Quick answers
- Does Gary L. Gross accept Medicare assignment?
- Yes. Medicare's clinician data says Gary L. Gross 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 Gary L. Gross see?
- In 2024, CMS data shows 219 Original Medicare patients and 11,954 services for Gary L. Gross. This counts Original Medicare only and measures volume, not quality.
- What is Gary L. Gross's NPI number?
- 1336143247. 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 Gary L. Gross, 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 | 219 |
|---|---|
| Services billed to Medicare | 11,954 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test for allergy using allergenic extract (95004)965 services
- Professional service for preparation and provision of 1 or more antigens (95165)535 services
- Professional service for multiple injections of allergen (95117)450 services
- Administration and interpretation of patient-focused health risk assessment (96160)169 services
- Injection of drug or substance under skin or into muscle (96372)166 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 cholesterol75%
- High blood pressure70%
- Arthritis55%
- Asthma46%
- Ischemic heart disease33%
- Diabetes28%
Hospitals where Gary L. Gross works
Medicare's Facility Affiliation Data lists Gary L. Gross 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.
- Jersey Shore University Medical CenterNeptune, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310073
Practice locations
Addresses where Gary L. Gross is enrolled with Medicare (CMS data updated October 2, 2026).
- 8 Tindall RdMiddletown, NJ 07748 (732) 671‑7676
- 802 W Park Ave, Suite 213Ocean, NJ 07712 (732) 695‑2555
Group practices
Medicare enrollment lists Gary L. Gross as a member of this group (CMS data updated October 2, 2026).
- Allergy Partners of NJ PC6 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Middletown
Clinicians with the same Medicare primary specialty in Middletown, NJ — not a recommendation.
Other clinicians in Allergy Partners of NJ PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336143247 |
| 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