Quick answers
- Does Heriberto Nunez accept Medicare assignment?
- Yes. Medicare's clinician data says Heriberto Nunez 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 Heriberto Nunez see?
- In 2024, CMS data shows 53 Original Medicare patients and 555 services for Heriberto Nunez. This counts Original Medicare only and measures volume, not quality.
- What is Heriberto Nunez's NPI number?
- 1164692703. 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 Heriberto Nunez, 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 | 53 |
|---|---|
| Services billed to Medicare | 555 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)213 services
- Insertion of needle into vein for collection of blood sample (36415)102 services
- Assessment of and care planning for patient with impaired thought processing, typically 60 minutes (99483)48 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)44 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)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).
- High blood pressure75%
- High cholesterol75%
- Alzheimer's disease or dementia75%
- Diabetes51%
- Arthritis49%
- Osteoporosis34%
Practice locations
Addresses where Heriberto Nunez is enrolled with Medicare (CMS data updated October 2, 2026).
- 850 S Atlantic Blvd, Suite 203Monterey Park, CA 91754
- 880 S Atlantic Blvd, Suite 302Monterey Park, CA 91754 (626) 284‑3111
Specialties
- General Practiceprimary
Other general practitioners in Monterey Park
Clinicians with the same Medicare primary specialty in Monterey Park, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164692703 |
| 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