DR. MASAKI NAGAMINE MD
NPI 1144751660
Psychiatry & Neurology - Vascular Neurology in Orange, CA

Active since March 26, 2017PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
101 THE CITY DR S, 400, ORANGE, CA 92868(714) 456-5691 Get Directions Write a Review

NPPES record last updated: September 4, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 4, 2024, Mar 21, 2023, Jan 11, 2022 and 1 more (4 updates tracked since 2017).

About Dr. Masaki Nagamine Md NPPES

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

DR. MASAKI NAGAMINE MD (NPI 1144751660) is an individual vascular neurology provider in Orange, California, licensed in California (A160415) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Human Medicine (2017).

NPPES Registry Identity

NPI1144751660
Entity TypeIndividualMale
Primary Taxonomy2084V0102X
Provider Legal NameDR. MASAKI NAGAMINECredential: MD
Location Address101 THE CITY DR S, 400Orange, CA 92868-3201
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2017
Enumeration DateMarch 26, 2017
Last NPPES UpdateSeptember 4, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2024
NPI 1144751660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084V0102X
License Licensed in CA · A160415
Definition
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License A160415 (CA)
101 THE CITY DR S, Orange, CA 92868

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Masaki Nagamine Md 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 ID7517290257
PECOS Enrollment IDI20220207000495
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.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
146 services58 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
104 services100 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services38 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
27 services26 patients
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.
27 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.4
Promoting Interoperability100
Improvement Activities40

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.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Masaki Nagamine's NPI number?

The NPI number for Masaki Nagamine is 1144751660. It was assigned to this individual provider in the NPPES registry on March 26, 2017.

Where is Masaki Nagamine located?

Masaki Nagamine practices at 101 The City Dr S 400, Orange, CA 92868. The listed phone number is (714) 456-5691.

What is Masaki Nagamine's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is Masaki Nagamine enrolled in Medicare?

Yes. Masaki Nagamine is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Masaki Nagamine was last updated on September 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.