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Family Practice

Elena Kazlo, DO

Works at hospitals in Wynnewood, PA · Pennsylvania

Summary

Dr. Elena Kazlo, DO is a family doctor at 1020 Baltimore Pike, Suite 100, Glen Mills, PA 19342. Phone: (484) 421-1669. Accepts Medicare assignment. In 2024, Elena Kazlo had 424 Original Medicare patients and 748 services. NPI 1548641889. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1020 Baltimore Pike, Suite 100, Glen Mills, PA 19342 · Directions (1 more location)
  • Phone: (484) 421‑1669
  • Medicare: Accepts Medicare assignment
  • Hospital: Main Line Hospital Lankenau
  • Group practice: Main Line Healthcare
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elena Kazlo, 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 Elena Kazlo accept Medicare assignment?
Yes. Medicare's clinician data says Elena Kazlo 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 Elena Kazlo see?
In 2024, CMS data shows 424 Original Medicare patients and 748 services for Elena Kazlo. This counts Original Medicare only and measures volume, not quality.
What is Elena Kazlo's NPI number?
1548641889. 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 Elena Kazlo, 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 patients424
Services billed to Medicare748
Different services or procedures43
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)208 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)89 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)76 services
  4. Urinalysis, manual test (81002)53 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)47 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 pressure68%
  • Arthritis50%
  • Ischemic heart disease32%
  • Anxiety27%
  • Osteoporosis27%

Hospitals where Elena Kazlo works

Medicare's Facility Affiliation Data lists Elena Kazlo 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.

  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195

Practice locations

Addresses where Elena Kazlo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elena Kazlo as a member of this group (CMS data updated October 2, 2026).

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Glen Mills

Clinicians with the same Medicare primary specialty in Glen Mills, PA — not a recommendation.

All family doctors in Glen Mills →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548641889
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