Joseph Warren, D.O.
NPI 1104805944 · Emergency Medical Services (Emergency Medicine) Physician · Dearborn, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Warren, D.O. is a Emergency Medical Services (Emergency Medicine) Physician provider in Dearborn, MI (NPI 1104805944).
Provider details
- NPI number
- 1104805944
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101015058 (MI)
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
20 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
376 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 212 | $170 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 75 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 67 | $117 |
| Critical Care, First 30-74 Minutes99291 | 22 | $205 |
Typical Medicare-allowed amounts for these services range $8–$205 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 69 | 69 |
| Cyclobenzaprine Hcl | 50 | 49 |
| Ibuprofen | 46 | 46 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 41 | 41 |
| Prednisone | 40 | 36 |
| Cephalexin | 32 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2006-01-11
- Last updated
- 2007-07-09
Frequently asked questions
- What is Joseph Warren's NPI number?
- Joseph Warren's National Provider Identifier (NPI) is 1104805944, 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 Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Warren located?
- Joseph Warren's practice location on file with NPPES is 18101 Oakwood Blvd, Dearborn, MI 48124-4089.
- What is Joseph Warren's phone number?
- The practice phone number listed in the NPPES registry for Joseph Warren is (313) 593-7000.
- 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 (1104805944) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.