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Internal Medicine

Kathryn M. Deanzeris, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Newton, MA · Massachusetts

Summary

Dr. Kathryn M. Deanzeris, MD is an internal medicine doctor at 2600 Compass Rd, Glenview, IL 60026. Phone: (781) 235-1224. Accepts Medicare assignment. In 2024, Kathryn M. Deanzeris had 166 Original Medicare patients and 1,641 services. NPI 1922056035. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn M. Deanzeris, 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 Kathryn M. Deanzeris accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn M. Deanzeris 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 Kathryn M. Deanzeris see?
In 2024, CMS data shows 166 Original Medicare patients and 1,641 services for Kathryn M. Deanzeris. This counts Original Medicare only and measures volume, not quality.
What is Kathryn M. Deanzeris's NPI number?
1922056035. 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 Kathryn M. Deanzeris, 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 patients166
Services billed to Medicare1,641
Different services or procedures39
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)418 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)305 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)180 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)134 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)113 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 cholesterol75%
  • High blood pressure62%
  • Arthritis54%
  • Anxiety33%
  • Osteoporosis33%
  • Ischemic heart disease31%

Hospitals where Kathryn M. Deanzeris works

Medicare's Facility Affiliation Data lists Kathryn M. Deanzeris 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.

Practice locations

Addresses where Kathryn M. Deanzeris is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2600 Compass RdGlenview, IL 60026
  • 40 Walnut St, Suite 201Wellesley, MA 02481 (781) 235‑1224

Group practices

Medicare enrollment lists Kathryn M. Deanzeris as a member of these groups (CMS data updated October 2, 2026).

  • Select Rehabilitation, LLC2,046 clinicians in the group
  • Newton Wellesley Primary Care P C8 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Glenview

Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.

All internal medicine doctors in Glenview →

Other clinicians in Select Rehabilitation, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922056035
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