Justin Peterson, MD
NPI 1285165472 · Hospitalist Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Peterson, MD is a Hospitalist Physician provider in Santa Monica, CA (NPI 1285165472).
Provider details
- NPI number
- 1285165472
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A172800 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
671 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 248 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 80 | $119 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 74 | $31 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 69 | $179 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 57 | $14 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 |
Practice location
Mailing address
Additional practice locations (1)
- 757 Westwood Plz # 7501Los Angeles, CA 90095-2308Phone: (310) 267-9643Fax: (310) 267-3840
Registry dates
- Enumerated
- 2017-03-21
- Last updated
- 2021-06-30
- Certified
- 2021-06-30
Frequently asked questions
- What is Justin Peterson's NPI number?
- Justin Peterson's National Provider Identifier (NPI) is 1285165472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Peterson's specialty?
- Justin Peterson is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Peterson located?
- Justin Peterson's practice location on file with NPPES is 1250 16th St # C2304, Santa Monica, CA 90404-1249.
- What is Justin Peterson's phone number?
- The practice phone number listed in the NPPES registry for Justin Peterson is (310) 319-4698.
- Does Justin Peterson accept Medicare?
- Justin Peterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Peterson's NPI active?
- Yes — Justin Peterson's NPI (1285165472) is active in the NPPES registry as of the last update on 2021-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.