Quick answers
- Does Artemio Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Artemio Perez 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 Artemio Perez see?
- In 2024, CMS data shows 353 Original Medicare patients and 1,574 services for Artemio Perez. This counts Original Medicare only and measures volume, not quality.
- What is Artemio Perez's NPI number?
- 1821299926. 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 Artemio Perez, 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 patients | 353 |
|---|---|
| Services billed to Medicare | 1,574 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)325 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)290 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)169 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)147 services
- Telephone medical discussion with physician, 5-10 minutes (99441)81 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 pressure71%
- Arthritis37%
- Diabetes27%
- Chronic kidney disease23%
- Osteoporosis20%
Hospitals where Artemio Perez works
Medicare's Facility Affiliation Data lists Artemio Perez 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.
- John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050496
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
- San Ramon Regional Medical CenterSan Ramon, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050689
Practice locations
Addresses where Artemio Perez is enrolled with Medicare (CMS data updated October 2, 2026).
- 2637 Shadelands DrWalnut Creek, CA 94598 (925) 481‑5951
Group practices
Medicare enrollment lists Artemio Perez as a member of this group (CMS data updated October 2, 2026).
- Bass Medical Group291 clinicians in the group
Specialties
Find other Osteopathic Manipulative Medicine doctors in California →
Other osteopathic manipulative medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
- Jose R. Dalprat, DO
- Jin H. Choi, DO
- Dhara K. Patel, DO
- Michael J. Kurisu, DO
- Helen T. Tran, MD
- Ali Khademi, DO
- Philip Delgado, DO
- Gaurav Wahi, DO
All osteopathic manipulative medicine doctors in California →
Other clinicians in Bass Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821299926 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians