James Conrad Contreras
NPI 1033586870 · Family Nurse Practitioner · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Conrad Contreras is a Family Nurse Practitioner provider in Los Angeles, CA (NPI 1033586870).
Provider details
- NPI number
- 1033586870
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95002655 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
3,749 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 1,083 | $68 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 725 | $110 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 703 | $57 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 262 | $67 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 204 | $97 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 198 | 29 |
| Quetiapine Fumarate | 153 | 20 |
| Amlodipine Besylate | 145 | 24 |
| Pantoprazole Sodium | 106 | 21 |
| Levothyroxine Sodium | 105 | 22 |
| Mirtazapine | 96 | 15 |
| Donepezil Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-08-27
- Last updated
- 2024-04-02
- Certified
- 2024-04-02
Frequently asked questions
- What is James Conrad Contreras's NPI number?
- James Conrad Contreras's National Provider Identifier (NPI) is 1033586870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Conrad Contreras's specialty?
- James Conrad Contreras is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Conrad Contreras located?
- James Conrad Contreras's practice location on file with NPPES is 4619 Rosewood Ave, Los Angeles, CA 90004-1888.
- What is James Conrad Contreras's phone number?
- The practice phone number listed in the NPPES registry for James Conrad Contreras is (646) 675-1650.
- Does James Conrad Contreras accept Medicare?
- James Conrad Contreras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Conrad Contreras's NPI active?
- Yes — James Conrad Contreras's NPI (1033586870) is active in the NPPES registry as of the last update on 2024-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.