Whalio Doctors

NPI 1194353318

Grant Michael Wallenfelsz, MD

Practitioner Emergency Medicine Physician Agana Heights, GU

Practice location

Address
Bldg #50 Farenholt Ave, Agana Heights, GU 96910
Phone
(671) 344-9340
Mailing address
Psc 455 Box 208, Fpo, AP 96540-0003

Registered specialties (3)

Emergency Medicine Physician Primary
Allopathic & Osteopathic Physicians Taxonomy 207P00000X Licence T3715 (TX)
Emergency Medicine Physician
Allopathic & Osteopathic Physicians Taxonomy 207P00000X Licence A187218 (CA)
Emergency Medicine Physician
Allopathic & Osteopathic Physicians Taxonomy 207P00000X Licence M-2480 (GU)

Registry record

NPI
1194353318
Entity type
Individual
Sex (as registered)
Male
NPI issued
1 Apr 2020
Record last updated
2 Oct 2025

Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.