Doctor profile · Federal record
Dr. Karen Westermoe, MD
Gynecology Physician (CMS: Obstetrics/Gynecology) · San Dimas, CA
- NPI 1366593949
- Accepts Medicare
- 42 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1119 Via Verde
San Dimas, CA 91773
(909) 592-9846
fax (909) 592-2837
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207VG0400X — NUCC code
- State license (1)
- California #G57488
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366593949. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,109
Distinct HCPCS
10
Medicare allowed
$71,518
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
82270 |
Stool analysis for blood to screen for colon tumors | 262 | 262 | $4 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 172 | 172 | $43 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 172 | 172 | $49 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 120 | 86 | $99 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 119 | 93 | $138 | |
81002 |
Urinalysis, manual test | 101 | 54 | $3 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 100 | 100 | $194 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 31 | 22 | $62 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $180 |
In context: peer comparison
Among 1 peers in San Dimas Gynecology Physician, average services per provider: 110. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exeltis, USA INC. | 1 | $14.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
438
Patients
86
Total drug cost
$55,757
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 127 | 42 | $12,462 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 42 | 31 | $850 |
| Alendronate Sodium | Generic | 29 | 0 | $517 |
| Fluconazole | Generic | 24 | 0 | $57 |
| Premarin (Estrogens, Conjugated) | Brand | 24 | 0 | $7,920 |
| Eszopiclone | Generic | 22 | 0 | $343 |
| Clobetasol Propionate | Generic | 21 | 13 | $557 |
| Progesterone (Progesterone, Micronized) | Brand | 21 | 0 | $872 |
| Yuvafem (Estradiol) | Brand | 20 | 0 | $4,360 |
| Estring (Estradiol) | Brand | 19 | 0 | $10,260 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Westermoe's medical specialty?
Dr. Karen Westermoe practices Gynecology Physician in San Dimas, CA.
Where does Dr. Karen Westermoe practice?
Dr. Karen Westermoe practices at 1119 Via Verde, San Dimas, CA 91773. Office phone: 9095929846.
What is Dr. Karen Westermoe's NPI?
Dr. Karen Westermoe's National Provider Identifier (NPI) is 1366593949, issued by NPPES.
Does Dr. Karen Westermoe accept Medicare assignment?
Yes. Dr. Karen Westermoe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Westermoe commonly perform?
Top Medicare-reported procedures in 2023: Stool analysis for blood to screen for colon tumors (HCPCS 82270); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.