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Internal Medicine

Romany F. Demian, MD

Sees patients in Oxnard, CA · California

Summary

Dr. Romany F. Demian, MD is an internal medicine doctor at 971 W 7th St, Suite B, Oxnard, CA 93030. Phone: (805) 483-2500. May accept Medicare assignment. In 2024, Romany F. Demian had 216 Original Medicare patients and 3,463 services. NPI 1043232085. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 971 W 7th St, Suite B, Oxnard, CA 93030 · Directions
  • Phone: (805) 483‑2500
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 1983 (43 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 Romany F. Demian, 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 Romany F. Demian accept Medicare assignment?
Medicare's clinician data says Romany F. Demian may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Romany F. Demian see?
In 2024, CMS data shows 216 Original Medicare patients and 3,463 services for Romany F. Demian. This counts Original Medicare only and measures volume, not quality.
What is Romany F. Demian's NPI number?
1043232085. 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 Romany F. Demian, 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 patients216
Services billed to Medicare3,463
Different services or procedures19
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)1,901 services
  2. Blood glucose (sugar) level (82947)1,160 services
  3. Administration of influenza virus vaccine (G0008)121 services
  4. Influenza vaccine, trivalent, 0.5 ml dosage (90658)120 services
  5. Telephone medical discussion with physician, 21-30 minutes (99443)52 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%
  • Diabetes75%
  • Arthritis75%
  • Ischemic heart disease33%
  • Osteoporosis23%

Practice locations

Addresses where Romany F. Demian is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Oxnard

Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.

All internal medicine doctors in Oxnard →

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043232085
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians