Doctor profile · Federal record
Dr. Diana Breyer, M.D.
Pulmonary Disease Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Fort Collins, CO
- NPI 1023088945
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2121 E Harmony RD, Suite 300
Fort Collins, CO 805283400
(970) 224-9102
fax (970) 224-9112
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- August 16, 2016
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Colorado #DR.0037818
- Medicaid (2)
- CO #17584281 · WY #114261500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023088945. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
79
Distinct HCPCS
3
Medicare allowed
$11,176
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 28 | 14 | $215 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 27 | 19 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 18 | $80 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 56. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$117
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABIOMED | 1 | $116.69 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Diana Breyer's medical specialty?
Dr. Diana Breyer practices Pulmonary Disease Physician in Fort Collins, CO.
Where does Dr. Diana Breyer practice?
Dr. Diana Breyer practices at 2121 E Harmony RD, Fort Collins, CO 805283400. Office phone: 9702249102.
What is Dr. Diana Breyer's NPI?
Dr. Diana Breyer's National Provider Identifier (NPI) is 1023088945, issued by NPPES.
Does Dr. Diana Breyer accept Medicare assignment?
Yes. Dr. Diana Breyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Breyer commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.