Doctor profile · Federal record
Dr. Karen Guzzetta, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Denver, CO
- NPI 1558446104
- Accepts Medicare
- MIPS 77.2 / 100 · 2023
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2525 S Downing St, Porter Pre-Surgical Evaluation
Denver, CO 802105817
(303) 765-6892
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- September 14, 2011
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #37553
- Medicaid
- CO #40427846
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558446104. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
113
Distinct HCPCS
3
Medicare allowed
$17,712
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99205 |
New patient office or other outpatient visit, 60-74 minutes | 46 | 46 | $182 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 34 | 32 | $144 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $134 |
In context: peer comparison
Among 78 peers in this city , average services per provider: 111. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Karen Guzzetta's medical specialty?
Dr. Karen Guzzetta practices Internal Medicine Physician in Denver, CO.
Where does Dr. Karen Guzzetta practice?
Dr. Karen Guzzetta practices at 2525 S Downing St, Denver, CO 802105817. Office phone: 3037656892.
What is Dr. Karen Guzzetta's NPI?
Dr. Karen Guzzetta's National Provider Identifier (NPI) is 1558446104, issued by NPPES.
Does Dr. Karen Guzzetta accept Medicare assignment?
Yes. Dr. Karen Guzzetta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Guzzetta commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.