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Ophthalmology

Lisa R. Shammas, DO

Works at hospitals in Detroit, MI · Warren, MI · Michigan

Summary

Dr. Lisa R. Shammas, DO is an ophthalmologist at 26400 W 12 Mile Rd, Suite 60, Southfield, MI 48034. Phone: (248) 594-6702. Accepts Medicare assignment. In 2024, Lisa R. Shammas had 99 Original Medicare patients and 224 services. NPI 1952965865. 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: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 26400 W 12 Mile Rd, Suite 60, Southfield, MI 48034 · Directions (2 more locations)
  • Phone: (248) 594‑6702
  • Medicare: Accepts Medicare assignment
  • Hospitals: Harper University Hospital, Henry Ford Health Warren Hospital
  • Group practice: University Physician Group (+1 more)
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa R. Shammas, 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 R. Shammas accept Medicare assignment?
Yes. Medicare's clinician data says Lisa R. Shammas 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 R. Shammas see?
In 2024, CMS data shows 99 Original Medicare patients and 224 services for Lisa R. Shammas. This counts Original Medicare only and measures volume, not quality.
What is Lisa R. Shammas's NPI number?
1952965865. 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 R. Shammas, 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 patients99
Services billed to Medicare224
Different services or procedures19
Participating Medicare providerYes
Average age of these patients71

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)56 services
  2. Exam of visual field with extended testing (92083)36 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)35 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 services
  5. Imaging of optic nerve (92133)25 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 cholesterol73%
  • Diabetes54%
  • Arthritis53%
  • Ischemic heart disease39%
  • Chronic kidney disease29%

Hospitals where Lisa R. Shammas works

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

Group practices

Medicare enrollment lists Lisa R. Shammas as a member of these groups (CMS data updated October 2, 2026).

  • University Physician Group403 clinicians in the group
  • Henry Ford Health Macomb Oakland Hospital172 clinicians in the group

Specialties

Find other Ophthalmology doctors in Michigan →

Other ophthalmologists in Southfield

Clinicians with the same Medicare primary specialty in Southfield, MI — not a recommendation.

All ophthalmologists in Southfield →

Other clinicians in University Physician Group

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952965865
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