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

Marshall Greiman, MD

Individual provider Otolaryngology Physician · NPI 1376657957

Marshall Greiman, MD is an Otolaryngology in Clive, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1985, 41 years ago. Practices with Mercy Clinics Inc, a 442-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
41
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2006
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

1601 NW 114th St Ste 230
Clive, IA 50325-7007
Phone: (515) 222-7761
Fax: (515) 222-7926
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 25508 (IA)

Record details

NPI number1376657957
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2006
Last updated in NPPESFebruary 13, 2024
Certification dateFebruary 13, 2024
Mailing addressPo Box 1475, Des Moines, IA 50305-1475

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 1985 (41 years in practice)
Group practice Mercy Clinics Inc — 442 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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