ROBERTO KENJI MITSUI AKAGI M.D.
NPI 1992150403
Internal Medicine - Endocrinology, Diabetes & Metabolism in Laguna Hills, CA

Q: What is Roberto Mitsui Akagi's NPI number?

The NPI number for Roberto Mitsui Akagi is 1992150403. It was assigned to this individual provider in the NPPES registry on May 3, 2016.

Q: What is Roberto Mitsui Akagi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since May 03, 2016PECOS EnrolledAccepts Medicare Assignment

82.94/100

CMS Quality Rating

23141 MOULTON PKWY #102, LAGUNA HILLS, CA 92653(949) 916-9100(949) 916-0091 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 20, 2026, Nov 18, 2021, Jul 27, 2021 and 2 more (5 updates tracked since 2016).

On this page

About Roberto Kenji Mitsui Akagi M.d. NPPES

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

ROBERTO KENJI MITSUI AKAGI M.D. (NPI 1992150403) is an individual endocrinology, diabetes & metabolism provider in Laguna Hills, California, licensed in Kentucky (55329) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with King's Daughters' Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1992150403

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameROBERTO KENJI MITSUI AKAGICredential: M.D.

Location Address23141 MOULTON PKWY #102Laguna Hills, CA 92653

Mailing Address23141 Moulton Pkwy #102Laguna Hills, CA 92653 · (949) 916-9100 · Fax (949) 916-0091

Phone(949) 916-9100

Fax(949) 916-0091

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateMay 3, 2016

Last NPPES UpdateAugust 20, 20265 updates tracked since enumeration

NPPES CertifiedAugust 20, 2026

✔ NPI 1992150403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in KY · 55329

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

23141 MOULTON PKWY #102, Laguna Hills, CA 92653

Open in Google Maps ↗

Other Identifiers 2

Medicaid0455067OH

Medicaid71007677500KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Roberto Kenji Mitsui Akagi M.d. 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 ID4082974472

PECOS Enrollment IDI20210813003171, I20260625003485

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 Roberto Mitsui Akagi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Scke, Inc

Same address

Endocrinology, Diabetes & Metabolism

23141 MOULTON PKWY STE 102
Laguna Hills, CA 92653

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

NPI 1831144104 (949) 916-9100

Kings Daughters Medical Specialties Inc

1,974 mi

Physical Medicine & Rehabilitation

1279 OLD ABBOTT MOUNTAIN RD
Prestonsburg, KY 41653

Reassigned Medicare billing, Kentucky enrollment
531 clinicians in this Medicare group

NPI 1710215736 (606) 886-1260

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 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

441 services189 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

167 services67 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

101 services101 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

94 services68 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

King's Daughters' Medical Center

Acute Care Hospitals · Ashland, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180009

Location2201 Lexington AvenueAshland, KY 41101 · Boyd County

Emergency services

Kings Daughters Medical Center Ohio

Acute Care Hospitals · Portsmouth, OH

OwnershipVoluntary non-profit - Private

CMS Certification Number360361

Location1901 Argonne RoadPortsmouth, OH 45662 · Scioto County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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.

82.94/100

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

Scored as part of a group practice

Quality

70.01

Promoting Interoperability

100

Improvement Activities

Cost

65.57

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers21 claims62 services$6.57 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

12 suppliers72 claims72 services$190.44 avg. paid by Medicare

Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554

DME-Other DME · category DE017N

10 suppliers11 claims11 services$195.69 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Roberto Mitsui Akagi's NPI number?

The NPI number for Roberto Mitsui Akagi is 1992150403. It was assigned to this individual provider in the NPPES registry on May 3, 2016.

Where is Roberto Mitsui Akagi located?

Roberto Mitsui Akagi practices at 23141 Moulton Pkwy #102, Laguna Hills, CA 92653. The listed phone number is (949) 916-9100.

What is Roberto Mitsui Akagi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Roberto Mitsui Akagi enrolled in Medicare?

Yes. Roberto Mitsui Akagi 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.

Which organizations bill Medicare for Roberto Mitsui Akagi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roberto Mitsui Akagi reassigns Medicare benefits to 2 organizations: Scke, Inc (Laguna Hills, CA) and Kings Daughters Medical Specialties Inc (Prestonsburg, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Roberto Mitsui Akagi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Roberto Mitsui Akagi accept?

Health plans from CareSource list Roberto Mitsui Akagi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Roberto Mitsui Akagi affiliated with any hospitals?

According to CMS data, Roberto Mitsui Akagi is affiliated with King's Daughters' Medical Center and Kings Daughters Medical Center Ohio.

When was this NPI record last updated?

The NPPES record for Roberto Mitsui Akagi was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.