Gilberto Izquierdo-Santiago
Family Medicine Physician · Allentown, PA
Gilberto Izquierdo-Santiago is a family medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1427538727, issued on Aug 16, 2018. Check the license (Pennsylvania MD478985, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gilberto Izquierdo-Santiago
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD478985 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1791 Airport RD, Allentown, PA 18109
- Phone
- (484) 240-8195
- Enumerated
- Aug 16, 2018
- Record last updated
- Jun 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230829002124); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 1791 Airport RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rajdeep Bajwa, CRNPFamily Nurse Practitioner1104516954
- Mohammed Jendi, M.D.Family Medicine Physician1528319639
- Lauren Kershes, CRNPFamily Nurse Practitioner1649654500
- Jacqueline McAtee, CRNPFamily Nurse Practitioner1679164446
- Chau Nguyen, D.O.Family Medicine Physician1235318643
- Terence O'Rourke, M.D.Family Medicine Physician1427139484
Verify Gilberto Izquierdo-Santiago in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD478985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,243 Medicare Part D claims for 229 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 20 claims were for opioids.
Most prescribed
- Levothyroxine Sodium65 claims
- Atorvastatin Calcium52 claims
- Lisinopril46 claims
- Metformin Hcl44 claims
- Pantoprazole Sodium40 claims
- Amlodipine Besylate38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gilberto Izquierdo-Santiago among 7,483 family medicine physician records in Pennsylvania
Gilberto Izquierdo-Santiago is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 78% of them.
- NPI issued2018 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2020 · median 2005 among the 4,529 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 family medicine physician records list a practice address in Allentown
They are 208 of the 5,904 NPPES records with a practice address in Allentown, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Allentown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Buckley, MDAllentown, PA 181091467448555
- Jona Gnananehru, MDAllentown, PA 181091730751371
- Mohammed Jendi, M.D.Allentown, PA 181091528319639
- Jay Kadhiwala, MDAllentown, PA 181091265014765
- Thomas Lyster, DOAllentown, PA 181091710085345
- Chau Nguyen, D.O.Allentown, PA 181091235318643
- Terence O'Rourke, M.D.Allentown, PA 181091427139484
- Jaap Patel, DOAllentown, PA 181091477175438
Common questions
What is Gilberto Izquierdo-Santiago's NPI number?
Gilberto Izquierdo-Santiago's National Provider Identifier (NPI) is 1427538727, issued on Aug 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gilberto Izquierdo-Santiago located?
The NPPES record lists a practice address at 1791 Airport RD, Allentown, PA, 18109. Phone: (484) 240-8195. Providers update this record themselves, so call before visiting.
How can I verify Gilberto Izquierdo-Santiago's license?
NPPES lists Pennsylvania license number MD478985, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gilberto Izquierdo-Santiago prescribe under Medicare Part D?
In 2024, Gilberto Izquierdo-Santiago had 1,243 Medicare Part D claims for 229 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.