Physician Profile
Unclaimed ProfileAbout MOSTYN
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Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Mostyn?
Dr. Mostyn is an internal medicine in Palm Desert, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Mostyn's address?
Dr. 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
How can I make an appointment with Dr. Mostyn?
The number on file is (760) 341-8800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mostyn?
Dr. 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
Where did Dr. Mostyn train?
Dr. Mostyn attended Other, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mostyn have?
Dr. Mostyn has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mostyn perform?
According to Medicare billing data, Dr. 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
Is Dr. Mostyn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mostyn. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (760) 341-8800
- Email not available
Practice Locations
74990 COUNTRY CLUB DR SUITE # 310
Palm Desert, CA 92260
Procedures Most Often Billed to Medicare
307 services · 196 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
154 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
32 |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
29 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
22 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
22 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Palm Desert 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1979 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.