Doctor profile · Federal record
Dr. Kenneth Horwitz, M.D.
Internal Medicine Physician · Anaheim, CA
- NPI 1225138829
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1211 W la Palma Ave, Suite 207
Anaheim, CA 928012815
(714) 772-8282
fax (714) 772-6493 - Mailing address
-
Po Box 15090
Anaheim, CA 928035090
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G59007
- Medicaid
- CA #00G590070
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225138829. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
209
Distinct HCPCS
4
Medicare allowed
$23,390
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 95 | 42 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 44 | $98 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 26 | 26 | $140 | |
G2012 |
Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic | 25 | 16 | $13 |
In context: peer comparison
Among 33 peers in Anaheim Internal Medicine Physician, average services per provider: 165. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$1,399
Transactions
53
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 5 | $292.52 | |
| Gilead Sciences, INC. | 7 | $257.75 | |
| ViiV Healthcare Company | 9 | $166.07 | |
| Novo Nordisk INC | 8 | $158.74 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $108.83 | |
| Lilly USA, LLC | 3 | $67.54 | |
| Napo Pharmaceuticals INC | 2 | $55.96 | |
| Novartis Pharmaceuticals Corporation | 3 | $53.67 | |
| Pfizer INC. | 3 | $52.74 | |
| Janssen Pharmaceuticals, INC | 3 | $51.35 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $42.84 | |
| Abbott Laboratories | 1 | $29.39 | |
| Sanofi Pasteur INC. | 1 | $24.68 | |
| Merck Sharp & Dohme LLC | 1 | $21.42 | |
| Seqirus USA INC | 1 | $15.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,864
Patients
895
Total drug cost
$316,991
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 405 | 129 | $6,254 |
| Amlodipine Besylate | Generic | 329 | 109 | $3,246 |
| Rosuvastatin Calcium | Generic | 293 | 90 | $12,354 |
| Losartan Potassium | Generic | 257 | 77 | $4,223 |
| Metoprolol Succinate | Generic | 257 | 80 | $6,094 |
| Ozempic (Semaglutide) | Brand | 239 | 49 | $263,767 |
| Levothyroxine Sodium | Generic | 175 | 53 | $3,925 |
| Metformin Hcl | Generic | 143 | 41 | $1,404 |
| Lisinopril | Generic | 128 | 41 | $1,565 |
| Diclofenac Sodium | Generic | 110 | 40 | $5,966 |
Frequently asked questions
What is Dr. Kenneth Horwitz's medical specialty?
Dr. Kenneth Horwitz practices Internal Medicine Physician in Anaheim, CA.
Where does Dr. Kenneth Horwitz practice?
Dr. Kenneth Horwitz practices at 1211 W la Palma Ave, Anaheim, CA 928012815. Office phone: 7147728282.
What is Dr. Kenneth Horwitz's NPI?
Dr. Kenneth Horwitz's National Provider Identifier (NPI) is 1225138829, issued by NPPES.
What procedures does Dr. Kenneth Horwitz 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.