Doctor profile · Federal record
Dr. Colleen Klos
Internal Medicine Physician (CMS: Physician Assistant) · Williamsville, NY
- NPI 1003567603
- Accepts Medicare
- 5 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1540 Maple RD
Williamsville, NY 142213647
(716) 568-3514
Credentials & registration
- NPI registered
- January 2022 — 4 yrs on file
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #027835-01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003567603. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
224
Distinct HCPCS
2
Medicare allowed
$30,795
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 203 | 195 | $142 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 21 | $97 |
In context: peer comparison
Among 18 peers in Williamsville Internal Medicine Physician, average services per provider: 65. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$48
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Solventum Corporation | 1 | $25.82 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 1 | $22.41 |
By nature of payment
Frequently asked questions
What is Dr. Colleen Klos's medical specialty?
Dr. Colleen Klos practices Internal Medicine Physician in Williamsville, NY.
Where does Dr. Colleen Klos practice?
Dr. Colleen Klos practices at 1540 Maple RD, Williamsville, NY 142213647. Office phone: 7165683514.
What is Dr. Colleen Klos's NPI?
Dr. Colleen Klos's National Provider Identifier (NPI) is 1003567603, issued by NPPES.
Does Dr. Colleen Klos accept Medicare assignment?
Yes. Dr. Colleen Klos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Klos commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.