JONATHAN BARTHELET
NPI 1811428550
Internal Medicine in Santa Monica, CA

Active since March 24, 2017PECOS Enrolled
2121 WILSHIRE BLVD STE 305, SANTA MONICA, CA 90403(310) 264-0065(310) 829-3424 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Nov 13, 2025, Apr 17, 2024, Oct 7, 2020 and 1 more (4 updates tracked since 2017).

About Jonathan Barthelet NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JONATHAN BARTHELET (NPI 1811428550) is an individual internal medicine provider in Santa Monica, California, licensed in California (A161156) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2017).

NPPES Registry Identity

NPI1811428550
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJONATHAN BARTHELET
Location Address2121 WILSHIRE BLVD STE 305Santa Monica, CA 90403-5743
Mailing Address2121 Wilshire Blvd Ste 305Santa Monica, CA 90403-5743 · (310) 264-0065 · Fax (310) 829-3424
Fax(310) 829-3424
Sole ProprietorYes
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 2017
Enumeration DateMarch 24, 2017
Last NPPES UpdateNovember 13, 20254 updates tracked since enumeration
NPPES CertifiedNovember 13, 2025
✔ NPI 1811428550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A161156
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2121 WILSHIRE BLVD STE 305, Santa Monica, CA 90403

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Barthelet is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5799117925
PECOS Enrollment IDI20200615001219
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
313 services236 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
212 services153 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
159 services138 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
157 services141 patients
Thyroxine (thyroid chemical), free 84439
The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.
151 services135 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
151 services135 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Barthelet's NPI number?

The NPI number for Jonathan Barthelet is 1811428550. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Jonathan Barthelet located?

Jonathan Barthelet practices at 2121 Wilshire Blvd Ste 305, Santa Monica, CA 90403. The listed phone number is (310) 264-0065.

What is Jonathan Barthelet's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jonathan Barthelet enrolled in Medicare?

Yes. Jonathan Barthelet is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jonathan Barthelet was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.