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Internal Medicine

Marshall F. Lauer, MD

Sees patients in Collingswood, NJ · New Jersey

Summary

Dr. Marshall F. Lauer, MD is an internal medicine doctor at 414 Haddon Ave, Collingswood, NJ 08108. Phone: (856) 428-1890. Accepts Medicare assignment. In 2024, Marshall F. Lauer had 126 Original Medicare patients and 1,326 services. NPI 1306800859. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 414 Haddon Ave, Collingswood, NJ 08108 · Directions
  • Phone: (856) 428‑1890
  • Medicare: Accepts Medicare assignment
  • Group practice: Consensus Medical Group LLC
  • Medical school: graduated 1979 (47 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marshall F. Lauer, 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 Marshall F. Lauer accept Medicare assignment?
Yes. Medicare's clinician data says Marshall F. Lauer 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 Marshall F. Lauer see?
In 2024, CMS data shows 126 Original Medicare patients and 1,326 services for Marshall F. Lauer. This counts Original Medicare only and measures volume, not quality.
What is Marshall F. Lauer's NPI number?
1306800859. 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 Marshall F. Lauer, 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 patients126
Services billed to Medicare1,326
Different services or procedures23
Participating Medicare providerYes
Average age of these patients72

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)699 services
  2. Blood glucose (sugar) test performed by hand-held instrument (82962)106 services
  3. Annual depression screening, 5 to 15 minutes (G0444)79 services
  4. Smoking and tobacco use intensive counseling, 4-10 minutes (99406)72 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)70 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%
  • Arthritis52%
  • Depression48%
  • Anxiety46%
  • Diabetes36%

Practice locations

Addresses where Marshall F. Lauer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marshall F. Lauer as a member of this group (CMS data updated October 2, 2026).

  • Consensus Medical Group LLC137 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in New Jersey

Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.

All internal medicine doctors in New Jersey →

Other clinicians in Consensus Medical Group LLC

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

Clinician information

CredentialMD
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306800859
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians