Reena Mahajan, M.D.
NPI 1457519910 · Internal Medicine Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reena Mahajan, M.D. is a Internal Medicine Physician provider in Atlanta, GA (NPI 1457519910).
Provider details
- NPI number
- 1457519910
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 069678 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 50 | 21 |
| Dexamethasone | 23 | — |
| Enoxaparin Sodium | 19 | — |
| Hydroxyurea | 19 | — |
| Letrozole | 17 | — |
| Nilotinib Hclbrand: Tasigna | 16 | — |
| Rivaroxabanbrand: Xarelto | 15 | — |
| Imatinib Mesylate | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-30
- Last updated
- 2023-03-27
Frequently asked questions
- What is Reena Mahajan's NPI number?
- Reena Mahajan's National Provider Identifier (NPI) is 1457519910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reena Mahajan's specialty?
- Reena Mahajan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Reena Mahajan located?
- Reena Mahajan's practice location on file with NPPES is 69 Jesse Hill Jr Dr Se, Atlanta, GA 30303-3033.
- What is Reena Mahajan's phone number?
- The practice phone number listed in the NPPES registry for Reena Mahajan is (404) 616-7028.
- Does Reena Mahajan accept Medicare?
- Reena Mahajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reena Mahajan's NPI active?
- Yes — Reena Mahajan's NPI (1457519910) is active in the NPPES registry as of the last update on 2023-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.