Doctor profile · Federal record
Dr. William Clark, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Addiction (Substance Use Disorder) Counselor · General Practice Physician · Escalon, CA
- NPI 1770690430
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1631 4Th St
Escalon, CA 953202007
(209) 838-3434 - Additional location
-
1235 McHenry Ave
Modesto, CA 953505370
(818) 398-8527
fax (209) 254-7900 - Mailing address
-
1235 McHenry Ave
Modesto, CA 953505370
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- May 12, 2022
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- California #20A8748 · Indiana #02002521A
- Medicaid
- CA #00AX87480
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770690430. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
666
Distinct HCPCS
7
Medicare allowed
$79,081
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 240 | 218 | $174 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 169 | 152 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 121 | 118 | $120 | |
99291 |
Critical care, first 30-74 minutes | 85 | 80 | $213 | |
99292 |
Critical care, each additional 30 minutes | 21 | 20 | $107 | |
71045 |
X-ray of chest, 1 view | 15 | 15 | $9 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 14 | $71 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 95. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
108
Patients
107
Total drug cost
$706
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 30 | 30 | $216 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 23 | 23 | $135 |
| Ondansetron Odt (Ondansetron) | Brand | 19 | 18 | $180 |
| Prednisone | Generic | 19 | 19 | $32 |
| Levofloxacin | Generic | 17 | 17 | $144 |
Hospital affiliations
Frequently asked questions
What is Dr. William Clark's medical specialty?
Dr. William Clark practices Emergency Medicine Physician in Escalon, CA.
Where does Dr. William Clark practice?
Dr. William Clark practices at 1631 4Th St, Escalon, CA 953202007. Office phone: 2098383434.
What is Dr. William Clark's NPI?
Dr. William Clark's National Provider Identifier (NPI) is 1770690430, issued by NPPES.
Does Dr. William Clark accept Medicare assignment?
Yes. Dr. William Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Clark 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.