Bassem Mikhael, MD
NPI 1457708059 · Nephrology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bassem Mikhael, MD is a Nephrology Physician provider in Washington, DC (NPI 1457708059).
Provider details
- NPI number
- 1457708059
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD210001523 (DC)
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
426 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 201 | $84 |
| Hemodialysis Procedure With Physician Evaluation90935 | 167 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 32 | $139 |
| Dialysis Procedure Including 1 Evaluation90945 | 26 | $92 |
Typical Medicare-allowed amounts for these services range $75–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- Massachusetts General Hospital55 Fruit St.Boston, MA 02114Phone: (617) 643-0596
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2023-03-20
- Certified
- 2023-03-20
Frequently asked questions
- What is Bassem Mikhael's NPI number?
- Bassem Mikhael's National Provider Identifier (NPI) is 1457708059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bassem Mikhael's specialty?
- Bassem Mikhael is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Bassem Mikhael located?
- Bassem Mikhael's practice location on file with NPPES is 900 23rd St Nw, Washington, DC 20037-2342.
- What is Bassem Mikhael's phone number?
- The practice phone number listed in the NPPES registry for Bassem Mikhael is (202) 741-2283.
- Does Bassem Mikhael accept Medicare?
- Bassem Mikhael is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bassem Mikhael's NPI active?
- Yes — Bassem Mikhael's NPI (1457708059) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.