Jeffrey Siu, D.O.
NPI 1174734024 · Emergency Medicine Physician · Warren, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Siu, D.O. is a Emergency Medicine Physician provider in Warren, MI (NPI 1174734024).
Provider details
- NPI number
- 1174734024
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5315023703 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
84 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 54 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 19 | $124 |
| Critical Care, First 30-74 Minutes99291 | 11 | $224 |
Typical Medicare-allowed amounts for these services range $124–$224 (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 | 28 | 28 |
| Cefadroxil | 25 | 25 |
| Doxycycline Monohydrate | 25 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 23 | 23 |
| Tizanidine Hcl | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | 17 |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Jeffrey Siu's NPI number?
- Jeffrey Siu's National Provider Identifier (NPI) is 1174734024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Siu's specialty?
- Jeffrey Siu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Siu located?
- Jeffrey Siu's practice location on file with NPPES is 13355 East Ten Mile Road, Warren, MI 48089-2065.
- What is Jeffrey Siu's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Siu is (586) 759-7690.
- Does Jeffrey Siu accept Medicare?
- Jeffrey Siu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Siu's NPI active?
- Yes — Jeffrey Siu's NPI (1174734024) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.