Leah Belle Kosyakovsky, MD
Cardiovascular Disease Physician · Boston, MA
Leah Belle Kosyakovsky, MD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1548857055, issued on Dec 30, 2020. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Leah Belle Kosyakovsky
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- Practice location
- 185 Pilgrim RD # Baker4, Boston, MA 02215
- Phone
- (617) 667-8800
- Enumerated
- Dec 30, 2020
- Record last updated
- Feb 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 185 Pilgrim RD # Baker4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Andalib, MD, MSCStudent in an Organized Health Care Education/Training Program1750789111
- Clifford Berger, MDInterventional Cardiology Physician1972569861
- Andreluiz D'Avila, MD PHDClinical Cardiac Electrophysiology Physician1881709111
- Mauro Rogerio De Barros Wanderley Junior, MD, PHDStudent in an Organized Health Care Education/Training Program1720838733
- Allon Eyal, MDClinical Cardiac Electrophysiology Physician1568983179
- Christopher Hoeger, MDCardiovascular Disease Physician1467980029
Verify Leah Belle Kosyakovsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
116 Medicare Part D claims for 41 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Spironolactone26 claims
- Metoprolol Succinate18 claims
- Jardiance13 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: $15.48
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Leah Belle Kosyakovsky among 1,080 cardiovascular disease physician records in Massachusetts
Leah Belle Kosyakovsky, MD is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Boston → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- James Ducksoon Chang, M.D.Boston, MA 022151184661878
- Patricia Come, M.D.Boston, MA 022151528005741
- Zareen Farukhi, M.D.Boston, MA 022151568431187
- Eli Gelfand, M.D.Boston, MA 022151659339588
- Thomas Hauser, M.D.Boston, MA 022151285671800
- Robert Healy, M.D.Boston, MA 022151295772887
- Joseph Kannam, M.D.Boston, MA 022151992742779
- Marshall Katz, M.D.Boston, MA 022151124024013
Common questions
What is Leah Belle Kosyakovsky, MD's NPI number?
Leah Belle Kosyakovsky, MD's National Provider Identifier (NPI) is 1548857055, issued on Dec 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Leah Belle Kosyakovsky, MD located?
The NPPES record lists a practice address at 185 Pilgrim RD # Baker4, Boston, MA, 02215. Phone: (617) 667-8800. Providers update this record themselves, so call before visiting.
How can I verify Leah Belle Kosyakovsky, MD's license?
Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leah Belle Kosyakovsky, MD prescribe under Medicare Part D?
In 2024, Leah Belle Kosyakovsky, MD had 116 Medicare Part D claims for 41 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.