Steve S. Lee, DO
Rheumatology Physician · Fontana, CA
Steve S. Lee, DO is a rheumatology physician with a practice address in Fontana, California, and NPI 1336206358, issued on Jan 2, 2007. Check the license (California 2OA8551, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steve S. Lee
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 2OA8551 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9985 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-1000
- Enumerated
- Jan 2, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081018000007); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 9985 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anje'Le AlstonSports Medicine (Internal Medicine) Physician1356970842
- Peyman Andalib, MDStudent in an Organized Health Care Education/Training Program1104028000
- Gerald ArafolOccupational Therapist1134315666
- Lovie Jay Arguelles, PTPhysical Therapist1457472920
Verify Steve S. Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 2OA8551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average rheumatology physician in 2024
3,380 Medicare Part D claims for 637 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 130 claims were for opioids.
Most prescribed
- Methotrexate880 claims
- Hydroxychloroquine Sulfate497 claims
- Prednisone335 claims
- Leflunomide276 claims
- Mycophenolate Mofetil127 claims
- Colchicine112 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,392.31
9 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steve S. Lee among 926 rheumatology physician records in California
Steve S. Lee, DO is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2003 among the 641 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Fontana → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Antony Lin, MDFontana, CA 923351740349323
- Lilit Pilossyan, MDFontana, CA 923351356753602
- Michael Takehara, MDFontana, CA 923351194884759
- Miten Vasa, M.D.Fontana, CA 923351972769792
- Wayne Yee, MDFontana, CA 923351851449805
- Andre Lallande, D.O.Fontana, CA 923361053471045
- Farshid Bozorgnia, MDColton, CA 923241922493220
- Amir Moldovan, MDSanta Clarita, CA 923211295777837
Common questions
What is Steve S. Lee, DO's NPI number?
Steve S. Lee, DO's National Provider Identifier (NPI) is 1336206358, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steve S. Lee, DO located?
The NPPES record lists a practice address at 9985 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-1000. Providers update this record themselves, so call before visiting.
How can I verify Steve S. Lee, DO's license?
NPPES lists California license number 2OA8551, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steve S. Lee, DO prescribe under Medicare Part D?
In 2024, Steve S. Lee, DO had 3,380 Medicare Part D claims for 637 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.