Physician Profile
Based in Cathedral City, CA, Karen Antwiler, M.D. is listed in the NPI registry under addiction medicine. Karen is also listed as specializing in family medicine. Medicare claims data shows Karen provided 561 services to 262 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, psychotherapy with evaluation and management visit, 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. NPI 1598255465 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
67780 E PALM CANYON DR
Cathedral City, CA 92234
39000 Bob Hope Dr
Rancho Mirage, CA 92270
561 services · 262 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
87 | As often as other peers in Addiction Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
243 | More often than most peers in Addiction Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
78 | As often as other peers in Addiction Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
34 | As often as other peers in Addiction Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
30 | Less often than most peers in Addiction Medicine |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
29 | As often as other peers in Addiction Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 | More often than most peers in Addiction Medicine |
| Testing for presence of drug, read by direct observation | Lab test | 80305 |
18 | Less often than most peers in Addiction Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
14 | Less often than most peers in Addiction Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Karen Antwiler is an addiction medicine in Cathedral City, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karen Antwiler is listed at 67780 E Palm Canyon Dr, Cathedral City, CA 92234. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (760) 773-4300. Contact the office directly to confirm availability and scheduling.
NPI registry
Karen Antwiler's National Provider Identifier is 1598255465. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Karen Antwiler attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Karen Antwiler has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Karen Antwiler provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Karen Antwiler. If this is you, claiming it is free.
Guide.md
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