Michael Joseph Nieto, M.D.
Pediatric Sports Medicine Physician · Orange, CA
Michael Joseph Nieto, M.D. is a pediatric sports medicine physician with a practice address in Orange, California, and NPI 1861848947, issued on May 9, 2016. Check the license (California A168679, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph Nieto
- Credential
- M.D.
- Primary taxonomy
- Pediatric Sports Medicine Physician 2080S0010X
- License number
- A168679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 S Main St Ste 200, Orange, CA 92868
- Phone
- (714) 634-4567
- Enumerated
- May 9, 2016
- Record last updated
- Jul 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200721000542); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest pediatric sports medicine physician records → All 20 in California → Look up another NPI →
Also registered at 280 S Main St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Bagley, NP-C, RNFAFamily Nurse Practitioner1497274872
- Leslie Cardoza, PA-C, ATCPhysician Assistant1861841561
- Nathan Dedic, M.S., PA-CPhysician Assistant1740560382
- Arturo Gonzalez, PA-CPhysician Assistant1801499231
Verify Michael Joseph Nieto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average pediatric sports medicine physician in 2024
547 Medicare Part D claims for 258 beneficiaries, against an average of 164 among the 62 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Meloxicam294 claims
- Gabapentin62 claims
- Methylprednisolone42 claims
- Hydrocodone-Acetaminophen38 claims
- Celecoxib29 claims
- Tramadol Hcl23 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 52.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Orthopaedic Specialty Institute Medical Group OF Orange CountyIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Joseph Nieto among 20 pediatric sports medicine physician records in California
Michael Joseph Nieto, M.D. is one of 20 pediatric sports medicine physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 10% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080S0010X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Sports Medicine Physician providers in California
There are 20 pediatric sports medicine physician records in California.
All 20 in California → Every provider in Orange → Pediatric Sports Medicine Physician nationwide →
The 8 pediatric sports medicine physician records with the nearest ZIP codes
- Kelly Davis, MDOrange, CA 928681316213382
- Chris Koutures, MD, FAAPAnaheim, CA 928071689608655
- Paul Stricker, M.D.San Diego, CA 921301992763676
- Yu-Tsun Cheng, M.D.San Diego, CA 921231992982854
- Joshua Wathen, M.D.National City, CA 919501528590510
- Mark WarshawSan Francisco, CA 941031790929396
- Linda Harris, DOPalo Alto, CA 943011033122114
- Sally Harris, MDPalo Alto, CA 943011205980190
Common questions
What is Michael Joseph Nieto, M.D.'s NPI number?
Michael Joseph Nieto, M.D.'s National Provider Identifier (NPI) is 1861848947, issued on May 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph Nieto, M.D. located?
The NPPES record lists a practice address at 280 S Main St Ste 200, Orange, CA, 92868. Phone: (714) 634-4567. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph Nieto, M.D.'s license?
NPPES lists California license number A168679, 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 Michael Joseph Nieto, M.D. prescribe under Medicare Part D?
In 2024, Michael Joseph Nieto, M.D. had 547 Medicare Part D claims for 258 beneficiaries; the average among pediatric sports medicine physician prescribers was 164. Part D covers Medicare prescriptions only.
What is Michael Joseph Nieto, M.D.'s MIPS final score?
The 2023 MIPS final score is 52.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.