Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Henry Richard Diggelmann, MD

Individual provider Otolaryngology Physician · NPI 1467610196

Dr. Henry Richard Diggelmann, MD is an Otolaryngology in Mason City, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2008, 18 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group. Licensed in Iowa.

Years since qualifying
18
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

250 S Crescent Dr
Mason City, IA 50401-2926
Phone: (641) 494-5380
Fax: (641) 494-5381
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD40670 (IA)

Record details

NPI number1467610196
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2008
Last updated in NPPESJanuary 9, 2024
Certification dateJanuary 9, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Not indicated
Practice locations8 on file with Medicare

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