Quick answers
- Does Demetrios J. Grossos accept Medicare assignment?
- Yes. Medicare's clinician data says Demetrios J. Grossos 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 Demetrios J. Grossos see?
- In 2024, CMS data shows 511 Original Medicare patients and 4,230 services for Demetrios J. Grossos. This counts Original Medicare only and measures volume, not quality.
- What is Demetrios J. Grossos's NPI number?
- 1598053944. 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 Demetrios J. Grossos, 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 | 511 |
|---|---|
| Services billed to Medicare | 4,230 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Removal of fingernails or toenails, 6 or more nails (11721)1,355 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)641 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)503 services
- Removal of noncancer thickened skin growth, more than 4 growths (11057)304 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)177 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%
- Arthritis60%
- Diabetes53%
- Ischemic heart disease44%
- Chronic kidney disease31%
Hospitals where Demetrios J. Grossos works
Medicare's Facility Affiliation Data lists Demetrios J. Grossos 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.
- Bayshore Medical CenterHolmdel, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310112
- Riverview Medical CenterRed Bank, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310034
Practice locations
Addresses where Demetrios J. Grossos is enrolled with Medicare (CMS data updated October 2, 2026).
- 721 N Beers St, Suite 2cHolmdel, NJ 07733 (732) 888‑1717
Group practices
Medicare enrollment lists Demetrios J. Grossos as a member of this group (CMS data updated October 2, 2026).
- Biebel and Decotiis Associates, LLC5 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Holmdel
Clinicians with the same Medicare primary specialty in Holmdel, NJ — not a recommendation.
Other clinicians in Biebel and Decotiis Associates, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 2011 (15 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598053944 |
| 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