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Family Practice

Lisa M. Karres, DO

Works at hospitals in Newark, OH · Ohio

Summary

Dr. Lisa M. Karres, DO is a family doctor at 1930 Tamarack Rd, Newark, OH 43055. Phone: (740) 522-7600. Accepts Medicare assignment. In 2024, Lisa M. Karres had 238 Original Medicare patients and 3,855 services. NPI 1619264488. 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: 1930 Tamarack Rd, Newark, OH 43055 · Directions
  • Phone: (740) 522‑7600
  • Medicare: Accepts Medicare assignment
  • Hospital: Licking Memorial Hospital
  • Group practice: Medical and Surgical Associates Inc
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa M. Karres, 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 Lisa M. Karres accept Medicare assignment?
Yes. Medicare's clinician data says Lisa M. Karres 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 Lisa M. Karres see?
In 2024, CMS data shows 238 Original Medicare patients and 3,855 services for Lisa M. Karres. This counts Original Medicare only and measures volume, not quality.
What is Lisa M. Karres's NPI number?
1619264488. 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 Lisa M. Karres, 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 patients238
Services billed to Medicare3,855
Different services or procedures86
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. 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)454 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)402 services
  3. Insertion of needle into vein for collection of blood sample (36415)319 services
  4. Blood test, comprehensive group of blood chemicals (80053)251 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)203 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 cholesterol71%
  • Arthritis33%
  • Diabetes31%
  • Chronic kidney disease25%
  • Anxiety24%

Hospitals where Lisa M. Karres works

Medicare's Facility Affiliation Data lists Lisa M. Karres 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 Lisa M. Karres is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa M. Karres as a member of this group (CMS data updated October 2, 2026).

  • Medical and Surgical Associates Inc8 clinicians in the group

Specialties

Find other Family Practice doctors in Ohio →

Other family doctors in Newark

Clinicians with the same Medicare primary specialty in Newark, OH — not a recommendation.

All family doctors in Newark →

Other clinicians in Medical and Surgical Associates Inc

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

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619264488
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