Quick answers
- Does Amber Aguilar accept Medicare assignment?
- Yes. Medicare's clinician data says Amber Aguilar 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 Amber Aguilar see?
- In 2024, CMS data shows 199 Original Medicare patients and 989 services for Amber Aguilar. This counts Original Medicare only and measures volume, not quality.
- What is Amber Aguilar's NPI number?
- 1942750393. 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 Amber Aguilar, 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 | 199 |
|---|---|
| Services billed to Medicare | 989 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)423 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)252 services
- Psychiatric diagnostic evaluation with medical services (90792)111 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)31 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)28 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).
- Anxiety55%
- Depression52%
- High blood pressure48%
- High cholesterol44%
- Arthritis31%
- Diabetes24%
Practice locations
Addresses where Amber Aguilar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1700 Broadway, Suite 500Oakland, CA 94612 (510) 273‑4200
- 2608 Central Ave, Suite 1Union City, CA 94587 (510) 675‑0600
- 5311 Hopyard RdPleasanton, CA 94588 (925) 202‑2478
Group practices
Medicare enrollment lists Amber Aguilar as a member of these groups (CMS data updated October 2, 2026).
- Hiawatha Harris MD Inc.12 clinicians in the group
- Parhelion Healthcare Inc10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Oakland
Clinicians with the same Medicare primary specialty in Oakland, CA — not a recommendation.
Other clinicians in Hiawatha Harris MD Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1942750393 |
| 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