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Vascular Surgery

Kathleen O. Maxfield, MD

Works at hospitals in Danbury, CT · Connecticut

Summary

Dr. Kathleen O. Maxfield, MD is a vascular surgeon at 41 Germantown Rd, Danbury, CT 06810. Accepts Medicare assignment. In 2024, Kathleen O. Maxfield had 1,077 Original Medicare patients and 2,234 services. NPI 1386783371. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 41 Germantown Rd, Danbury, CT 06810 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Danbury Hospital
  • Medical school: University Of Washington School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen O. Maxfield, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kathleen O. Maxfield accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen O. Maxfield accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kathleen O. Maxfield see?
In 2024, CMS data shows 1,077 Original Medicare patients and 2,234 services for Kathleen O. Maxfield. This counts Original Medicare only and measures volume, not quality.
What is Kathleen O. Maxfield's NPI number?
1386783371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kathleen O. Maxfield, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,077
Services billed to Medicare2,234
Different services or procedures110
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Ultrasound study of arm or leg veins with compression and maneuvers (93970)297 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)288 services
  3. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)256 services
  4. Ultrasound of both sides of head and neck blood flow (93880)204 services
  5. Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes (99153)79 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis53%
  • Ischemic heart disease46%
  • Diabetes38%
  • Chronic kidney disease35%

Hospitals where Kathleen O. Maxfield works

Medicare's Facility Affiliation Data lists Kathleen O. Maxfield at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033

Practice locations

Addresses where Kathleen O. Maxfield is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Vascular Surgery doctors in Connecticut →

Other vascular surgeons in Danbury

Clinicians with the same Medicare primary specialty in Danbury, CT — not a recommendation.

All vascular surgeons in Danbury →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1386783371
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians