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Internal Medicine

Cezary A. Dobija, MD

Works at hospitals in Boulder, CO · Colorado

Summary

Dr. Cezary A. Dobija, MD is an internal medicine doctor at 1000 W S Boulder Rd, Suite 110, Lafayette, CO 80026. Phone: (303) 415-4355. Accepts Medicare assignment. In 2024, Cezary A. Dobija had 331 Original Medicare patients and 792 services. NPI 1639151459. 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: 1000 W S Boulder Rd, Suite 110, Lafayette, CO 80026 · Directions (1 more location)
  • Phone: (303) 415‑4355
  • Medicare: Accepts Medicare assignment
  • Hospital: Boulder Community Health
  • Group practice: Legacy Healthcare Services Inc (+1 more)
  • Medical school: graduated 1985 (41 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 Cezary A. Dobija, 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 Cezary A. Dobija accept Medicare assignment?
Yes. Medicare's clinician data says Cezary A. Dobija 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 Cezary A. Dobija see?
In 2024, CMS data shows 331 Original Medicare patients and 792 services for Cezary A. Dobija. This counts Original Medicare only and measures volume, not quality.
What is Cezary A. Dobija's NPI number?
1639151459. 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 Cezary A. Dobija, 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 patients331
Services billed to Medicare792
Different services or procedures31
Participating Medicare providerYes
Average age of these patients75

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)369 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)124 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)88 services
  4. Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)33 services
  5. Administration of influenza virus vaccine (G0008)22 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 cholesterol67%
  • High blood pressure59%
  • Arthritis36%
  • Ischemic heart disease31%
  • Anxiety20%
  • Diabetes19%

Hospitals where Cezary A. Dobija works

Medicare's Facility Affiliation Data lists Cezary A. Dobija 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.

  • Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027

Practice locations

Addresses where Cezary A. Dobija is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cezary A. Dobija as a member of these groups (CMS data updated October 2, 2026).

  • Legacy Healthcare Services Inc3,223 clinicians in the group
  • Boulder Community Health264 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Lafayette

Clinicians with the same Medicare primary specialty in Lafayette, CO — not a recommendation.

All internal medicine doctors in Lafayette →

Other clinicians in Legacy Healthcare Services Inc

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639151459
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