DR. THOMAS MAXWELL FISSENDEN M.D.
NPI 1851682090
Otolaryngology in Greeley, CO

Q: What is Thomas Fissenden's NPI number?

The NPI number for Thomas Fissenden is 1851682090. It was assigned to this individual provider in the NPPES registry on April 21, 2011.

Q: What is Thomas Fissenden's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Fissenden was last updated on June 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 21, 2011PECOS EnrolledAccepts Medicare Assignment

5881 W 16TH ST, GREELEY, CO 80634(970) 313-2740(970) 313-2744 Get Directions Write a Review

NPPES record last updated: June 20, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 25, 2021, Jun 14, 2016 (2 updates tracked since 2016).

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About Dr. Thomas Maxwell Fissenden M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS MAXWELL FISSENDEN M.D. (NPI 1851682090) is an individual otolaryngology provider in Greeley, Colorado, licensed in Colorado (DR.0056808) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Marys - Detroit Lakes, and is a graduate of Drexel University College Of Medicine (2011).

NPPES Registry Identity

NPI1851682090

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. THOMAS MAXWELL FISSENDENCredential: M.D.

Location Address5881 W 16TH STGreeley, CO 80634-2910

Mailing Address5881 W 16th StGreeley, CO 80634-2910 · (970) 313-2740 · Fax (970) 313-2744

Phone(970) 313-2740

Fax(970) 313-2744

Sole ProprietorNo

Medical School CMSDrexel University College Of MedicineGraduated 2011

Enumeration DateApril 21, 2011

Last NPPES UpdateJune 20, 20222 updates tracked since enumeration

NPPES CertifiedJune 20, 2022

✔ NPI 1851682090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

Licenses✔ Licensed in CO · DR.0056808✔ Licensed in ND · 18530

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

5881 W 16TH ST, Greeley, CO 80634

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Maxwell Fissenden M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406147289

PECOS Enrollment IDI20220629003691

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thomas Fissenden reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Innovis Health, LLC

484 mi

Multi-Specialty

727 KIRKWOOD MALL
Bismarck, ND 58504

Reassigned Medicare billing, North Dakota enrollment
617 clinicians in this Medicare group

NPI 1447978358 (701) 712-4500

Altru Health System

643 mi

Clinic/Center

1300 S COLUMBIA RD
Grand Forks, ND 58201

Reassigned Medicare billing, North Dakota enrollment
701 clinicians in this Medicare group

NPI 1043309552 (701) 780-5000

Providence Medical Foundation

798 mi

Urology

19333 BEAR VALLEY RD, SUITE 106
Apple Valley, CA 92308

Reassigned Medicare billing, California enrollment
1,699 clinicians in this Medicare group

NPI 1053616706 (760) 240-5505

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

177 services177 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

131 services96 patients

Exam of ear using a microscope 92504

An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.

92 services69 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

90 services84 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

66 services57 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

59 services59 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Essentia Health St Marys - Detroit Lakes

Acute Care Hospitals · Detroit Lakes, MN

OwnershipVoluntary non-profit - Church

CMS Certification Number240101

Location1027 Washington AveDetroit Lakes, MN 56501 · Becker County

Birthing friendly

Essentia Health

Acute Care Hospitals · Fargo, ND

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number350070

Location3000 32nd Ave SouthFargo, ND 58104 · Cass County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80634 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MARY E BRINKMANN MPT

Physical Therapist