Doctor profile · Federal record
Dr. Karen Antwiler, M.D.
Addiction Medicine (Family Medicine) Physician (CMS: Addiction Medicine) · Cathedral City, CA
- NPI 1598255465
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
67780 E Palm Canyon Dr
Cathedral City, CA 922345441
(760) 773-4300
fax (760) 837-8994 - Additional location
-
39000 Bob Hope Dr
Rancho Mirage, CA 922703221
(760) 340-3911 - Mailing address
-
67555 E Palm Canyon Dr Ste C113
Cathedral City, CA 922345412
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- February 4, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207QA0401X — NUCC code
- State license (1)
- California #A178391
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598255465. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
124
Distinct HCPCS
3
Medicare allowed
$13,626
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 92 | 35 | $99 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $136 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 11 | $146 |
In context: peer comparison
Among 1 peers in Cathedral City Addiction Medicine (Family Medicine) Physician, average services per provider: 41. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$254
Transactions
7
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 2 | $130.60 | |
| Braeburn INC. | 2 | $33.06 | |
| Indivior INC. | 1 | $31.83 | |
| Vertex Pharmaceuticals Incorporated | 1 | $29.11 | |
| Alkermes, INC. | 1 | $29.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
129
Patients
24
Total drug cost
$17,028
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 39 | 11 | $10,039 |
| Naltrexone Hcl | Generic | 30 | 13 | $1,657 |
| Gabapentin | Generic | 19 | 0 | $394 |
| Buprenorphine Hcl | Generic | 17 | 0 | $966 |
| Acamprosate Calcium | Generic | 13 | 0 | $3,914 |
| Trazodone Hcl | Generic | 11 | 0 | $58 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Antwiler's medical specialty?
Dr. Karen Antwiler practices Addiction Medicine (Family Medicine) Physician in Cathedral City, CA.
Where does Dr. Karen Antwiler practice?
Dr. Karen Antwiler practices at 67780 E Palm Canyon Dr, Cathedral City, CA 922345441. Office phone: 7607734300.
What is Dr. Karen Antwiler's NPI?
Dr. Karen Antwiler's National Provider Identifier (NPI) is 1598255465, issued by NPPES.
Does Dr. Karen Antwiler accept Medicare assignment?
Yes. Dr. Karen Antwiler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Antwiler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.