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Contact Information

MATTHEW T MIDDENDORF, MD
FARENHOLT AVE. BLDG. 50
AGANA HEIGHTS, GU96910
 Phone: 671-344-9340
 Fax:
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Internal Medicine

207R00000X 11 Physician/Internal Medicine
 

Critical Care Medicine

207RC0200X 11 Physician/Internal Medicine
 

Pulmonary Disease

207RP1001X 11 Physician/Internal Medicine
Indicates primary specialty

NPI Profile & details for MATTHEW T MIDDENDORF · (Male)

NPI Number 1629305784
Status Active
Credentials MD
Entity Individual
Enumeration date 11/11/2009
Last updated 10/01/2025 - About 8 months ago
Sole proprietor 1 Yes
Identifiers
  • GU License # M-2396
  • GU License # MD-P-2025-007
  • SC License # MD39270
Hospital affiliation(s) Not Available
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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