Jeffrey Guarino, MD
NPI 1588898597 · Geriatric Medicine (Family Medicine) Physician · Wilmington, DE
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Guarino, MD is a Geriatric Medicine (Family Medicine) Physician provider in Wilmington, DE (NPI 1588898597).
Provider details
- NPI number
- 1588898597
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
855 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 389 | $88 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 165 | $126 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 70 | $64 |
| Admn Sarscov2 Vacc 1 Dose90480 | 53 | $43 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $60 |
| Administration of Pneumococcal, Influenza, Hepatitis B, And/Or Covid-19 Vaccine Inside a Patient'S Home; Reported Only Once Per Individual Home Per Date of Service When Such Vaccine Administration(s) Are Performed at the Patient'S Home |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 137 | 38 |
| Levothyroxine Sodium | 106 | 36 |
| Sertraline Hcl | 105 | 26 |
| Atorvastatin Calcium | 104 | 32 |
| Gabapentin | 88 | 24 |
| Metoprolol Succinate | 77 | 20 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-05
- Last updated
- 2013-05-24
Frequently asked questions
- What is Jeffrey Guarino's NPI number?
- Jeffrey Guarino's National Provider Identifier (NPI) is 1588898597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Guarino's specialty?
- Jeffrey Guarino is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Guarino located?
- Jeffrey Guarino's practice location on file with NPPES is 1401 Foulk Road, Wilmington, DE 19803-2764.
- What is Jeffrey Guarino's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Guarino is (302) 733-1042.
- Does Jeffrey Guarino accept Medicare?
- Jeffrey Guarino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Guarino's NPI active?
- Yes — Jeffrey Guarino's NPI (1588898597) is active in the NPPES registry as of the last update on 2013-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.