Steve Lee, DO
NPI 1336206358 · Rheumatology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steve Lee, DO is a Rheumatology Physician provider in Fontana, CA (NPI 1336206358).
Provider details
- NPI number
- 1336206358
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2OA8551 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 880 | 291 |
| Hydroxychloroquine Sulfate | 497 | 192 |
| Prednisone | 335 | 111 |
| Leflunomide | 276 | 90 |
| Mycophenolate Mofetil | 127 | 37 |
| Colchicine | 112 | 46 |
| Adalimumab-Attobrand: Amjevita(cf) Autoinjector | 104 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,392 across 9 records (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
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2021-12-06
Frequently asked questions
- What is Steve Lee's NPI number?
- Steve Lee's National Provider Identifier (NPI) is 1336206358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steve Lee's specialty?
- Steve Lee is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Steve Lee located?
- Steve Lee's practice location on file with NPPES is 9985 Sierra Ave, Fontana, CA 92335-6720.
- What is Steve Lee's phone number?
- The practice phone number listed in the NPPES registry for Steve Lee is (909) 427-1000.
- Does Steve Lee accept Medicare?
- Steve Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steve Lee's NPI active?
- Yes — Steve Lee's NPI (1336206358) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.