Doctor profile · Federal record
Dr. Ruth Larson, M.D.
Specialist (CMS: Dermatology) · Mohs-Micrographic Surgery Physician · Poway, CA
- NPI 1538167911
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 49 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15525 Pomerado RD, Suite A2
Poway, CA 920642435
(858) 451-3311
fax (858) 451-1142
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 19, 2020
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #G41388
- Medicaid
- CA #00G413880
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538167911. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,279
Distinct HCPCS
10
Medicare allowed
$211,417
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 391 | 75 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 201 | 138 | $99 | |
17000 |
Destruction of precancer skin growth, 1 growth | 139 | 101 | $64 | |
17311 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 127 | 95 | $678 | |
11102 |
Biopsy of related skin growth, first growth | 115 | 92 | $116 | |
17312 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 70 | 46 | $470 | |
13132 |
Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | 55 | 44 | $266 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 49 | 46 | $62 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 38 | 28 | $192 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 23 | $139 |
In context: peer comparison
Among 4 peers in Poway Specialist, average services per provider: 315. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
155
Patients
126
Total drug cost
$4,731
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 58 | 48 | $541 |
| Doxycycline Hyclate | Generic | 45 | 38 | $458 |
| Ketoconazole | Generic | 19 | 11 | $295 |
| Clobetasol Propionate | Generic | 18 | 15 | $1,497 |
| Fluorouracil | Generic | 15 | 14 | $1,940 |
Frequently asked questions
What is Dr. Ruth Larson's medical specialty?
Dr. Ruth Larson practices Specialist in Poway, CA.
Where does Dr. Ruth Larson practice?
Dr. Ruth Larson practices at 15525 Pomerado RD, Poway, CA 920642435. Office phone: 8584513311.
What is Dr. Ruth Larson's NPI?
Dr. Ruth Larson's National Provider Identifier (NPI) is 1538167911, issued by NPPES.
Does Dr. Ruth Larson accept Medicare assignment?
Yes. Dr. Ruth Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Larson commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.