Rodney C. Diaz, M.D.
Otolaryngology Physician · Sacramento, CA
Rodney C. Diaz, M.D. is an otolaryngology physician with a practice address in Sacramento, California, and NPI 1053354597, issued on Jun 13, 2006. Check the license (California A074869, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rodney C. Diaz
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- A074869 CA
4301083300 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2521 Stockton Blvd, Sacramento, CA 95817
- Phone
- (916) 734-3744
- Enumerated
- Jun 13, 2006
- Record last updated
- Jan 8, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (916) 703-5011
- Medicare enrollment
- Enrolled (PECOS I20060717000326); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 2521 Stockton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Debbie Aizenberg, MDOtolaryngology Physician1962486720
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Verify Rodney C. Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A074869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average otolaryngology physician in 2024
139 Medicare Part D claims for 59 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Tobramycin-Dexamethasone47 claims
- Triamterene-Hydrochlorothiazid20 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 MIPS final score for 2023 (Medicare payment program): 90.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rodney C. Diaz among 1,212 otolaryngology physician records in California
Rodney C. Diaz, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2004 among the 818 with a school on file
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Sacramento → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Debbie Aizenberg, MDSacramento, CA 958171962486720
- Jacqueline Allen, MBCHB, FRACSSacramento, CA 958171487817664
- Peter Belafsky, MD, PHDSacramento, CA 958171790768026
- Arnaud Bewley, MDSacramento, CA 958171407054182
- Paul Donald, MD, FRCS(C)Sacramento, CA 958171912989237
- Danny Enepekides, MDSacramento, CA 958171538142633
- Scott Fuller, MDSacramento, CA 958171174507180
- Maggie Kuhn, MDSacramento, CA 958171265638795
Common questions
What is Rodney C. Diaz, M.D.'s NPI number?
Rodney C. Diaz, M.D.'s National Provider Identifier (NPI) is 1053354597, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rodney C. Diaz, M.D. located?
The NPPES record lists a practice address at 2521 Stockton Blvd, Sacramento, CA, 95817. Phone: (916) 734-3744. Providers update this record themselves, so call before visiting.
How can I verify Rodney C. Diaz, M.D.'s license?
NPPES lists California license number A074869, 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 Rodney C. Diaz, M.D. prescribe under Medicare Part D?
In 2024, Rodney C. Diaz, M.D. had 139 Medicare Part D claims for 59 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Rodney C. Diaz, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 of 100. 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.