Doctor profile · Federal record
Dr. Clayton Naddell, MD
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Mission Hills, CA
- NPI 1699126904
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
11600 Indian Hills RD Ste 102
Mission Hills, CA 913451225
(818) 838-4500 - Additional location
-
1120 W Washington Blvd
Los Angeles, CA 900153316
(213) 623-2225 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- March 9, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A156330
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699126904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
137
Distinct HCPCS
5
Medicare allowed
$11,835
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 44 | $97 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 30 | 22 | $39 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 15 | $139 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 14 | 14 | $140 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 13 | 13 | $21 |
In context: peer comparison
Among 32 peers in this city , average services per provider: 108. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
5,331
Patients
1,889
Total drug cost
$108,176
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 883 | 296 | $17,093 |
| Metformin Hcl | Generic | 567 | 192 | $7,256 |
| Amlodipine Besylate | Generic | 458 | 150 | $5,820 |
| Lisinopril | Generic | 403 | 136 | $5,192 |
| Losartan Potassium | Generic | 378 | 120 | $7,354 |
| Omeprazole | Generic | 312 | 128 | $5,340 |
| Levothyroxine Sodium | Generic | 298 | 93 | $7,569 |
| Rosuvastatin Calcium | Generic | 287 | 106 | $16,568 |
| Diclofenac Sodium | Generic | 273 | 129 | $7,858 |
| Gabapentin | Generic | 269 | 97 | $5,843 |
Frequently asked questions
What is Dr. Clayton Naddell's medical specialty?
Dr. Clayton Naddell practices Internal Medicine Physician in Mission Hills, CA.
Where does Dr. Clayton Naddell practice?
Dr. Clayton Naddell practices at 11600 Indian Hills RD Ste 102, Mission Hills, CA 913451225. Office phone: 8188384500.
What is Dr. Clayton Naddell's NPI?
Dr. Clayton Naddell's National Provider Identifier (NPI) is 1699126904, issued by NPPES.
Does Dr. Clayton Naddell accept Medicare assignment?
Yes. Dr. Clayton Naddell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clayton Naddell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99441); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.