MR. KIMIYOSHI JAMES KOBAYASHI M.D.
NPI 1477793487
Internal Medicine in Worcester, MA

Active since March 03, 2009PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-8515(508) 334-6490 Get Directions Write a Review

NPPES record last updated: November 4, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 4, 2020, Jul 24, 2020, Jul 4, 2020 and 1 more (4 updates tracked since 2017).

About Mr. Kimiyoshi James Kobayashi M.d. NPPES

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

MR. KIMIYOSHI JAMES KOBAYASHI M.D. (NPI 1477793487) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (253076) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1477793487
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. KIMIYOSHI JAMES KOBAYASHICredential: M.D.
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Fax(508) 334-6490
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2010
Enumeration DateMarch 3, 2009
Last NPPES UpdateNovember 4, 20204 updates tracked since enumeration
NPPES CertifiedNovember 4, 2020
NPI 1477793487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in MA · 253076 Licensed in MD · D84140
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.
55 LAKE AVE N, Worcester, MA 01655

Secondary Practice Location 1

Location 1600 N Wolfe St Fl 2Baltimore, MD 21287-0005 · Phone (410) 502-9236 · Fax (410) 502-0923

Other Identifiers 1

Medicaid1202154MA

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

Mr. Kimiyoshi James Kobayashi 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 ID3274793112
PECOS Enrollment IDI20130628000058
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

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.
43 services15 patients

Hospital Affiliations CMS Care Compare

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

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

97.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.09
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.

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655

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 Kimiyoshi Kobayashi's NPI number?

The NPI number for Kimiyoshi Kobayashi is 1477793487. It was assigned to this individual provider in the NPPES registry on March 3, 2009.

Where is Kimiyoshi Kobayashi located?

Kimiyoshi Kobayashi practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-8515.

What is Kimiyoshi Kobayashi's specialty?

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

Is Kimiyoshi Kobayashi enrolled in Medicare?

Yes. Kimiyoshi Kobayashi 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.

Is Kimiyoshi Kobayashi affiliated with any hospitals?

According to CMS data, Kimiyoshi Kobayashi is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Kimiyoshi Kobayashi was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.