Margaux Snider, M.D.
NPI 1659538999 · Emergency Medicine Physician · Emeryville, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaux Snider, M.D. is a Emergency Medicine Physician provider in Emeryville, CA (NPI 1659538999).
Provider details
- NPI number
- 1659538999
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C70004094 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
865 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 | 362 | $178 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 253 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 99 | $123 |
| Critical Care, First 30-74 Minutes99291 | 52 | $219 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 47 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 41 | 41 |
| Cephalexin | 38 | 37 |
| Prednisone | 30 | 30 |
| Oxycodone Hcl | 27 | 27 |
| Doxycycline Monohydrate | 19 | 19 |
| Tramadol Hcl | 18 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 345 S Halcyon RdArroyo Grande, CA 93420-3817Phone: (302) 635-0813
Registry dates
- Enumerated
- 2008-05-22
- Last updated
- 2023-01-11
- Certified
- 2023-01-11
Frequently asked questions
- What is Margaux Snider's NPI number?
- Margaux Snider's National Provider Identifier (NPI) is 1659538999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaux Snider's specialty?
- Margaux Snider is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaux Snider located?
- Margaux Snider's practice location on file with NPPES is 2100 Powell St Ste 400, Emeryville, CA 94608-1872.
- What is Margaux Snider's phone number?
- The practice phone number listed in the NPPES registry for Margaux Snider is (510) 851-7501.
- Does Margaux Snider accept Medicare?
- Margaux Snider is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaux Snider's NPI active?
- Yes — Margaux Snider's NPI (1659538999) is active in the NPPES registry as of the last update on 2023-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.