DR. LEONID A KLOPOUH M.D.
NPI 1285615468
Internal Medicine - Nephrology in Owings Mills, MD

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment
25 CROSSROADS DR STE 205, OWINGS MILLS, MD 21117(410) 602-7792(410) 602-9889 Get Directions Write a Review

NPPES record last updated: January 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Leonid A Klopouh M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEONID A KLOPOUH M.D. (NPI 1285615468) is an individual nephrology provider in Owings Mills, Maryland, licensed in Maryland (D0061520) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and is a graduate of Virginia Commonwealth University, School Of Medicine (2001).

NPPES Registry Identity

NPI1285615468
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. LEONID A KLOPOUHCredential: M.D.
Location Address25 CROSSROADS DR STE 205Owings Mills, MD 21117-5533
Mailing Address1589 Sulphur Spring Rd Ste 109Baltimore, MD 21227-2542 · (410) 536-5400 · Fax (410) 737-2168
Fax(410) 602-9889
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2001
Enumeration DateNovember 7, 2005
Last NPPES UpdateJanuary 22, 2025
NPPES CertifiedJanuary 22, 2025
NPI 1285615468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in MD · D0061520
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
25 CROSSROADS DR STE 205, Owings Mills, MD 21117

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leonid A Klopouh M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496761306
PECOS Enrollment IDI20060302000141
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 21

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
258 services131 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
232 services156 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
168 services23 patients
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153
This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.
151 services90 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
123 services68 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
121 services104 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sinai Hospital Of Baltimore

Acute Care Hospitals · Baltimore, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210012
Location2401 West Belvedere AvenueBaltimore, MD 21215 · Baltimore City County
Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Levindale Hebrew Geriatric Center And Hospital

Acute Care Hospitals · Baltimore, MD
OwnershipVoluntary non-profit - Private
CMS Certification Number210064
Location2434 West Belvedere AvenueBaltimore, MD 21209 · Baltimore City County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Nurse Practitioner (Family)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Nurse Practitioner (Acute Care)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117
Internal Medicine (Nephrology)
25 CROSSROADS DR STE 205
OWINGS MILLS, MD 21117

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonid Klopouh's NPI number?

The NPI number for Leonid Klopouh is 1285615468. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Leonid Klopouh located?

Leonid Klopouh practices at 25 Crossroads Dr Ste 205, Owings Mills, MD 21117. The listed phone number is (410) 602-7792.

What is Leonid Klopouh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Leonid Klopouh enrolled in Medicare?

Yes. Leonid Klopouh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Leonid Klopouh affiliated with any hospitals?

According to CMS data, Leonid Klopouh is affiliated with Sinai Hospital Of Baltimore, Medstar Union Memorial Hospital and Levindale Hebrew Geriatric Center And Hospital.

When was this NPI record last updated?

The NPPES record for Leonid Klopouh was last updated on January 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.