Preethi John, MD
NPI 1841553518 · Medical Oncology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Preethi John, MD is a Medical Oncology Physician provider in Dallas, TX (NPI 1841553518).
Provider details
- NPI number
- 1841553518
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- S0467 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,871 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 456 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 448 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 416 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 335 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 263 | $16 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 321 | 94 |
| Anastrozole | 277 | 86 |
| Tamoxifen Citrate | 56 | 18 |
| Gabapentin | 48 | 17 |
| Abemaciclibbrand: Verzenio | 39 | — |
| Palbociclibbrand: Ibrance | 29 | — |
| Olanzapine | 21 | — |
| Exemestane | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,835 across 63 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
Registry dates
- Enumerated
- 2012-06-19
- Last updated
- 2022-05-23
- Certified
- 2022-05-23
Frequently asked questions
- What is Preethi John's NPI number?
- Preethi John's National Provider Identifier (NPI) is 1841553518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preethi John's specialty?
- Preethi John is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Preethi John located?
- Preethi John's practice location on file with NPPES is 3410 Worth St Ste 400, Dallas, TX 75246-2092.
- What is Preethi John's phone number?
- The practice phone number listed in the NPPES registry for Preethi John is (214) 370-1000.
- Does Preethi John accept Medicare?
- Preethi John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Preethi John's NPI active?
- Yes — Preethi John's NPI (1841553518) is active in the NPPES registry as of the last update on 2022-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.