Physician Profile
William Ray Mostow, M.D.
Unclaimed ProfileAbout Dr. Mostow
William Ray Mostow, M.D. practices emergency medicine in Sun City, AZ. William is a 1989 graduate of Northwestern University Feinberg Medical School. According to Medicare claims data, William cared for 1,027 Medicare patients across 1,045 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (623) 214-4000
- Email not available
Practice Locations
14502 WEST MEEKER BOULEVARD
Sun City, AZ 85375
Procedures Most Often Billed to Medicare
1,045 services · 1,027 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
361 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
519 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
89 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
76 |
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.
Other emergency medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Other emergency medicines in Sun City 7
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Mostow?
Dr. Mostow is an emergency medicine in Sun City, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Mostow's address?
Dr. Mostow is listed at 14502 WEST MEEKER BOULEVARD, Sun City, AZ 85375. 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. Mostow?
The number on file is (623) 214-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mostow's NPI number?
Dr. Mostow's National Provider Identifier is 1922057348. 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. Mostow train?
Dr. Mostow attended Northwestern University Feinberg Medical School, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mostow been practicing?
Dr. Mostow has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mostow perform?
According to Medicare billing data, Dr. Mostow provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mostow confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mostow. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.