Doctor profile · Federal record
Dr. William Mostow, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Sun City, AZ
- NPI 1922057348
- Accepts Medicare
- MIPS 74.0 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
14502 West Meeker Boulevard
Sun City, AZ 85375
(623) 214-4000 - Mailing address
-
2100 Powell Street Ste 920
Emeryville, CA 946081803
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 14, 2009
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Arizona #26337
- Medicaid
- AZ #428236
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922057348. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,297
Distinct HCPCS
4
Medicare allowed
$144,294
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 651 | 628 | $171 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 454 | 423 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 112 | 109 | $118 | |
99291 |
Critical care, first 30-74 minutes | 80 | 77 | $207 |
In context: peer comparison
Among 7 peers in Sun City Emergency Medicine Physician, average services per provider: 122. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Csl Behring | 1 | $20.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
96
Patients
96
Total drug cost
$494
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 31 | 31 | $235 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 20 | 20 | $85 |
| Prednisone | Generic | 19 | 19 | $41 |
| Azithromycin | Generic | 13 | 13 | $58 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 13 | $74 |
Frequently asked questions
What is Dr. William Mostow's medical specialty?
Dr. William Mostow practices Emergency Medicine Physician in Sun City, AZ.
Where does Dr. William Mostow practice?
Dr. William Mostow practices at 14502 West Meeker Boulevard, Sun City, AZ 85375. Office phone: 6232144000.
What is Dr. William Mostow's NPI?
Dr. William Mostow's National Provider Identifier (NPI) is 1922057348, issued by NPPES.
Does Dr. William Mostow accept Medicare assignment?
Yes. Dr. William Mostow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mostow commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.