John Elliott, MD
NPI 1043224280 · Emergency Medicine Physician · Mill Valley, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Elliott, MD is a Emergency Medicine Physician provider in Mill Valley, CA (NPI 1043224280).
Provider details
- NPI number
- 1043224280
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C40989 (CA)
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
1,338 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 241 | $114 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 200 | $9 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 146 | $139 |
| Critical Care, First 30-74 Minutes99291 | 124 | $225 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 116 | $181 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 88 | 84 |
| Cephalexin | 86 | 85 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 54 | 53 |
| Mupirocin | 48 | 46 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 36 | 33 |
| Ciprofloxacin Hcl | 31 | 30 |
| Prednisone | 31 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is John Elliott's NPI number?
- John Elliott's National Provider Identifier (NPI) is 1043224280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Elliott's specialty?
- John Elliott is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Elliott located?
- John Elliott's practice location on file with NPPES is 750 Redwood Hwy Frontage Rd Ste 1204, Mill Valley, CA 94941-2483.
- What is John Elliott's phone number?
- The practice phone number listed in the NPPES registry for John Elliott is (415) 384-4778.
- Does John Elliott accept Medicare?
- John Elliott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Elliott's NPI active?
- Yes — John Elliott's NPI (1043224280) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.