Marwah Tareen, MD
NPI 1811484850 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marwah Tareen, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1811484850).
Provider details
- NPI number
- 1811484850
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
386 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $143 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 68 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $99 |
| 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 | 53 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $145 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 25 |
| Rosuvastatin Calcium | 55 | 16 |
| Amlodipine Besylate | 50 | 16 |
| Lisinopril | 47 | 17 |
| Losartan Potassium | 36 | 12 |
| Levothyroxine Sodium | 31 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 799 Bloomfield AveVerona, NJ 07044-1367Phone: (973) 746-7050
Registry dates
- Enumerated
- 2018-04-16
- Last updated
- 2024-01-11
- Certified
- 2024-01-11
Frequently asked questions
- What is Marwah Tareen's NPI number?
- Marwah Tareen's National Provider Identifier (NPI) is 1811484850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marwah Tareen's specialty?
- Marwah Tareen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marwah Tareen located?
- Marwah Tareen's practice location on file with NPPES is 1400 I St Nw, Washington, DC 20005-2208.
- What is Marwah Tareen's phone number?
- The practice phone number listed in the NPPES registry for Marwah Tareen is (202) 617-2160.
- Does Marwah Tareen accept Medicare?
- Marwah Tareen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marwah Tareen's NPI active?
- Yes — Marwah Tareen's NPI (1811484850) is active in the NPPES registry as of the last update on 2024-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.