DR. ZACHARY MATTHEW, ISAMI NAKAO D.O.
NPI 1700171279
Emergency Medicine in Salinas, CA

Q: What is Zachary Nakao's NPI number?

The NPI number for Zachary Nakao is 1700171279. It was assigned to this individual provider in the NPPES registry on June 13, 2011.

Q: What is Zachary Nakao's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Zachary Nakao was last updated on December 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 13, 2011PECOS Enrolled

75/100

CMS Quality Rating

450 E ROMIE LN, SALINAS, CA 93901(831) 759-1840(831) 753-6286 Get Directions Write a Review

NPPES record last updated: December 8, 2014. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Dr. Zachary Matthew, Isami Nakao D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ZACHARY MATTHEW, ISAMI NAKAO D.O. (NPI 1700171279) is an individual emergency medicine provider in Salinas, California, licensed in California (20A12016) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700171279

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. ZACHARY MATTHEW, ISAMI NAKAOCredential: D.O.

Location Address450 E ROMIE LNSalinas, CA 93901-4029

Mailing AddressPo Box 2420Salinas, CA 93902-2420 · (831) 649-1000

Phone(831) 759-1840

Fax(831) 753-6286

Sole ProprietorNo

Enumeration DateJune 13, 2011

Last NPPES UpdateDecember 8, 2014

✔ NPI 1700171279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in CA · 20A12016✔ Licensed in AZ · 005621

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

450 E ROMIE LN, Salinas, CA 93901

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Zachary Matthew, Isami Nakao D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Zachary Nakao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Salinas Valley Emergency Medical Group, Inc

Same address

Emergency Medicine

450 E ROMIE LN
Salinas, CA 93901

Reassigned Medicare billing, California enrollment
37 clinicians in this Medicare group

NPI 1174552756 (831) 759-1840

Cep America - California

2.7 mi

Emergency Medicine

1441 CONSTITUTION BOULEVARD
Salinas, CA 93906

Reassigned Medicare billing, California enrollment
Also billed through NPI 1548216260 (California)
2,323 clinicians in this Medicare group

NPI 1649226077 (559) 675-5520

Chase Dennis Emergency Medical Group Inc

136 mi

Emergency Medicine

1165 MONTGOMERY DR
Santa Rosa, CA 95405

Reassigned Medicare billing, California enrollment
65 clinicians in this Medicare group

NPI 1033152350 (925) 924-1600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

195 services191 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

85 services80 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

27 services27 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$94.44 typical visit price

range $61.69 – $184.30

Typical copayment $23.61 (range $15.42 – $46.07)

Most-billed visit code 99203

Established Patient

$108.04 typical visit price

range $20.34 – $151.02

Typical copayment $27.01 (range $5.08 – $37.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RACHEL BOJKA PA-C

Physician Assistant