Quick answers
- Does Francis G. Grillo accept Medicare assignment?
- Yes. Medicare's clinician data says Francis G. Grillo 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 Francis G. Grillo see?
- In 2024, CMS data shows 28 Original Medicare patients and 53 services for Francis G. Grillo. This counts Original Medicare only and measures volume, not quality.
- What is Francis G. Grillo's NPI number?
- 1649376088. 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 Francis G. Grillo, 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 | 28 |
|---|---|
| Services billed to Medicare | 53 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)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 blood pressure75%
- High cholesterol75%
- Anxiety61%
- Chronic kidney disease57%
- Ischemic heart disease50%
- Heart failure46%
Practice locations
Addresses where Francis G. Grillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 2901 Jolly RdPlymouth Meeting, PA 19462 (610) 272‑8221
Group practices
Medicare enrollment lists Francis G. Grillo as a member of these groups (CMS data updated October 2, 2026).
- Suburban Geriatrics II PC109 clinicians in the group
- Suburban Geriatric's, Inc.104 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Other clinicians in Suburban Geriatrics II PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649376088 |
| 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