Joseph Warren, M.D.
NPI 1952394058 · Nephrology Physician · Orlando, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Warren, M.D. is a Nephrology Physician provider in Orlando, FL (NPI 1952394058).
Provider details
- NPI number
- 1952394058
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME0030906 (FL)
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
21 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
5,206 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 461 | $105 |
| Automated Urinalysis Test81003 | 312 | $2 |
| 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 | 308 | $16 |
| Urine Microalbumin (protein) Level82043 | 277 | $6 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 277 | $5 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 206 | 60 |
| Furosemide | 176 | 57 |
| Prednisone | 157 | 33 |
| Atorvastatin Calcium | 155 | 47 |
| Losartan Potassium | 142 | 42 |
| Alprazolam | 135 | 23 |
| Clonidine Hcl | 130 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$717 across 33 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
- 2005-08-24
- Last updated
- 2009-12-22
Frequently asked questions
- What is Joseph Warren's NPI number?
- Joseph Warren's National Provider Identifier (NPI) is 1952394058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Warren's specialty?
- Joseph Warren is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Warren located?
- Joseph Warren's practice location on file with NPPES is 2501 N Orange Ave, Orlando, FL 32804-4603.
- What is Joseph Warren's phone number?
- The practice phone number listed in the NPPES registry for Joseph Warren is (407) 894-4693.
- Does Joseph Warren accept Medicare?
- Joseph Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Warren's NPI active?
- Yes — Joseph Warren's NPI (1952394058) is active in the NPPES registry as of the last update on 2009-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.