Are you Michael Mostyn, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Palm Desert, CA, Michael Mostyn, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Michael provided 307 services to 196 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and telephone medical discussion with physician, 21-30 minutes. NPI 1235166059 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.
74990 COUNTRY CLUB DR SUITE # 310
Palm Desert, CA 92260
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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307 services · 196 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
154 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 | Less often than most peers in Internal Medicine |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
32 | As often as other peers in Internal Medicine |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
29 | Less often than most peers in Internal Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
22 | Less often than most peers in Internal Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
22 | Less often than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
13 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Michael Mostyn is an internist in Palm Desert, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Michael Mostyn is listed at 74990 Country Club Dr Suite # 310, Palm Desert, CA 92260. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (760) 341-8800. Contact the office directly to confirm availability and scheduling.
NPI registry
Michael Mostyn's National Provider Identifier is 1235166059. 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
Michael Mostyn attended Other, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Michael Mostyn has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Michael Mostyn the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 Michael Mostyn. If this is you, claiming it is free.
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