Doctor profile · Federal record
Dr. Patrick Dahl, MD
Dermatology Physician (CMS: Dermatology) · Fullerton, CA
- NPI 1033213392
- Accepts Medicare
- MIPS 91.6 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
301 W Bastanchury Road, Suite 245
Fullerton, CA 92835
(714) 525-3500
fax (714) 525-3588 - Mailing address
-
Po Box 5859
Fullerton, CA 92838
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- August 17, 2012
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- California #G75823
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033213392. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,447
Distinct HCPCS
10
Medicare allowed
$275,845
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 2,980 | 214 | $8 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 793 | 356 | $80 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 434 | 252 | $100 | |
17000 |
Destruction of precancer skin growth, 1 growth | 352 | 229 | $71 | |
11102 |
Biopsy of related skin growth, first growth | 203 | 163 | $116 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 153 | 123 | $63 | |
11103 |
Biopsy of related skin growth, each additional growth | 119 | 70 | $58 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 100 | 85 | $195 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 75 | $140 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 52 | 52 | $124 |
In context: peer comparison
Among 5 peers in Fullerton Dermatology Physician, average services per provider: 175. This provider delivers 31× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
293
Patients
143
Total drug cost
$9,748
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Triamcinolone Acetonide | Generic | 97 | 44 | $1,263 |
| Ketoconazole | Generic | 43 | 22 | $1,210 |
| Doxycycline Hyclate | Generic | 38 | 32 | $492 |
| Fluocinonide | Generic | 33 | 20 | $2,081 |
| Hydrocortisone | Generic | 26 | 14 | $159 |
| Desonide | Generic | 18 | 0 | $897 |
| Betamethasone Dipropionate | Generic | 13 | 0 | $569 |
| Halobetasol Propionate | Generic | 13 | 0 | $1,579 |
| Fluorouracil | Generic | 12 | 11 | $1,497 |
Frequently asked questions
What is Dr. Patrick Dahl's medical specialty?
Dr. Patrick Dahl practices Dermatology Physician in Fullerton, CA.
Where does Dr. Patrick Dahl practice?
Dr. Patrick Dahl practices at 301 W Bastanchury Road, Fullerton, CA 92835. Office phone: 7145253500.
What is Dr. Patrick Dahl's NPI?
Dr. Patrick Dahl's National Provider Identifier (NPI) is 1033213392, issued by NPPES.
Does Dr. Patrick Dahl accept Medicare assignment?
Yes. Dr. Patrick Dahl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Dahl commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.