Doctor profile · Federal record
Dr. Tamara Maher, D.O
Adult Medicine Physician (CMS: Family Practice) · Los Alamitos, CA
- NPI 1598750473
- Accepts Medicare
- 36 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10861 Cherry St, Suite 106
Los Alamitos, CA 907205402
(562) 431-9200
fax (562) 431-9232 - Mailing address
-
10861 Cherry St Ste 106
Los Alamitos, CA 907205403
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- December 2, 2025
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207QA0505X — NUCC code
- State license (1)
- California #20A6084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598750473. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
711
Distinct HCPCS
5
Medicare allowed
$97,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 579 | 162 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 51 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 33 | $194 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $180 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 12 | 12 | $16 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 142. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$1,034
Transactions
48
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 8 | $276.79 | |
| Edwards Lifesciences Corporation | 5 | $193.55 | |
| Exact Sciences Corporation | 10 | $183.60 | |
| Bausch Health US, LLC | 14 | $156.56 | |
| Lilly USA, LLC | 3 | $59.94 | |
| Abbott Laboratories | 2 | $37.74 | |
| Novo Nordisk Inc | 2 | $30.82 | |
| Mannkind Corporation | 1 | $26.58 | |
| Astellas Pharma US Inc | 1 | $25.45 | |
| ABBVIE INC. | 1 | $21.84 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $21.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,713
Patients
846
Total drug cost
$68,590
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 502 | 158 | $24,155 |
| Amlodipine Besylate | Generic | 307 | 92 | $2,842 |
| Losartan Potassium | Generic | 269 | 72 | $3,882 |
| Levothyroxine Sodium | Generic | 262 | 77 | $6,378 |
| Atorvastatin Calcium | Generic | 220 | 60 | $4,167 |
| Ezetimibe | Generic | 162 | 46 | $11,412 |
| Escitalopram Oxalate | Generic | 137 | 46 | $2,315 |
| Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) | Brand | 129 | 38 | $4,681 |
| Pravastatin Sodium | Generic | 126 | 34 | $1,956 |
| Metformin Hcl | Generic | 102 | 29 | $1,587 |
Frequently asked questions
What is Dr. Tamara Maher's medical specialty?
Dr. Tamara Maher practices Adult Medicine Physician in Los Alamitos, CA.
Where does Dr. Tamara Maher practice?
Dr. Tamara Maher practices at 10861 Cherry St, Los Alamitos, CA 907205402. Office phone: 5624319200.
What is Dr. Tamara Maher's NPI?
Dr. Tamara Maher's National Provider Identifier (NPI) is 1598750473, issued by NPPES.
Does Dr. Tamara Maher accept Medicare assignment?
Yes. Dr. Tamara Maher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamara Maher 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.