Leonid A. Klopouh, M.D.
Nephrology Physician · Owings Mills, MD
Leonid A. Klopouh, M.D. is a nephrology physician with a practice address in Owings Mills, Maryland, and NPI 1285615468, issued on Nov 7, 2005. Check the license (Maryland D0061520, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Leonid A. Klopouh
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- D0061520 MD
Self-reported in NPPES; status is on the state search - Practice location
- 25 Crossroads Dr Ste 205, Owings Mills, MD 21117
- Phone
- (410) 602-7792
- Enumerated
- Nov 7, 2005
- Record last updated
- Jan 22, 2025
- Fax
- (410) 602-9889
- Medicare enrollment
- Enrolled (PECOS I20060302000141); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2001
- Entity
- Type 1 · individual
Also registered at 25 Crossroads Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Brown, MDNephrology Physician1306980701
- Jennifer Colpitts, NPFamily Nurse Practitioner1902441629
- Daniel Corning, MDNephrology Physician1487213443
- Robert Fuld, M.D.Nephrology Physician1386642718
- Lorraine Harriott, AGAC-NPAcute Care Nurse Practitioner1265383111
- Reshma Kariyil, MDNephrology Physician1487150918
Verify Leonid A. Klopouh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0061520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average nephrology physician in 2024
421 Medicare Part D claims for 93 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Calcitriol87 claims
- Losartan Potassium58 claims
- Jardiance39 claims
- Carvedilol28 claims
- Farxiga22 claims
- Furosemide22 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.
Industry payments in 2024: $256.08
5 payments; by number, the most common kind was education; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Mid-Atlantic Nephrology Associates PAOwings Mills, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Maryland
There are 337 nephrology physician records in Maryland.
Other nephrology physician records in Maryland
- Hashim AbbasBaltimore, MD1396171070
- Kevin Abbott, MDBethesda, MD1730289133
- Hossam Abdalla, M.D.Glen Burnie, MD1285031765
- Marwa Abdalla, MBBSWaldorf, MD1851852768
- Jacques Abi Rached, MDBaltimore, MD1790920577
- Farah Abifaraj, MDBaltimore, MD1104352962
- Veena Acharya, MDBel Air, MD1285842211
- Rohini Adhikarla, M.DLutherville Timonium, MD1316146863
- Muzna Adil, M.D.Suitland, MD1780870618
- Harsha Adnani, MDAnnapolis, MD1437738838
Common questions
What is Leonid A. Klopouh, M.D.'s NPI number?
Leonid A. Klopouh, M.D.'s National Provider Identifier (NPI) is 1285615468, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leonid A. Klopouh, M.D. located?
The NPPES record lists a practice address at 25 Crossroads Dr Ste 205, Owings Mills, MD, 21117. Phone: (410) 602-7792. Providers update this record themselves, so call before visiting.
How can I verify Leonid A. Klopouh, M.D.'s license?
NPPES lists Maryland license number D0061520, 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 Leonid A. Klopouh, M.D. prescribe under Medicare Part D?
In 2024, Leonid A. Klopouh, M.D. had 421 Medicare Part D claims for 93 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.