Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
GRANT MICHAEL WALLENFELSZ, MD
ActiveGRANT MICHAEL WALLENFELSZ, MD is a Emergency Medicine healthcare provider located in AGANA HEIGHTS, Guam. NPI 1194353318 is currently active in the NPPES registry. Verify at CMS.
Emergency Medicine · AGANA HEIGHTS, GU
Registration Details
- NPI Number
- 1194353318
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 1, 2020 (6.3256916679094 yrs)
- Last Updated
- Oct 2, 2025
- Licenses
-
T3715 (TX)A187218 (CA)M-2480 (GU)
Practice Information
- Address
-
BLDG #50 FARENHOLT AVEAGANA HEIGHTS, GU, 96910Browse GU providers · Browse ZIP 96910
- Phone
- 6713449340
- Primary Specialty
-
Emergency Medicine
207P00000X
- Additional Specialty
- Emergency Medicine
- Additional Specialty
- Emergency Medicine
Other Emergency Medicine Providers in AGANA HEIGHTS, GU
| Name | Credential | NPI |
|---|---|---|
| DR. CHRISTOPHER BOYD CHISHOLM | MD | 1407836075 |
| DR. THOMAS C BAUGH | D.O. | 1255302485 |
| DR. JOHN T HAGGERTY | D.O. | 1427395326 |
| DR. ALEXANDER JANSON SALAZAR | M.D. | 1265845507 |
| DR. JOHN STEWART HUNT JR. | M.D. | 1487004099 |
| DR. ANDREW JAMES MEDENBACH | D.O. | 1033560354 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.