Quick answers
- Does Mary Ann Reveles accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Ann Reveles 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 Mary Ann Reveles see?
- In 2024, CMS data shows 240 Original Medicare patients and 369 services for Mary Ann Reveles. This counts Original Medicare only and measures volume, not quality.
- What is Mary Ann Reveles's NPI number?
- 1164149621. 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 Mary Ann Reveles, 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 | 240 |
|---|---|
| Services billed to Medicare | 369 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)90 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)44 services
- Emergency department visit with high level of medical decision making (99285)42 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)41 services
- Automated urinalysis test (81003)14 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%
- Arthritis58%
- Ischemic heart disease33%
- Anxiety31%
- Depression27%
Practice locations
Addresses where Mary Ann Reveles is enrolled with Medicare (CMS data updated October 2, 2026).
- 13365 W Washington BlvdLos Angeles, CA 90066 (310) 504‑1825
- 2944 Tapo Canyon Rd, Suite ASimi Valley, CA 93063 (805) 306‑5990
- 4550 Van Nuys Blvd, Suite A4Sherman Oaks, CA 91403 (818) 514‑3631
- 620 E Janss RdThousand Oaks, CA 91360 (805) 495‑6866
- 806 New Los Angeles AveMoorpark, CA 93021 (805) 334‑8650
Group practices
Medicare enrollment lists Mary Ann Reveles as a member of this group (CMS data updated October 2, 2026).
- Carbon Health Medical Group of California PC334 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Carbon Health Medical Group of California PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of California, Davis School Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164149621 |
| 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
- 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