MICHAEL NASH NP
NPI 1033561444
Nurse Practitioner - Psychiatric/Mental Health in Irvine, CA

Q: What is Michael Nash's NPI number?

The NPI number for Michael Nash is 1033561444. It was assigned to this individual provider in the NPPES registry on July 9, 2016.

Q: What is Michael Nash's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Michael Nash was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 July 09, 2016PECOS EnrolledAccepts Medicare Assignment

94.62/100

CMS Quality Rating

19712 MACARTHUR BLVD STE 110, IRVINE, CA 92612(888) 508-5006(714) 923-7884 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 28, 2026, Jul 19, 2026, Jun 6, 2024 and 2 more (5 updates tracked since 2016).

On this page

About Michael Nash Np NPPES

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

MICHAEL NASH NP (NPI 1033561444) is an individual psychiatric/mental health provider in Irvine, California, licensed in California (95004514) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Newport Beach, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1033561444

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameMICHAEL NASHCredential: NP

Location Address19712 MACARTHUR BLVD STE 110Irvine, CA 92612-2407

Mailing Address19712 Macarthur Blvd Ste 110Irvine, CA 92612-2407 · (888) 508-5006 · Fax (714) 923-7884

Phone(888) 508-5006

Fax(714) 923-7884

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJuly 9, 2016

Last NPPES UpdateJuly 28, 20265 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1033561444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

Licenses✔ Licensed in CA · 95004514✔ Licensed in MT · NUR-APRN-LIC-176318✔ Licensed in AZ · 303860

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 303860 (AZ), NUR-APRN-LIC-176318 (MT), 95004514 (CA)

19712 MACARTHUR BLVD STE 110, Irvine, CA 92612

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Secondary Practice Location 1

Location 11 Hoag DrNewport Beach, CA 92663-4162 · Phone (949) 764-8376

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Nash Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072809664

PECOS Enrollment IDI20160908000140

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 Michael Nash reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Physicians Of Orange County

4.5 mi

Emergency Medicine

1 HOAG DR
Newport Beach, CA 92663

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

NPI 1912771569 (949) 764-4624

Newport Emergency Medical Group Inc

4.5 mi

Medical Specialty

1 HOAG DR, ECU DEPT.
Newport Beach, CA 92663

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

NPI 1922061779 (949) 764-5689

Cep America-California

6.2 mi

Emergency Medicine

9920 TALBERT AVE
Fountain Valley, CA 92708

Reassigned Medicare billing, California enrollment
Also billed through NPI 1386750578 (California)
1,204 clinicians in this Medicare group

NPI 1093756173 (714) 378-7535

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 3

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.

93 services92 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.

67 services64 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92612 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

94.62/100

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

Scored as part of a group practice

Quality

76.67

Improvement Activities

Cost

97.14

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.

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