Doctor profile · Federal record
Dr. James Hornstein, M.D.
Family Medicine Physician (CMS: Family Practice) · Ventura, CA
- NPI 1629116587
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 46 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2793 Loma Vista RD
Ventura, CA 930031544
(805) 643-9292
fax (805) 643-3626
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- March 23, 2015
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #770183168
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629116587. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,426
Distinct HCPCS
10
Medicare allowed
$229,567
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 584 | 208 | $97 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 545 | 102 | $67 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 532 | 229 | $137 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 218 | 135 | $97 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 202 | 80 | $51 | |
G0008 |
Administration of influenza virus vaccine | 61 | 61 | $33 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 56 | 45 | $137 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 54 | 54 | $74 | |
99497 |
Advance care planning, first 30 minutes | 40 | 40 | $88 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | 34 | $139 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 76. This provider delivers 32× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,252
Patients
643
Total drug cost
$36,245
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 417 | 117 | $5,569 |
| Rosuvastatin Calcium | Generic | 300 | 89 | $8,139 |
| Atorvastatin Calcium | Generic | 233 | 68 | $3,231 |
| Levothyroxine Sodium | Generic | 215 | 54 | $3,500 |
| Hydrochlorothiazide | Generic | 137 | 40 | $514 |
| Amlodipine Besylate | Generic | 130 | 31 | $1,044 |
| Metformin Hcl | Generic | 126 | 41 | $1,586 |
| Simvastatin | Generic | 109 | 28 | $899 |
| Metoprolol Succinate | Generic | 106 | 30 | $1,980 |
| Nifedipine Er (Nifedipine) | Brand | 97 | 32 | $3,504 |
Hospital affiliations
Frequently asked questions
What is Dr. James Hornstein's medical specialty?
Dr. James Hornstein practices Family Medicine Physician in Ventura, CA.
Where does Dr. James Hornstein practice?
Dr. James Hornstein practices at 2793 Loma Vista RD, Ventura, CA 930031544. Office phone: 8056439292.
What is Dr. James Hornstein's NPI?
Dr. James Hornstein's National Provider Identifier (NPI) is 1629116587, issued by NPPES.
Does Dr. James Hornstein accept Medicare assignment?
Yes. Dr. James Hornstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Hornstein commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.