Nabil Haddad, M.D.
NPI 1598772998 · Nephrology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nabil Haddad, M.D. is a Nephrology Physician provider in Columbus, OH (NPI 1598772998).
Provider details
- NPI number
- 1598772998
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35069209 (OH)
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
19 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
203 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 35 Minutes99232 | 71 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 34 | $111 |
| Hemodialysis Procedure With Physician Evaluation90935 | 31 | $66 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 18 | $164 |
| 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 72 | 15 |
| Amlodipine Besylate | 63 | 19 |
| Nifedipinebrand: Nifedipine Er | 49 | 12 |
| Sevelamer Carbonate | 43 | 12 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 40 | — |
| Lisinopril | 39 | 11 |
| Dapagliflozin Propanediolbrand: Farxiga | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6 across 2 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
- 2006-08-01
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Nabil Haddad's NPI number?
- Nabil Haddad's National Provider Identifier (NPI) is 1598772998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nabil Haddad's specialty?
- Nabil Haddad is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nabil Haddad located?
- Nabil Haddad's practice location on file with NPPES is 543 Taylor Ave, Columbus, OH 43203-1278.
- What is Nabil Haddad's phone number?
- The practice phone number listed in the NPPES registry for Nabil Haddad is (614) 293-4837.
- Does Nabil Haddad accept Medicare?
- Nabil Haddad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nabil Haddad's NPI active?
- Yes — Nabil Haddad's NPI (1598772998) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.