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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL CHRISTAKIS M.D.
NPI 1619914835
Internal Medicine in Worcester, MA

Active since May 31, 2006PECOS Enrolled
605 LINCOLN STREET, WORCESTER VA OUTPATIENT CLINIC, WORCESTER, MA 01605(508) 856-0104 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Michael Christakis M.d. NPPES

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

MICHAEL CHRISTAKIS M.D. (NPI 1619914835) is an individual internal medicine provider in Worcester, Massachusetts, licensed in Massachusetts (77603) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619914835
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL CHRISTAKISCredential: M.D.
Location Address605 LINCOLN STREET, WORCESTER VA OUTPATIENT CLINICWorcester, MA 01605
Mailing Address50 Wickaboag Valley RdWest Brookfield, MA 01585-2846 · (508) 856-0104
Phone(508) 856-0104
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619914835 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 · 77603
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.
605 LINCOLN STREET, Worcester, MA 01605
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Christakis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Other Providers at the Same Location NPPES

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

DR. LORRAINE ANN CAVALLARO PH.D.
Psychologist (Clinical)
605 LINCOLN STREET, DEPARTMENT OF VETERANS AFFAIRS OUTPATIENT CLINIC
WORCESTER, MA 01605
Worcester County (508) 856-0104

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 Christakis's NPI number?

The NPI number for Michael Christakis is 1619914835. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Michael Christakis located?

Michael Christakis practices at 605 Lincoln Street Worcester VA Outpatient Clinic, Worcester, MA 01605. The listed phone number is (508) 856-0104.

What is Michael Christakis's specialty?

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

Is Michael Christakis enrolled in Medicare?

Yes. Michael Christakis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michael Christakis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.