Doctor profile · Federal record
Dr. Andrew Ma, MD
Infectious Disease Physician (CMS: Infectious Disease) · Thousand Oaks, CA
- NPI 1528299708
- Accepts Medicare
- MIPS 82.4 / 100 · 2023
- 17 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2220 Lynn RD Ste 301
Thousand Oaks, CA 913608005
(805) 495-1073
fax (805) 495-5836
Credentials & registration
- NPI registered
- August 2009 — 17 yrs on file
- Profile last updated
- October 2, 2018
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- California #A115952
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528299708. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,108
Distinct HCPCS
6
Medicare allowed
$224,108
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,194 | 343 | $82 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 469 | 240 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 266 | 240 | $179 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 105 | 59 | $97 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 40 | 20 | $73 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 34 | 34 | $234 |
In context: peer comparison
Among 3 peers in Thousand Oaks Infectious Disease Physician, average services per provider: 231. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$117
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Shionogi INC | 1 | $89.75 | |
| Cumberland Pharmaceuticals, INC. | 1 | $27.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
303
Patients
16
Total drug cost
$187,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 34 | 0 | $535 |
| Ethambutol Hcl | Generic | 31 | 0 | $1,216 |
| Vancomycin Hcl | Generic | 31 | 0 | $4,830 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 26 | 0 | $749 |
| Fluconazole | Generic | 25 | 0 | $780 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 22 | 16 | $330 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 22 | 0 | $8,265 |
| Daptomycin | Generic | 16 | 0 | $5,034 |
| Piperacillin-Tazobactam (Piperacillin Sodium/Tazobactam) | Brand | 16 | 0 | $6,217 |
| Doxycycline Hyclate | Generic | 15 | 0 | $371 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Ma's medical specialty?
Dr. Andrew Ma practices Infectious Disease Physician in Thousand Oaks, CA.
Where does Dr. Andrew Ma practice?
Dr. Andrew Ma practices at 2220 Lynn RD Ste 301, Thousand Oaks, CA 913608005. Office phone: 8054951073.
What is Dr. Andrew Ma's NPI?
Dr. Andrew Ma's National Provider Identifier (NPI) is 1528299708, issued by NPPES.
Does Dr. Andrew Ma accept Medicare assignment?
Yes. Dr. Andrew Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Ma commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.