Gilberto Izquierdo-Santiago
NPI 1427538727 · Family Medicine Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gilberto Izquierdo-Santiago is a Family Medicine Physician provider in Allentown, PA (NPI 1427538727).
Provider details
- NPI number
- 1427538727
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
244 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $85 |
| 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 | 34 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $159 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 65 | 19 |
| Atorvastatin Calcium | 52 | 26 |
| Lisinopril | 46 | 20 |
| Metformin Hcl | 44 | 17 |
| Pantoprazole Sodium | 40 | 12 |
| Amlodipine Besylate | 38 | 14 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 755 Memorial Pkwy Ste 300Phillipsburg, NJ 08865-2748Phone: (908) 847-3300
Registry dates
- Enumerated
- 2018-08-16
- Last updated
- 2023-06-05
- Certified
- 2023-06-05
Frequently asked questions
- What is Gilberto Izquierdo-Santiago's NPI number?
- Gilberto Izquierdo-Santiago's National Provider Identifier (NPI) is 1427538727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gilberto Izquierdo-Santiago's specialty?
- Gilberto Izquierdo-Santiago is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gilberto Izquierdo-Santiago located?
- Gilberto Izquierdo-Santiago's practice location on file with NPPES is 1791 Airport Rd, Allentown, PA 18109-9528.
- What is Gilberto Izquierdo-Santiago's phone number?
- The practice phone number listed in the NPPES registry for Gilberto Izquierdo-Santiago is (484) 240-8195.
- Does Gilberto Izquierdo-Santiago accept Medicare?
- Gilberto Izquierdo-Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gilberto Izquierdo-Santiago's NPI active?
- Yes — Gilberto Izquierdo-Santiago's NPI (1427538727) is active in the NPPES registry as of the last update on 2023-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.