Quick answers
- Does Reginald M. Tatco accept Medicare assignment?
- Yes. Medicare's clinician data says Reginald M. Tatco 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 Reginald M. Tatco see?
- In 2024, CMS data shows 397 Original Medicare patients and 5,383 services for Reginald M. Tatco. This counts Original Medicare only and measures volume, not quality.
- What is Reginald M. Tatco's NPI number?
- 1871226373. 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 Reginald M. Tatco, 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 | 397 |
|---|---|
| Services billed to Medicare | 5,383 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,841 services
- Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (J3304)1,120 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)322 services
- Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)245 services
- Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose (J7323)202 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%
- Arthritis75%
- High blood pressure71%
- Diabetes34%
- Ischemic heart disease34%
- Anxiety24%
Hospitals where Reginald M. Tatco works
Medicare's Facility Affiliation Data lists Reginald M. Tatco 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.
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
Practice locations
Addresses where Reginald M. Tatco is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 UCLA Medical Plz, Suite 460Los Angeles, CA 90024 (310) 443‑8999
- 19950 Rinaldi St, Suite 100Northridge, CA 91326 (818) 363‑2773
- 19950 Rinaldi St, Suite 300Porter Ranch, CA 91326 (818) 271‑2400
- 24051 Newhall Ranch Rd, Bldg CValencia, CA 91355 (661) 254‑6364
- 2625 W Alameda Ave, Suite 116Burbank, CA 91505 (818) 901‑6600
Group practices
Medicare enrollment lists Reginald M. Tatco as a member of this group (CMS data updated October 2, 2026).
- Regents of the University of California140 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 Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Southern California Keck School Of Medicine |
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871226373 |
| 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