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Internal Medicine

Camila Passias, MD

Works at hospitals in Danbury, CT · Connecticut

Summary

Dr. Camila Passias, MD is an internal medicine doctor at 21 S St, Ridgefield, CT 06877. Phone: (203) 438-6541. Accepts Medicare assignment. In 2024, Camila Passias had 214 Original Medicare patients and 470 services. NPI 1558505107. 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: 21 S St, Ridgefield, CT 06877 · Directions
  • Phone: (203) 438‑6541
  • Medicare: Accepts Medicare assignment
  • Hospital: Danbury Hospital
  • Group practice: Nuvance Health Medical Practice Ct Inc
  • Medical school: Tufts University School Of Medicine · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Camila Passias, 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 Camila Passias accept Medicare assignment?
Yes. Medicare's clinician data says Camila Passias 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 Camila Passias see?
In 2024, CMS data shows 214 Original Medicare patients and 470 services for Camila Passias. This counts Original Medicare only and measures volume, not quality.
What is Camila Passias's NPI number?
1558505107. 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 Camila Passias, 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 patients214
Services billed to Medicare470
Different services or procedures20
Participating Medicare providerYes
Average age of these patients77

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)157 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)100 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)75 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)59 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)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 cholesterol75%
  • High blood pressure64%
  • Arthritis44%
  • Anxiety29%
  • Ischemic heart disease23%
  • Depression22%

Hospitals where Camila Passias works

Medicare's Facility Affiliation Data lists Camila Passias 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.

  • Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033

Practice locations

Addresses where Camila Passias is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Camila Passias as a member of this group (CMS data updated October 2, 2026).

  • Nuvance Health Medical Practice Ct Inc747 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Ridgefield

Clinicians with the same Medicare primary specialty in Ridgefield, CT — not a recommendation.

All internal medicine doctors in Ridgefield →

Other clinicians in Nuvance Health Medical Practice Ct Inc

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

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558505107
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