0051896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average internal medicine physician in 2024
5,840 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 87 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium480 claims
- Ezetimibe318 claims
- Amlodipine Besylate204 claims
- Metformin Hcl187 claims
- Losartan Potassium180 claims
- Levothyroxine Sodium179 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.7 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).
Industry payments in 2024: $28.45
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Malinow Oster Andmalinow, P.ABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Barry Malinow among 3,904 internal medicine physician records in Maryland
Louis Barry Malinow, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2003 among the 2,445 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
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Common questions
What is Louis Barry Malinow, M.D.'s NPI number?
Louis Barry Malinow, M.D.'s National Provider Identifier (NPI) is 1225007925, issued on Mar 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Barry Malinow, M.D. located?
The NPPES record lists a practice address at 2700 Quarry Lake Dr, Baltimore, MD, 21209. Phone: (410) 484-8398. Providers update this record themselves, so call before visiting.
How can I verify Louis Barry Malinow, M.D.'s license?
NPPES lists Maryland license number D0051896, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis Barry Malinow, M.D. prescribe under Medicare Part D?
In 2024, Louis Barry Malinow, M.D. had 5,840 Medicare Part D claims for 251 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Louis Barry Malinow, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.7 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.