Doctor profile · Federal record
Dr. Michael Bishara, M.D.
Addiction Medicine (Internal Medicine) Physician (CMS: Addiction Medicine) · Riverside, CA
- NPI 1144311044
- Accepts Medicare
- 45 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
6896 Magnolia Ave
Riverside, CA 925062843
(951) 787-4885
fax (951) 787-4962
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 12, 2012
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RA0401X — NUCC code
- State license (1)
- California #A432060
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144311044. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
732
Distinct HCPCS
5
Medicare allowed
$69,615
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 372 | 49 | $93 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 180 | 39 | $81 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 133 | 48 | $121 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 33 | 23 | $64 | |
G0481 |
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms | 14 | 12 | $153 |
In context: peer comparison
Among 1 peers in Riverside Addiction Medicine (Internal Medicine) Physician, average services per provider: 146. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$270
Transactions
13
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Braeburn INC. | 3 | $71.08 | |
| Abbvie INC. | 4 | $63.48 | |
| Alkermes, INC. | 2 | $56.27 | |
| Indivior INC. | 2 | $38.91 | |
| Hologic Sales and Service, LLC | 1 | $25.92 | |
| Valinor Pharma, LLC | 1 | $14.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
921
Patients
217
Total drug cost
$97,364
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 279 | 56 | $53,369 |
| Buprenorphine Hcl | Generic | 61 | 0 | $4,012 |
| Atorvastatin Calcium | Generic | 60 | 23 | $662 |
| Lisinopril | Generic | 59 | 23 | $512 |
| Atenolol | Generic | 55 | 13 | $599 |
| Amlodipine Besylate | Generic | 54 | 21 | $485 |
| Ibuprofen | Generic | 44 | 12 | $452 |
| Gabapentin | Generic | 43 | 17 | $972 |
| Methocarbamol | Generic | 43 | 11 | $356 |
| Pantoprazole Sodium | Generic | 43 | 16 | $486 |
Frequently asked questions
What is Dr. Michael Bishara's medical specialty?
Dr. Michael Bishara practices Addiction Medicine (Internal Medicine) Physician in Riverside, CA.
Where does Dr. Michael Bishara practice?
Dr. Michael Bishara practices at 6896 Magnolia Ave, Riverside, CA 925062843. Office phone: 9517874885.
What is Dr. Michael Bishara's NPI?
Dr. Michael Bishara's National Provider Identifier (NPI) is 1144311044, issued by NPPES.
Does Dr. Michael Bishara accept Medicare assignment?
Yes. Dr. Michael Bishara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bishara commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.