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Internal Medicine

Lilia Routetska, MD

Works at hospitals in Boston, MA · Dover, NH · York, ME · Massachusetts, New Hampshire, Maine

Summary

Dr. Lilia Routetska, MD is an internal medicine doctor at 789 Central Ave, Dover, NH 03820. Accepts Medicare assignment. In 2024, Lilia Routetska had 556 Original Medicare patients and 1,338 services. NPI 1336340017. 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 Lilia Routetska, 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 Lilia Routetska accept Medicare assignment?
Yes. Medicare's clinician data says Lilia Routetska 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 Lilia Routetska see?
In 2024, CMS data shows 556 Original Medicare patients and 1,338 services for Lilia Routetska. This counts Original Medicare only and measures volume, not quality.
What is Lilia Routetska's NPI number?
1336340017. 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 Lilia Routetska, 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 patients556
Services billed to Medicare1,338
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)467 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)404 services
  3. Hospital discharge day management, more than 30 minutes (99239)258 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)147 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 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%
  • Arthritis57%
  • Anxiety49%
  • Ischemic heart disease44%
  • Depression44%

Hospitals where Lilia Routetska works

Medicare's Facility Affiliation Data lists Lilia Routetska 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.

  • Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
  • Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300018
  • York HospitalYork, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200020

Practice locations

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

  • 789 Central AveDover, NH 03820

Group practices

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

  • Wentworth Douglass Physician Corporation429 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in Dover

Clinicians with the same Medicare primary specialty in Dover, NH — not a recommendation.

All internal medicine doctors in Dover →

Other clinicians in Wentworth Douglass Physician Corporation

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

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336340017
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