Doctor profile · Federal record
Dr. James Ahern, MD
Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Ventura, CA
- NPI 1508359423
- Accepts Medicare
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6633 Telephone RD Ste 100
Ventura, CA 930035569
(805) 644-9121 - Additional location
-
300 Hillmont Ave, Bldg 340, Suite 201
Ventura, CA 93003
(805) 652-6100
fax (805) 652-3252 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- September 28, 2021
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A164158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508359423. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,615
Distinct HCPCS
10
Medicare allowed
$167,863
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 630 | 279 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 211 | 173 | $76 | |
36415 |
Insertion of needle into vein for collection of blood sample | 135 | 108 | $8 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 115 | 115 | $234 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 97 | 97 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 66 | 57 | $171 | |
G0008 |
Administration of influenza virus vaccine | 63 | 63 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 57 | 57 | $72 | |
99496 |
Transitional care management services for problem of high complexity | 57 | 48 | $220 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 56 | 45 | $114 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 76. This provider delivers 21× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,116
Patients
390
Total drug cost
$18,804
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 199 | 79 | $3,040 |
| Levothyroxine Sodium | Generic | 111 | 34 | $1,813 |
| Amlodipine Besylate | Generic | 93 | 37 | $963 |
| Tamsulosin Hcl | Generic | 91 | 33 | $2,481 |
| Losartan Potassium | Generic | 88 | 33 | $1,612 |
| Omeprazole | Generic | 72 | 25 | $1,324 |
| Trazodone Hcl | Generic | 66 | 30 | $765 |
| Rosuvastatin Calcium | Generic | 65 | 25 | $1,238 |
| Escitalopram Oxalate | Generic | 56 | 18 | $1,482 |
| Lorazepam | Generic | 50 | 11 | $337 |
Hospital affiliations
Frequently asked questions
What is Dr. James Ahern's medical specialty?
Dr. James Ahern practices Family Medicine Physician in Ventura, CA.
Where does Dr. James Ahern practice?
Dr. James Ahern practices at 6633 Telephone RD Ste 100, Ventura, CA 930035569. Office phone: 8056449121.
What is Dr. James Ahern's NPI?
Dr. James Ahern's National Provider Identifier (NPI) is 1508359423, issued by NPPES.
Does Dr. James Ahern accept Medicare assignment?
Yes. Dr. James Ahern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Ahern commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.