Namratha Vontela, M.D.
NPI 1619263852 · Hematology & Oncology Physician · Oak Ridge, TN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Namratha Vontela, M.D. is a Hematology & Oncology Physician provider in Oak Ridge, TN (NPI 1619263852).
Provider details
- NPI number
- 1619263852
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 56301 (TN)
Specialties & taxonomies
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
1,803 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 573 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 495 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 337 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 108 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 78 | $72 |
| Collection of Blood Sample From Implanted Device36591 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 166 | 47 |
| Ondansetron Hcl | 123 | 59 |
| Apixabanbrand: Eliquis | 90 | 23 |
| Letrozole | 51 | 11 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 46 | 33 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 39 | 16 |
| Hydroxyurea | 33 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 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)
- 200 New York Ave Ste 200Oak Ridge, TN 37830Phone: (865) 835-5400
Registry dates
- Enumerated
- 2011-06-27
- Last updated
- 2020-08-24
- Certified
- 2020-08-24
Frequently asked questions
- What is Namratha Vontela's NPI number?
- Namratha Vontela's National Provider Identifier (NPI) is 1619263852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Namratha Vontela's specialty?
- Namratha Vontela is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Namratha Vontela located?
- Namratha Vontela's practice location on file with NPPES is 200 New York Ave Ste 200, Oak Ridge, TN 37830.
- What is Namratha Vontela's phone number?
- The practice phone number listed in the NPPES registry for Namratha Vontela is (865) 835-5400.
- Does Namratha Vontela accept Medicare?
- Namratha Vontela is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Namratha Vontela's NPI active?
- Yes — Namratha Vontela's NPI (1619263852) is active in the NPPES registry as of the last update on 2020-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.