Quick answers
- Does Joseph P. McGraw accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph P. McGraw 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 Joseph P. McGraw see?
- In 2024, CMS data shows 244 Original Medicare patients and 785 services for Joseph P. McGraw. This counts Original Medicare only and measures volume, not quality.
- What is Joseph P. McGraw's NPI number?
- 1588624852. 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 P. McGraw, 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 | 244 |
|---|---|
| Services billed to Medicare | 785 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)163 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)115 services
- Exam of the internal drainage system of eye (92020)66 services
- Imaging of optic nerve (92133)65 services
- Exam of visual field with extended testing (92083)64 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%
- Diabetes64%
- Arthritis39%
- Chronic kidney disease36%
- Ischemic heart disease28%
Practice locations
Addresses where Joseph P. McGraw is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 E California BlvdPasadena, CA 91105 (800) 898‑2020
- 655 Euclid Ave, Suite 302National City, CA 91950 (619) 472‑1010
Group practices
Medicare enrollment lists Joseph P. McGraw as a member of this group (CMS data updated October 2, 2026).
- Retina Institute of California Medical Group, a California Medical Par77 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Other clinicians in Retina Institute of California Medical Group, a California Medical Par
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588624852 |
| 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