Colleen Gumm, NP
Gerontology · Tucson, AZNPI 1568485951
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 11 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 8 manufacturers reported payments, led by Abbott at 28.2% of the total. Reporting peaked in 2024 at $562 and has fallen 90.1% since, to $56 in 2025.
Across 11 payments — averaging $93.63 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Abbott$291
- AstraZeneca$125
- Actelion Pharmaceuticals US, Inc.$124
- Lilly USA, LLC$122
- Bayer$122
- Boston Scientific$107
- plus $139 from 2 others
What the payments were for
- Food & beverage$1,030100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Abbott | 4 | $291 |
| AstraZeneca | 1 | $125 |
| Actelion Pharmaceuticals US, Inc. | 1 | $124 |
| Lilly USA, LLC | 1 | $122 |
| Bayer | 1 | $122 |
| Boston Scientific | 1 | $107 |
| Eisai Inc. | 1 | $83 |
| Teleflex LLC | 1 | $56 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- JOT DX$133
- TEZSPIRE$125
- UPTRAVI$124
- OPSUMIT$124
- MOUNJARO$122
- Kerendia$122
- WATCHMAN Access System$107
- FREESTYLE LIBRE 3$102
How this compares
$1,030 in reported general payments places this provider in the 65th percentile of 99 gerontology providers in Arizona.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| EliquisApixaban | 27 | $37,609 |
| GemtesaVibegron | 11 | $9,570 |
| Lantus SolostarInsulin Glargine,hum.Rec.Anlog | 18 | $2,614 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 61 | $2,133 |
| Gabapentin | 105 | $1,636 |
| Atorvastatin Calcium | 245 | $1,533 |
| Escitalopram Oxalate | 107 | $1,399 |
| Rosuvastatin Calcium | 103 | $1,246 |
| Pregabalin | 20 | $1,222 |
| Tamsulosin Hcl | 109 | $1,075 |
| Levothyroxine Sodium | 154 | $1,038 |
| Losartan Potassium | 179 | $1,006 |
| Lisinopril | 144 | $736 |
| Amlodipine Besylate | 158 | $666 |
| Metformin Hcl | 121 | $579 |
Paid to pharmacies, not to this prescriber.
Other gerontology in Tucson
- Sarah MartinTucson$6K
- Jeffrey KleinTucson$3K
- Leslie LedbetterTucson$925
- Lisa RobertsonTucson$604
- Christine ValentaTucson$244
- Bari OrozcoTucson$236
- Peter HennisCasa Grande$63K
- Alice HallOro Valley$13K
- Daniel KrausGilbert$12K
- Debra WittharSun City$11K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.