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DR. ROBERT K FERGUSON M.D.
NPI 1609857135
Internal Medicine in Millbury, MA

Active since November 10, 2005PECOS Enrolled
65 CANAL ST, MILLBURY, MA 01527(508) 865-9960 Get Directions Write a Review

NPPES record last updated: April 23, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Robert K Ferguson M.d. NPPES

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

DR. ROBERT K FERGUSON M.D. (NPI 1609857135) is an individual internal medicine provider in Millbury, Massachusetts, licensed in Massachusetts (57431) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609857135
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT K FERGUSONCredential: M.D.
Location Address65 CANAL STMillbury, MA 01527-3266
Mailing AddressPo Box 415348Boston, MA 02241-5348
Phone(508) 865-9960
Sole ProprietorNo
Enumeration DateNovember 10, 2005
Last NPPES UpdateApril 23, 2009
✔ NPI 1609857135 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 · 57431
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.
65 CANAL ST, Millbury, MA 01527
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Other Identifiers 3

Medicare PINMX4728MA
Medicare UPINB74847MA
Medicaid3019837MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert K Ferguson 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.

Medicare Billing Reassignment

Medicare enrollment records show Robert Ferguson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc
5.4 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01527 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 8

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

DR. SUSAN P MORAN M.D.
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
DR. ANILA ZAINAB MEDINA M.D., M.P.H
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
DR. SAMSON H HANKA M.D.
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
EMILY CHANG M.D.
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
MARY K. WENDEL MD
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
VALERIE B VERIDIANO MD
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
KAVITHA NUTAKKI MD
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960
DR. WILLIAM T O'CONNOR M.D.
Internal Medicine
65 CANAL ST
MILLBURY, MA 01527
Worcester County (508) 865-9960

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 Robert Ferguson's NPI number?

The NPI number for Robert Ferguson is 1609857135. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Robert Ferguson located?

Robert Ferguson practices at 65 Canal St, Millbury, MA 01527. The listed phone number is (508) 865-9960.

What is Robert Ferguson's specialty?

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

Is Robert Ferguson enrolled in Medicare?

Yes. Robert Ferguson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Ferguson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Ferguson reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Robert Ferguson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Ferguson was last updated on April 23, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.