Doctor profile · Federal record
Dr. Frederick Dirbas, MD
Surgery Physician (CMS: General Surgery) · Palo Alto, CA
- NPI 1154457091
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- April 28, 2024
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #G58935
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154457091. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
150
Distinct HCPCS
6
Medicare allowed
$30,873
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 52 | 52 | $41 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 22 | $76 | |
19301 |
Partial removal of breast | 25 | 23 | $741 | |
38525 |
Biopsy or removal of deep lymph nodes of underarm | 17 | 17 | $256 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $113 | |
38900 |
Imaging of lymph nodes during surgery | 14 | 14 | $148 |
In context: peer comparison
Among 24 peers in Palo Alto Surgery Physician, average services per provider: 38. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$104
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 1 | $104.04 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Frederick Dirbas's medical specialty?
Dr. Frederick Dirbas practices Surgery Physician in Palo Alto, CA.
Where does Dr. Frederick Dirbas practice?
Dr. Frederick Dirbas practices at 300 Pasteur Dr, Palo Alto, CA 943042203. Office phone: 6507234000.
What is Dr. Frederick Dirbas's NPI?
Dr. Frederick Dirbas's National Provider Identifier (NPI) is 1154457091, issued by NPPES.
Does Dr. Frederick Dirbas accept Medicare assignment?
Yes. Dr. Frederick Dirbas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederick Dirbas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Partial removal of breast (HCPCS 19301). Source: CMS Medicare Physician & Other Practitioners file.