Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alfonso P. Zalduondo, M.D.
Surgery Physician in Towson, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417069006
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Alfonso P. Zalduondo
Credential M.D.
Sex Male
Practice address 7600 Osler Dr, Suite 302, Towson, MD, 21204
Phone (410) 296-3092
Fax (410) 494-6442
Enumeration date Aug 31, 2006
Last updated in NPPES Sep 1, 2011
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 473921300 | Other | MD | MEDICAL ASSISTANCE |
| P00931598 | Other | GA | RAILROAD MEDICARE |
| 207118YDXH | Other | MD | MEDICARE |
| X743 0001 | Other | DC | CAREFIRST |
| 42308606 | Other | MD | CAREFIRST |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Alfonso Zalduondo?
The National Provider Identifier (NPI) for Alfonso Zalduondo is 1417069006, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alfonso Zalduondo practice?
The practice location on file with NPPES is in Towson, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Aaron Noonberg Clinical Psychologist · Towson, MD NPI 1770586695 John Lavin Internal Medicine Physician · Towson, MD NPI 1194728055 Lewis Libby General Practice Dentistry · Towson, MD NPI 1508861626 Donna Dow Internal Medicine Physician · Towson, MD NPI 1821096355 Diana Walcutt Clinical Psychologist · Towson, MD NPI 1477551778 James Clarke Cardiovascular Disease Physician · Towson, MD NPI 1215938832 Danilo Santos Gynecology Physician · Towson, MD NPI 1295716843 Robert Turner Internal Medicine Physician · Towson, MD NPI 1346201928
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-01.