Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Nicole C. Holguin, MD

Works at hospitals in Cambridge, MA · Massachusetts

Summary

Dr. Nicole C. Holguin, MD is an internal medicine doctor at 103 Garland St, Everett, MA 02149. Phone: (617) 389-6270. Accepts Medicare assignment. In 2024, Nicole C. Holguin had 176 Original Medicare patients and 418 services. NPI 1881823169. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 103 Garland St, Everett, MA 02149 · Directions (1 more location)
  • Phone: (617) 389‑6270
  • Medicare: Accepts Medicare assignment
  • Hospital: Cambridge Health Alliance
  • Group practice: Cambridge Public Health Commission
  • Medical school: University Of Massachusetts Medical School · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nicole C. Holguin, 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 Nicole C. Holguin accept Medicare assignment?
Yes. Medicare's clinician data says Nicole C. Holguin 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 Nicole C. Holguin see?
In 2024, CMS data shows 176 Original Medicare patients and 418 services for Nicole C. Holguin. This counts Original Medicare only and measures volume, not quality.
What is Nicole C. Holguin's NPI number?
1881823169. 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 Nicole C. Holguin, 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 patients176
Services billed to Medicare418
Different services or procedures8
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)225 services
  2. Hospital discharge day management, more than 30 minutes (99239)127 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)24 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)18 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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%
  • Ischemic heart disease53%
  • Anxiety53%
  • Diabetes47%
  • Depression47%

Hospitals where Nicole C. Holguin works

Medicare's Facility Affiliation Data lists Nicole C. Holguin 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 Nicole C. Holguin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicole C. Holguin as a member of this group (CMS data updated October 2, 2026).

  • Cambridge Public Health Commission656 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Everett

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

All internal medicine doctors in Everett →

Other clinicians in Cambridge Public Health Commission

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

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881823169
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