Reena Jayani-Kosarzycki, M.D.
NPI 1922397561 · Hematology & Oncology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reena Jayani-Kosarzycki, M.D. is a Hematology & Oncology Physician provider in Nashville, TN (NPI 1922397561).
Provider details
- NPI number
- 1922397561
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 57.019525 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
818 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 453 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 130 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 123 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $63 |
| Administration of Developmental Test, Each Additional 30 Minutes96113 | 21 | $50 |
| Administration of Developmental Test, First Hour96112 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Valacyclovir Hclbrand: Valacyclovir | 80 | 38 |
| Ibrutinibbrand: Imbruvica | 46 | — |
| Belumosudil Mesylatebrand: Rezurock | 45 | 11 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 44 | 24 |
| Omeprazole | 42 | 27 |
| Ruxolitinib Phosphatebrand: Jakafi | 42 | 11 |
| Ondansetron Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$187 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3601 the Vanderbilt ClinicNashville, TN 37232-0001Phone: (615) 322-3000
Registry dates
- Enumerated
- 2011-04-05
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Reena Jayani-Kosarzycki's NPI number?
- Reena Jayani-Kosarzycki's National Provider Identifier (NPI) is 1922397561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reena Jayani-Kosarzycki's specialty?
- Reena Jayani-Kosarzycki is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Reena Jayani-Kosarzycki located?
- Reena Jayani-Kosarzycki's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0001.
- What is Reena Jayani-Kosarzycki's phone number?
- The practice phone number listed in the NPPES registry for Reena Jayani-Kosarzycki is (615) 322-3000.
- Does Reena Jayani-Kosarzycki accept Medicare?
- Reena Jayani-Kosarzycki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reena Jayani-Kosarzycki's NPI active?
- Yes — Reena Jayani-Kosarzycki's NPI (1922397561) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.