Quick answers
- Does Alan M. Tenazas accept Medicare assignment?
- Yes. Medicare's clinician data says Alan M. Tenazas 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 Alan M. Tenazas see?
- In 2024, CMS data shows 443 Original Medicare patients and 791 services for Alan M. Tenazas. This counts Original Medicare only and measures volume, not quality.
- What is Alan M. Tenazas's NPI number?
- 1982710190. 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 Alan M. Tenazas, 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 | 443 |
|---|---|
| Services billed to Medicare | 791 |
| Different services or procedures | 41 |
| 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)448 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)98 services
- Urinalysis, manual test (81002)49 services
- Injection of drug or substance under skin or into muscle (96372)16 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)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 cholesterol69%
- High blood pressure59%
- Arthritis42%
- Anxiety21%
- Depression18%
- Osteoporosis17%
Practice locations
Addresses where Alan M. Tenazas is enrolled with Medicare (CMS data updated October 2, 2026).
- 1120 W Washington BlvdLos Angeles, CA 90015 (213) 623‑2225
- 2110 N Bellflower BlvdLong Beach, CA 90815 (562) 346‑2222
- 4950 Barranca Pkwy, Suite 104Irvine, CA 92604 (949) 857‑1248
- 660 Baker St, Suite A102Costa Mesa, CA 92626 (714) 668‑2505
Group practices
Medicare enrollment lists Alan M. Tenazas as a member of these groups (CMS data updated October 2, 2026).
- Healthcare Partners Affiliates Medical Group754 clinicians in the group
- Memorialcare Medical Foundation566 clinicians in the group
- Coastal Family Medicine Inc34 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Healthcare Partners Affiliates Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982710190 |
| 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