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

Pulmonary Disease

Artur Grigoriyan, MD

Works at hospitals in Barstow, CA · Victorville, CA · Apple Valley, CA … · California

Summary

Dr. Artur Grigoriyan, MD is a pulmonologist at 105 E Sydnor Ave, Ridgecrest, CA 93555. Phone: (760) 446-6404. Accepts Medicare assignment. In 2024, Artur Grigoriyan had 739 Original Medicare patients and 4,663 services. NPI 1922251792. 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 Artur Grigoriyan, 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 Artur Grigoriyan accept Medicare assignment?
Yes. Medicare's clinician data says Artur Grigoriyan 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 Artur Grigoriyan see?
In 2024, CMS data shows 739 Original Medicare patients and 4,663 services for Artur Grigoriyan. This counts Original Medicare only and measures volume, not quality.
What is Artur Grigoriyan's NPI number?
1922251792. 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 Artur Grigoriyan, 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 patients739
Services billed to Medicare4,663
Different services or procedures33
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)2,685 services
  2. Critical care, first 30-74 minutes (99291)889 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)440 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)226 services
  5. Aspiration of fluid from chest cavity using imaging guidance (32555)49 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%
  • Heart failure71%
  • COPD66%
  • Diabetes63%
  • Ischemic heart disease55%

Hospitals where Artur Grigoriyan works

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

Group practices

Medicare enrollment lists Artur Grigoriyan as a member of these groups (CMS data updated October 2, 2026).

  • Ridgecrest Regional Hospital95 clinicians in the group
  • High Desert Pulmonary Associates Inc2 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in California →

Other pulmonologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All pulmonologists in California →

Other clinicians in Ridgecrest Regional Hospital

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922251792
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