Saif Alenizi, M.D., M.P.H.
NPI 1255680997 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saif Alenizi, M.D., M.P.H. is a Nephrology Physician provider in Boston, MA (NPI 1255680997).
Provider details
- NPI number
- 1255680997
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- 279721 (MA)
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,081 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 556 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 183 | $82 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 141 | $149 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 75 | $179 |
| Dialysis Procedure Including 1 Evaluation90945 | 57 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
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 |
|---|---|---|
| Prednisone | 34 | 13 |
| Losartan Potassium | 33 | — |
| Atovaquone | 24 | — |
| Furosemide | 24 | — |
| Torsemide | 24 | — |
| Calcitriol | 23 | — |
| Amlodipine Besylate | 22 | — |
| Carvedilol | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13,398 across 11 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 (3)
- 75 Francis StBoston, MA 02115-6110Phone: (617) 732-5500
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-3155
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 334-3155
Registry dates
- Enumerated
- 2012-09-07
- Last updated
- 2025-02-20
- Certified
- 2025-02-20
Frequently asked questions
- What is Saif Alenizi's NPI number?
- Saif Alenizi's National Provider Identifier (NPI) is 1255680997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saif Alenizi's specialty?
- Saif Alenizi is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Saif Alenizi located?
- Saif Alenizi's practice location on file with NPPES is 45 Francis St, Boston, MA 02115.
- What is Saif Alenizi's phone number?
- The practice phone number listed in the NPPES registry for Saif Alenizi is (617) 732-6383.
- Does Saif Alenizi accept Medicare?
- Saif Alenizi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saif Alenizi's NPI active?
- Yes — Saif Alenizi's NPI (1255680997) is active in the NPPES registry as of the last update on 2025-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.