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Urology

Paul D. Lafontaine, MD

Works at hospitals in W Concord, MA · Cambridge, MA · Massachusetts

Summary

Dr. Paul D. Lafontaine, MD is a urologist at 131 Old Rd To 9 Acre Cor, Concord, MA 01742. Phone: (978) 287-3835. Accepts Medicare assignment. In 2024, Paul D. Lafontaine had 431 Original Medicare patients and 674 services. NPI 1851390165. 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: Urologist (Medicare lists Urology)
  • Address: 131 Old Rd To 9 Acre Cor, Concord, MA 01742 · Directions
  • Phone: (978) 287‑3835
  • Medicare: Accepts Medicare assignment
  • Hospitals: Emerson Hospital -, Mount Auburn Hospital
  • Group practice: Emerson Practice Associates, Inc
  • Medical school: Warren Alpert Medical School Of Brown University · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Paul D. Lafontaine, 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 Paul D. Lafontaine accept Medicare assignment?
Yes. Medicare's clinician data says Paul D. Lafontaine 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 Paul D. Lafontaine see?
In 2024, CMS data shows 431 Original Medicare patients and 674 services for Paul D. Lafontaine. This counts Original Medicare only and measures volume, not quality.
What is Paul D. Lafontaine's NPI number?
1851390165. 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 Paul D. Lafontaine, 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 patients431
Services billed to Medicare674
Different services or procedures48
Participating Medicare providerYes
Average age of these patients77

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)186 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)143 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)77 services
  4. Diagnostic exam of bladder and urethra using an endoscope (52000)39 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)32 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 cholesterol74%
  • High blood pressure71%
  • Arthritis42%
  • Ischemic heart disease32%
  • Chronic kidney disease26%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%

Hospitals where Paul D. Lafontaine works

Medicare's Facility Affiliation Data lists Paul D. Lafontaine 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.

  • Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
  • Mount Auburn HospitalCambridge, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220002

Practice locations

Addresses where Paul D. Lafontaine is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Paul D. Lafontaine as a member of this group (CMS data updated October 2, 2026).

  • Emerson Practice Associates, Inc240 clinicians in the group

Specialties

Find other Urology doctors in Massachusetts →

Other urologists in Concord

Clinicians with the same Medicare primary specialty in Concord, MA — not a recommendation.

All urologists in Concord →

Other clinicians in Emerson Practice Associates, Inc

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

Clinician information

CredentialMD
Medical schoolWarren Alpert Medical School Of Brown University
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851390165
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