Quick answers
- Does Jeri M. Gruenes accept Medicare assignment?
- Medicare's clinician data says Jeri M. Gruenes may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jeri M. Gruenes see?
- In 2024, CMS data shows 183 Original Medicare patients and 1,600 services for Jeri M. Gruenes. This counts Original Medicare only and measures volume, not quality.
- What is Jeri M. Gruenes's NPI number?
- 1588764187. 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 Jeri M. Gruenes, 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 | 183 |
|---|---|
| Services billed to Medicare | 1,600 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)454 services
- Removal of fingernails or toenails, 1-5 nails (11720)356 services
- Trimming of dystrophic nails, any number (G0127)350 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)67 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)63 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%
- Arthritis61%
- Diabetes42%
- Chronic kidney disease32%
- Ischemic heart disease29%
Hospitals where Jeri M. Gruenes works
Medicare's Facility Affiliation Data lists Jeri M. Gruenes 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.
- Providence St. Jude Medical CenterFullerton, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050168
Practice locations
Addresses where Jeri M. Gruenes is enrolled with Medicare (CMS data updated October 2, 2026).
- 1041 E Yorba Linda Blvd, Suite 201Placentia, CA 92870 (714) 985‑9168
Specialties
- Podiatryprimary
Other podiatrists in Placentia
Clinicians with the same Medicare primary specialty in Placentia, CA — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 2002 (24 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1588764187 |
| 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