Leonard Jones, M.D.
NPI 1598879082 · Psychiatry Physician · Rosemead, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Jones, M.D. is a Psychiatry Physician provider in Rosemead, CA (NPI 1598879082).
Provider details
- NPI number
- 1598879082
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A43105 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,630 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 684 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 409 | $80 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 228 | $50 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 159 | $177 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 150 | $83 |
Typical Medicare-allowed amounts for these services range $50–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 33 | 27 |
| Divalproex Sodium | 23 | 21 |
| Quetiapine Fumarate | 21 | 17 |
| Aripiprazole | 19 | 18 |
| Gabapentin | 18 | 17 |
| Escitalopram Oxalate | 16 | 14 |
| Risperidone | 14 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (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
Additional practice locations (1)
- 5353 G StChino, CA 91710-5249Phone: (909) 590-3700
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2024-06-18
- Certified
- 2023-01-09
Frequently asked questions
- What is Leonard Jones's NPI number?
- Leonard Jones's National Provider Identifier (NPI) is 1598879082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Jones's specialty?
- Leonard Jones is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Jones located?
- Leonard Jones's practice location on file with NPPES is 4619 Rosemead Blvd, Rosemead, CA 91770-1478.
- What is Leonard Jones's phone number?
- The practice phone number listed in the NPPES registry for Leonard Jones is (626) 286-1199.
- Does Leonard Jones accept Medicare?
- Leonard Jones is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Jones's NPI active?
- Yes — Leonard Jones's NPI (1598879082) is active in the NPPES registry as of the last update on 2024-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.