Fernando Diaz, MD
Specialist · Royal Oak, MI
Fernando Diaz, MD is a specialist with a practice address in Royal Oak, Michigan, and NPI 1184610875, issued on Sep 27, 2005. Check the license (Michigan 4301040395, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fernando Diaz
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 4301040395 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3555 W 13 Mile RD Ste N220, Royal Oak, MI 48073
- Phone
- (248) 784-3667
- Enumerated
- Sep 27, 2005
- Record last updated
- Mar 27, 2025
- Fax
- (248) 869-3982
- Entity
- Type 1 · individual
8 nearest specialist records → All 772 in Michigan → Look up another NPI →
Also registered at 3555 W 13 Mile RD Ste N220
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Fernando Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4301040395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average specialist in 2024
70 Medicare Part D claims for 24 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Gabapentin28 claims
- Methocarbamol15 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): 100 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).
Industry payments in 2024: $864.14
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Fernando Diaz among 772 specialist records in Michigan
Fernando Diaz, MD is one of 772 specialist records with a practice address in Michigan. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2025 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Michigan
There are 772 specialist records in Michigan.
All 772 in Michigan → Every provider in Royal Oak → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- James Mc Cullough, M.DRoyal Oak, MI 480731679669121
- Judy McRobb, NCTMB CERTIFIEDRoyal Oak, MI 480731588796627
- John RostineKimball, MI 480741174986889
- John Speck, M.D.Berkley, MI 480721740227768
- Cristie Becker, MDSouthfield, MI 480751558399253
- Carmen Endress, MDSouthfield, MI 480751104853480
- Zarina Galaria, MDSouthfield, MI 480751659308930
- Gary Galens, MDSouthfield, MI 480751487684585
Common questions
What is Fernando Diaz, MD's NPI number?
Fernando Diaz, MD's National Provider Identifier (NPI) is 1184610875, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Fernando Diaz, MD located?
The NPPES record lists a practice address at 3555 W 13 Mile RD Ste N220, Royal Oak, MI, 48073. Phone: (248) 784-3667. Providers update this record themselves, so call before visiting.
How can I verify Fernando Diaz, MD's license?
NPPES lists Michigan license number 4301040395, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Fernando Diaz, MD prescribe under Medicare Part D?
In 2024, Fernando Diaz, MD had 70 Medicare Part D claims for 24 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Fernando Diaz, MD's MIPS final score?
The 2023 MIPS final score is 100 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.