Quick answers
- Does Joseph Fretta accept Medicare assignment?
- Medicare's clinician data says Joseph Fretta may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Joseph Fretta see?
- In 2024, CMS data shows 84 Original Medicare patients and 4,176 services for Joseph Fretta. This counts Original Medicare only and measures volume, not quality.
- What is Joseph Fretta's NPI number?
- 1538113626. 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 Joseph Fretta, 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 | 84 |
|---|---|
| Services billed to Medicare | 4,176 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,551 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)161 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)98 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)92 services
- Insertion of needle into vein for collection of blood sample (36415)76 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%
- Arthritis71%
- Diabetes33%
- Anxiety33%
- Ischemic heart disease27%
Practice locations
Addresses where Joseph Fretta is enrolled with Medicare (CMS data updated October 2, 2026).
- 81 Northfield Ave, Suite 201West Orange, NJ 07052 (973) 243‑2200
Specialties
- Internal Medicineprimary
Other internal medicine doctors in West Orange
Clinicians with the same Medicare primary specialty in West Orange, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1538113626 |
| 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