James Hart, M.D.
NPI 1134408057 · Hospitalist Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hart, M.D. is a Hospitalist Physician provider in La Jolla, CA (NPI 1134408057).
Provider details
- NPI number
- 1134408057
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A121172 (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
14 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
784 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 35 Minutes99232 | 499 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 142 | $118 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 63 | $132 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 48 | $50 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 17 | $121 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-09
- Last updated
- 2019-01-25
Frequently asked questions
- What is James Hart's NPI number?
- James Hart's National Provider Identifier (NPI) is 1134408057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hart's specialty?
- James Hart is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is James Hart located?
- James Hart's practice location on file with NPPES is 10666 N Torrey Pines Rd, La Jolla, CA 92037-1027.
- What is James Hart's phone number?
- The practice phone number listed in the NPPES registry for James Hart is (858) 554-9100.
- Does James Hart accept Medicare?
- James Hart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hart's NPI active?
- Yes — James Hart's NPI (1134408057) is active in the NPPES registry as of the last update on 2019-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.