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

Dr. Thomas Maxwell Fissenden, MD

Individual provider Otolaryngology Physician · NPI 1851682090

Dr. Thomas Maxwell Fissenden, MD is an Otolaryngology in Greeley, Colorado. Graduated from Drexel University College of Medicine in 2011, 15 years ago. Practices with Innovis Health LLC, a 573-clinician group and accepts Medicare assignment. Licensed in Colorado and North Dakota.

Years since qualifying
15
Trained at
Drexel University College of Medicine
Licensed in
CO, ND
In the registry since
2011
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5881 W 16th St
Greeley, CO 80634-2910
Phone: (970) 313-2740
Fax: (970) 313-2744
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence DR.0056808 (CO)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 18530 (ND)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1851682090
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2011
Last updated in NPPESJune 20, 2022
Certification dateJune 20, 2022

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolDREXEL UNIVERSITY COLLEGE OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Innovis Health Llc — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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