Dr. Jonathan Barthelet
Internal Medicine (Internal Medicine Physician)
2121 Wilshire Blvd Ste 305
Santa Monica, CA 90403
Who else practices at this address →
Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- State University of New York at Stony Brook, School of Medicine (2017)
- Years since graduation
- 9
- In the NPI registry since
- 2017
- Medicare patients seen, 2024
- 330
Licensed in California since 2019, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2017Medical school: State University of New York at Stony Brook, School of Medicine
- 2017Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Internal Medicine Physician primary
CA license A161156 (first issued 2019; current) - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Saint John's Health Center Santa Monica, CA
Medical groups
- Westside Internal Medicine (8 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 330
- Services billed
- 2,883
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 322 | 196 |
| Established patient office or other outpatient visit, 20-29 minutes | 249 | 155 |
| Established patient office or other outpatient visit, 40-54 minutes | 122 | 80 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 65 | 28 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 63 | 63 |
| Administration of influenza virus vaccine | 62 | 60 |
| Influenza vaccine split virus, preservative free | 49 | 49 |
| Administration of pneumococcal vaccine | 39 | 39 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 32 | 32 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 22 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 4 companies reported 4 payments worth $98.45 in total to this clinician.
| Cleerly, Inc. | $35.57 |
|---|---|
| AbbVie Inc. | $28.77 |
| Pfizer Inc. | $19.16 |
| Novo Nordisk Inc | $14.95 |
| Food and Beverage | $98.45 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.