Dr. Leonid A. Belyayev, MD
- Medicare services, 2024
- 97
- Medicare patients, 2024
- 84
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Industry payments
- $162,073
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Belyayev's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Leonid A. Belyayev is a cardiothoracic surgeon in Baltimore, Maryland
Dr. Belyayev practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Belyayev's NPI, 1538554118, was assigned on April 1, 2015. Dr. Belyayev graduated from Harvard Medical School in 2023. Dr. Belyayev holds Maryland license D98344.
- NPI
- 1538554118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587026430
- NPI enumeration date
- April 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonid A. Belyayev practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Belyayev's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Leonid A. Belyayev is affiliated with 2 sites of care and 1 medical group
Dr. Belyayev's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Belyayev is also affiliated with University of Maryland Capital Region Medical Center. The medical group on file is University of Maryland Surgical Care.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonid A. Belyayev's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Belyayev practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Leonid A. Belyayev is one of 77 cardiothoracic surgeons in Maryland
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Belyayev's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Belyayev is licensed in Maryland.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MarylandPrimary
Cardiothoracic surgeons near Dr. Belyayev
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leonid A. Belyayev billed Medicare for 97 services in 2024
CMS data shows 97 Medicare services from Dr. Belyayev across 4 procedure codes in 2024, for 84 Medicare patients. Medicare paid $63,286 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Belyayev's Medicare services by type, 2024
- Surgery74
- Imaging23
Dr. Belyayev compared with the Maryland median for cardiothoracic surgeons, 2024
- Dr. Belyayev
- Maryland median
- Medicare services
- 97vs 18949% below
- Medicare patients
- 84vs 14442% below
Medians across 66 cardiothoracic surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Belyayev's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonid A. Belyayev treated 84 Medicare patients in 2024, average age 74
CMS counts 84 Medicare patients who saw Dr. Belyayev in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Belyayev's median patient age at 71, with 31% women.
Dr. Belyayev's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Belyayev's Medicare patients by sex, 2024
- Women3339%
- Men5161%
Chronic conditions among Dr. Belyayev's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure67%
- Diabetes64%
- Atrial fibrillation60%
- Chronic kidney disease60%
- Arthritis38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Belyayev's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonid A. Belyayev scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Belyayev for performance year 2024, reported as part of a group. Dr. Belyayev accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of coronary artery bypass graft (cabg) by Dr. Belyayev, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Belyayev's MIPS scores, performance year 2024
- 100of 100Final score
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Belyayev ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 68th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Leonid A. Belyayev received $162,073 in industry payments from 2023 to 2025
CMS Open Payments shows 147 general payments to Dr. Belyayev from 9 drug and device companies from 2023 to 2025. Device or supply loans make up the largest share, 97% of the total. KLS-Martin L.P. paid the most, $157,688.
General payments to Dr. Belyayev by program year, 2023 to 2025
General payments to Dr. Belyayev by kind, 2023 to 2025
- Device or supply loans$157,68897%
- Travel and lodging$2,8362%
- Education$1,0001%
- Food and beverage$5490%
Companies that paid Dr. Belyayev the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonid A. Belyayev graduated from Harvard Medical School
Dr. Belyayev graduated from Harvard Medical School in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonid A. Belyayev's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leonid A. Belyayev
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leonid A. Belyayev's NPI number?
Dr. Leonid A. Belyayev's NPI number is 1538554118. It was assigned on April 1, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonid A. Belyayev?
Dr. Leonid A. Belyayev is a cardiothoracic surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Leonid A. Belyayev practice?
Dr. Belyayev practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Belyayev's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Leonid A. Belyayev's office phone number?
The practice phone on file for Dr. Belyayev is (410) 328-8667.
What is Dr. Leonid A. Belyayev's medical license number?
Dr. Belyayev holds Maryland license D98344.
Which hospitals is Dr. Leonid A. Belyayev affiliated with?
Dr. Belyayev practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Belyayev is also affiliated with University of Maryland Capital Region Medical Center.
What medical group is Dr. Leonid A. Belyayev part of?
Dr. Belyayev is linked to University of Maryland Surgical Care.
Does Dr. Leonid A. Belyayev accept Medicare?
Yes. CMS data shows Dr. Belyayev billed Medicare for 97 services in 2024, and Dr. Belyayev accepts Medicare assignment.
What is Dr. Leonid A. Belyayev's MIPS score?
Dr. Belyayev's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Leonid A. Belyayev see?
CMS counts 84 Medicare patients who saw Dr. Belyayev in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Leonid A. Belyayev bill to Medicare?
In 2024, Dr. Belyayev's most billed Medicare services were surgery: heart and blood vessels (33361), surgery: heart and blood vessels (33533) and ultrasound (76998).
Where did Dr. Leonid A. Belyayev go to medical school?
Dr. Belyayev graduated from Harvard Medical School in 2023.
Has Dr. Leonid A. Belyayev received payments from drug or device companies?
CMS Open Payments shows $162,073 in general payments to Dr. Belyayev from 9 companies from 2023 to 2025. The largest total came from KLS-Martin L.P.
How long has Dr. Leonid A. Belyayev been practicing?
Dr. Belyayev graduated from medical school in 2023, 3 years ago.
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