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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.

CHARLES K. BRUMMER M.D.
NPI 1730159963
Family Medicine in Northampton, MA

Active since January 23, 2006Opted out of Medicare · through Oct 1, 2026
94 KING ST, NORTHAMPTON, MA 01060(413) 585-8880(413) 585-8879 Get Directions Write a Review

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

About Charles K. Brummer M.d. NPPES

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

CHARLES K. BRUMMER M.D. (NPI 1730159963) is an individual family medicine provider in Northampton, Massachusetts, licensed in Massachusetts (052204) and active in the NPI registry since January 2006. He has opted out of Medicare through October 1, 2026.

NPPES Registry Identity

NPI1730159963
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameCHARLES K. BRUMMERCredential: M.D.
Location Address94 KING STNorthampton, MA 01060-3284
Mailing Address94 King StNorthampton, MA 01060-3284 · (413) 585-8880 · Fax (413) 585-8879
Phone(413) 585-8880
Fax(413) 585-8879
Sole ProprietorNo
Enumeration DateJanuary 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1730159963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MA · 052204
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
94 KING ST, Northampton, MA 01060
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Other Identifiers 2

OtherJ02865MA · Blue Cross And Blue Shiel
Other771181MA · Tufts Health Plan

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Charles K. Brummer M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2012 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2012
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01060 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
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 16

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

ELLEN SAXE MSW, LICSW
Social Worker (Clinical)
94 KING ST, SUITE 3A
NORTHAMPTON, MA 01060
Hampshire County (413) 585-8785
MS. MICHELLE M. MARCHESE LICSW
Social Worker (Clinical)
94 KING ST
NORTHAMPTON, MA 01060
Hampshire County (508) 496-8643
MS. KERRY A LUSIGNAN MA LMHC
Counselor (Mental Health)
94 KING ST, 2D
NORTHAMPTON, MA 01060
Hampshire County (413) 626-4707
JOSHUA B. VAJCOVEC L. AC.
Acupuncturist
94 KING ST, SUITE 2C
NORTHAMPTON, MA 01060
Hampshire County (413) 923-8355
STEPHANE JACOBUS PH.D.
Psychologist (Clinical)
94 KING ST
NORTHAMPTON, MA 01060
Hampshire County (413) 437-6174
SUZANNE M LA ROCHELLE MSW, LICSW
Social Worker (Clinical)
94 KING ST
NORTHAMPTON, MA 01060
Hampshire County (413) 582-1477
MS. MARGUERITE ANN KELLY LICSW
Social Worker
94 KING ST
NORTHAMPTON, MA 01060
Hampshire County (413) 695-7084
DONNA GILMAN, PSY.D.
Psychologist (Clinical)
94 KING ST
NORTHAMPTON, MA 01060
Hampshire County (413) 687-7681

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 Charles Brummer's NPI number?

The NPI number for Charles Brummer is 1730159963. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Charles Brummer located?

Charles Brummer practices at 94 King St, Northampton, MA 01060. The listed phone number is (413) 585-8880.

What is Charles Brummer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Charles Brummer enrolled in Medicare?

No. Charles Brummer has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Charles Brummer 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 33 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.