Zachary Matthew, Isami Nakao, D.O.
Emergency Medicine Physician · Salinas, CA
Zachary Matthew, Isami Nakao, D.O. is an emergency medicine physician with a practice address in Salinas, California, and NPI 1700171279, issued on Jun 13, 2011. Check the license (California 20A12016, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zachary Matthew, Isami Nakao
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 20A12016 CA
005621 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 450 E Romie LN, Salinas, CA 93901
- Phone
- (831) 759-1840
- Enumerated
- Jun 13, 2011
- Record last updated
- Dec 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (831) 753-6286
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 450 E Romie LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Ayerza, PAPhysician Assistant1487326617
- Pavandeep Bagga, M.D.Anesthesiology Physician1265644629
- Surinder Bahia, M.D.Hospitalist Physician1467716530
- Richard Berkowitz, M.D.Diagnostic Radiology Physician1962593681
- Glen Berry, MDAnesthesiology Physician1407870322
Verify Zachary Matthew, Isami Nakao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average emergency medicine physician in 2024
103 Medicare Part D claims for 80 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin13 claims
- Doxycycline Monohydrate11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Zachary Matthew, Isami Nakao among 7,751 emergency medicine physician records in California
Zachary Matthew, Isami Nakao, D.O. is one of 7,751 emergency medicine 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Salinas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nanette Blair, MDSalinas, CA 939011710980289
- Eric Fajardo, MDSalinas, CA 939011265435739
- Ronald Gertsch, M.D.Salinas, CA 939011043356033
- Nikolas Greenson, M.D.Salinas, CA 939011811997737
- Erica Locke, M.DSalinas, CA 939011043530694
- Paul Marchand, M.D.Salinas, CA 939011952344186
- Theresa Marsh, MDSalinas, CA 939011437459138
- Robert Morris, M.D.Salinas, CA 939011841510468
Common questions
What is Zachary Matthew, Isami Nakao, D.O.'s NPI number?
Zachary Matthew, Isami Nakao, D.O.'s National Provider Identifier (NPI) is 1700171279, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Matthew, Isami Nakao, D.O. located?
The NPPES record lists a practice address at 450 E Romie LN, Salinas, CA, 93901. Phone: (831) 759-1840. Providers update this record themselves, so call before visiting.
How can I verify Zachary Matthew, Isami Nakao, D.O.'s license?
NPPES lists California license number 20A12016, 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 Zachary Matthew, Isami Nakao, D.O. prescribe under Medicare Part D?
In 2024, Zachary Matthew, Isami Nakao, D.O. had 103 Medicare Part D claims for 80 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Zachary Matthew, Isami Nakao, D.O.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.