MR. MICHAEL WILLIAM KALFOPOULOS MD
NPI 1235634320
Internal Medicine in Worcester, MA

Active since March 29, 2018PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
119 BELMONT ST, WORCESTER, MA 01605(508) 334-8515(508) 334-6490 Get Directions Write a Review

NPPES record last updated: September 2, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 2, 2022, Mar 29, 2018 (2 updates tracked since 2018).

About Mr. Michael William Kalfopoulos Md NPPES

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

MR. MICHAEL WILLIAM KALFOPOULOS MD (NPI 1235634320) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (288033) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1235634320
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. MICHAEL WILLIAM KALFOPOULOSCredential: MD
Location Address119 BELMONT STWorcester, MA 01605-2903
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Fax(508) 334-6490
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2018
Enumeration DateMarch 29, 2018
Last NPPES UpdateSeptember 2, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2022
NPI 1235634320 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 288033
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.
119 BELMONT ST, Worcester, MA 01605

Secondary Practice Locations 2

Location 155 Lake Ave NWorcester, MA 01655-0002 · Phone (083) 348-5155 · Fax (508) 334-6490
Location 2157 Union StMarlborough, MA 01752-1228 · Phone (508) 486-5678 · Fax (508) 486-5677

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. Michael William Kalfopoulos 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 ID8224387857
PECOS Enrollment IDI20220922003318
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 2

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.
382 services119 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.
91 services86 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 01605 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.

Family Medicine
119 BELMONT ST
WORCESTER, MA 01605
Internal Medicine (Rheumatology)
119 BELMONT ST
WORCESTER, MA 01605
Nurse Practitioner (Neonatal, Critical Care)
119 BELMONT ST
WORCESTER, MA 01605
Obstetrics & Gynecology (Maternal & Fetal Medicine)
119 BELMONT ST
WORCESTER, MA 01605
Nurse Practitioner
119 BELMONT ST
WORCESTER, MA 01605
Social Worker
119 BELMONT ST
WORCESTER, MA 01605
Orthopaedic Surgery
119 BELMONT ST
WORCESTER, MA 01605
Physician Assistant
119 BELMONT ST
WORCESTER, MA 01605

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 Michael Kalfopoulos's NPI number?

The NPI number for Michael Kalfopoulos is 1235634320. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Michael Kalfopoulos located?

Michael Kalfopoulos practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-8515.

What is Michael Kalfopoulos's specialty?

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

Is Michael Kalfopoulos enrolled in Medicare?

Yes. Michael Kalfopoulos 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 Michael Kalfopoulos affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Michael Kalfopoulos was last updated on September 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.