Jonathan Barthelet
NPI 1811428550 · Internal Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Barthelet is a Internal Medicine Physician provider in Santa Monica, CA (NPI 1811428550).
Provider details
- NPI number
- 1811428550
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,582 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 313 | $132 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 212 | $3 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 159 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 157 | $13 |
| Thyroxine (thyroid Chemical), Free84439 | 151 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 151 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 190 | 83 |
| Rosuvastatin Calcium | 100 | 52 |
| Levothyroxine Sodium | 97 | 39 |
| Gabapentin | 73 | 33 |
| Amlodipine Besylate | 69 | 44 |
| Lorazepam | 54 | 15 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$53 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is Jonathan Barthelet's NPI number?
- Jonathan Barthelet's National Provider Identifier (NPI) is 1811428550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Barthelet's specialty?
- Jonathan Barthelet is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Barthelet located?
- Jonathan Barthelet's practice location on file with NPPES is 2121 Wilshire Blvd Ste 305, Santa Monica, CA 90403-5743.
- What is Jonathan Barthelet's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Barthelet is (310) 264-0065.
- Does Jonathan Barthelet accept Medicare?
- Jonathan Barthelet is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Barthelet's NPI active?
- Yes — Jonathan Barthelet's NPI (1811428550) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.