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Internal Medicine

Daniel F. Guarderas Paredes, MD

Works at hospitals in Burlington, MA · Salem, MA · Beverly, MA · Massachusetts

Summary

Dr. Daniel F. Guarderas Paredes, MD is an internal medicine doctor at 15 Railroad Ave, South Hamilton, MA 01982. Phone: (978) 468-7381. Accepts Medicare assignment. In 2024, Daniel F. Guarderas Paredes had 311 Original Medicare patients and 337 services. NPI 1306297411. 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 Daniel F. Guarderas Paredes, 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 Daniel F. Guarderas Paredes accept Medicare assignment?
Yes. Medicare's clinician data says Daniel F. Guarderas Paredes 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 Daniel F. Guarderas Paredes see?
In 2024, CMS data shows 311 Original Medicare patients and 337 services for Daniel F. Guarderas Paredes. This counts Original Medicare only and measures volume, not quality.
What is Daniel F. Guarderas Paredes's NPI number?
1306297411. 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 Daniel F. Guarderas Paredes, 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 patients311
Services billed to Medicare337
Different services or procedures7
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)216 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)79 services
  3. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)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%
  • Arthritis64%
  • Anxiety53%
  • Ischemic heart disease52%
  • Depression51%

Hospitals where Daniel F. Guarderas Paredes works

Medicare's Facility Affiliation Data lists Daniel F. Guarderas Paredes 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 Daniel F. Guarderas Paredes is enrolled with Medicare (CMS data updated October 2, 2026).

  • 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
  • 29 Mall RdBurlington, MA 01805
  • 41 Mall RdBurlington, MA 01805

Group practices

Medicare enrollment lists Daniel F. Guarderas Paredes as a member of these groups (CMS data updated October 2, 2026).

  • Lahey Clinic Inc1,381 clinicians in the group
  • Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in South Hamilton

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

All internal medicine doctors in South Hamilton →

Other clinicians in Lahey Clinic Inc

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306297411
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