Michelle Charfen, M.D.
NPI 1588602486 · Emergency Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Charfen, M.D. is a Emergency Medicine Physician provider in Santa Monica, CA (NPI 1588602486).
Provider details
- NPI number
- 1588602486
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A81309 (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
20 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
1,212 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 263 | $138 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 181 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 131 | $35 |
| X-Ray of Chest, 2 Views71046 | 105 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 99 | $179 |
| Automated Urinalysis Test81003 | 71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 75 | 74 |
| Doxycycline Hyclate | 65 | 65 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 46 | 46 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 42 | 41 |
| Prednisone | 37 | 33 |
| Fluticasone Propionate | 31 | 31 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2012-09-19
Frequently asked questions
- What is Michelle Charfen's NPI number?
- Michelle Charfen's National Provider Identifier (NPI) is 1588602486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Charfen's specialty?
- Michelle Charfen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Charfen located?
- Michelle Charfen's practice location on file with NPPES is 1250 16th St, Santa Monica, CA 90404-1249.
- What is Michelle Charfen's phone number?
- The practice phone number listed in the NPPES registry for Michelle Charfen is (310) 319-4000.
- Does Michelle Charfen accept Medicare?
- Michelle Charfen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Charfen's NPI active?
- Yes — Michelle Charfen's NPI (1588602486) is active in the NPPES registry as of the last update on 2012-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.