DR. THOMAS MAXWELL FISSENDEN (M.D.) – Otolaryngology Physician, NPI 1851682090
Otolaryngology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
227 OTOLARYNGOLOGY in CO
Provider Addresses for DR. THOMAS MAXWELL FISSENDEN (M.D.)
5881 W 16TH ST
GREELEY, CO 806342910
Phone: (970) 313-2740
Fax: (970) 313-2744
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $17.
Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.
Last reported payment date: 2023-05-23 • Largest payer in this snapshot: Optinose US, Inc. ($17).
Total Amount
$17
General + Research + Ownership
Payments
1
Total payment records
General Amount
$17
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Optinose US, Inc. | $17 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-06-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190925002093 | I | Otolaryngology | CA | TBD |
| I20220629003691 | I | Otolaryngology | ND | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 149 | 149 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 92 | 92 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 90 | 71 | $0 |
| 92504 | Exam of ear using a microscope | 89 | 75 | $0 |
| 69210 | Removal of impacted ear wax | 69 | 65 | $0 |
Insurance plans in this area (ZIP 80634)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | ND | |
| Interventional Radiology | ND | |
| General Surgery | MN | |
| Nurse Practitioner | ND | |
| Physical Therapist In Private Practice | ND | |
| Nurse Practitioner | ND | |
| Hospitalist, Internal Medicine | ND | |
| Family Practice | ND | |
| Nurse Practitioner | MN | |
| Nurse Practitioner | ND |
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