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DR. ARTHUR M INOSHITA MD
NPI 1932105277
Internal Medicine in Ventura, CA

Active since June 22, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0857375 · Microscopy
75/100
CMS Quality Rating
3003 LOMA VISTA RD, STE B, VENTURA, CA 93003(805) 652-1520(805) 652-1588 Get Directions Write a Review

NPPES record last updated: October 18, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Arthur M Inoshita Md NPPES

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

DR. ARTHUR M INOSHITA MD (NPI 1932105277) is an individual internal medicine provider in Ventura, California, licensed in California (39112230) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through August 31, 2026, and is a graduate of University Of Arizona College Of Medicine (1975).

NPPES Registry Identity

NPI1932105277
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ARTHUR M INOSHITACredential: MD
Location Address3003 LOMA VISTA RD, STE BVentura, CA 93003-2940
Mailing Address3003 Loma Vista Rd, Ste BVentura, CA 93003-2940 · (805) 652-1520 · Fax (805) 652-1588
Phone(805) 652-1520
Fax(805) 652-1588
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1975
Enumeration DateJune 22, 2005
Last NPPES UpdateOctober 18, 2007
✔ NPI 1932105277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 39112230
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3003 LOMA VISTA RD, Ventura, CA 93003
Open in Google Maps ↗

Other Identifiers 4

Other00G336220CA · Blue Shield
Medicare ID-Type UnspecifiedG33622CA
Medicaid00G336221CA
Medicare UPINA45616CA

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. Arthur M Inoshita 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 ID6103942412
PECOS Enrollment IDI20100923001193
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0857375

Arthur M Inoshita MD · Ventura, CA
Active · expires Aug 31, 2026
CLIA Number05D0857375
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorArthur M. Inoshita
Laboratory Phone(805) 652-1520
Laboratory LocationArthur M Inoshita MD3003 Loma Vista Road, Suite B, Ventura, CA 93003
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 7

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 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.
511 services194 patients
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.
500 services195 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
306 services130 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
111 services40 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
73 services73 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
71 services70 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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

Referred Medical Equipment & Supplies CMS DME claims 5

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
11 suppliers28 claims81 services$5.49 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers41 claims41 services$61.52 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers36 claims36 services$29.86 avg. paid by Medicare
Lightweight wheelchair K0003
DME-Wheelchairs · category DD000N
2 suppliers17 claims17 services$18.41 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers15 claims15 services$6.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

MR. JOHN M EDISON M.D.
Otolaryngology
3003 LOMA VISTA RD, STE. A
VENTURA, CA 93003
Ventura County (805) 648-3081
DR. ARMIN ALAVI M.D.
Otolaryngology
3003 LOMA VISTA RD, STE A
VENTURA, CA 93003
Ventura County (805) 648-3081
DR. DONALD HUGH MACDONALD D.M.D.
Dentist (General Practice)
3003 LOMA VISTA RD, SUITE G
VENTURA, CA 93003
Ventura County (805) 653-1599

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 Arthur Inoshita's NPI number?

The NPI number for Arthur Inoshita is 1932105277. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is Arthur Inoshita located?

Arthur Inoshita practices at 3003 Loma Vista Rd Ste B, Ventura, CA 93003. The listed phone number is (805) 652-1520.

What is Arthur Inoshita's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Arthur Inoshita enrolled in Medicare?

Yes. Arthur Inoshita 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.

Does Arthur Inoshita hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0857375) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Arthur Inoshita was last updated on October 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.