Joseph Guarino, DO
NPI 1689681421 · Family Medicine Physician · Lawrenceville, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Guarino, DO is a Family Medicine Physician provider in Lawrenceville, NJ (NPI 1689681421).
Provider details
- NPI number
- 1689681421
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- MB58817 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
264 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 | 128 | $137 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 89 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $98 |
Typical Medicare-allowed amounts for these services range $17–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 126 | 35 |
| Levothyroxine Sodium | 107 | 31 |
| Atorvastatin Calcium | 94 | 29 |
| Alprazolam | 67 | 24 |
| Valsartan | 67 | 21 |
| Allopurinol | 60 | 12 |
| Pantoprazole Sodium | 52 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$440 across 17 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)
- 1345 Kuser RdSuite 4Hamilton, NJ 08619Phone: (609) 581-1878Fax: (609) 581-2632
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2023-04-06
- Certified
- 2023-04-06
Frequently asked questions
- What is Joseph Guarino's NPI number?
- Joseph Guarino's National Provider Identifier (NPI) is 1689681421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Guarino's specialty?
- Joseph Guarino is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Guarino located?
- Joseph Guarino's practice location on file with NPPES is 4056 Quakerbridge Rd Ste 101, Lawrenceville, NJ 08648-4779.
- What is Joseph Guarino's phone number?
- The practice phone number listed in the NPPES registry for Joseph Guarino is (609) 528-9150.
- Does Joseph Guarino accept Medicare?
- Joseph Guarino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Guarino's NPI active?
- Yes — Joseph Guarino's NPI (1689681421) is active in the NPPES registry as of the last update on 2023-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.