Gary Oxenberg, MD
NPI 1346214533 · Internal Medicine Physician · Northfield, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Oxenberg, MD is a Internal Medicine Physician provider in Northfield, NJ (NPI 1346214533).
Provider details
- NPI number
- 1346214533
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD039259L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
503 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 229 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 158 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $137 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 20 | $15 |
| Assessment of Emotional Or Behavioral Problems96127 | 19 | $5 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 340 | 101 |
| Levothyroxine Sodium | 197 | 50 |
| Amlodipine Besylate | 193 | 56 |
| Metformin Hcl | 193 | 68 |
| Omeprazole | 126 | 34 |
| Pantoprazole Sodium | 126 | 24 |
| Metoprolol Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$476 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1161 Route 50 Ste LMays Landing, NJ 08330-2158Phone: (609) 625-7116
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Gary Oxenberg's NPI number?
- Gary Oxenberg's National Provider Identifier (NPI) is 1346214533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Oxenberg's specialty?
- Gary Oxenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Oxenberg located?
- Gary Oxenberg's practice location on file with NPPES is 1418 New Rd Ste 2, Northfield, NJ 08225-1179.
- What is Gary Oxenberg's phone number?
- The practice phone number listed in the NPPES registry for Gary Oxenberg is (609) 796-7969.
- Does Gary Oxenberg accept Medicare?
- Gary Oxenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Oxenberg's NPI active?
- Yes — Gary Oxenberg's NPI (1346214533) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.