Doctor profile · Federal record
Dr. Joseph Barrera, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Mission Viejo, CA
- NPI 1629054630
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
26800 Crown Valley Pkwy, Suite 230
Mission Viejo, CA 926916384
(949) 542-8004
fax (949) 364-3682 - Mailing address
-
26522 la Alameda, Suite 120
Mission Viejo, CA 926916330
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- October 15, 2021
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- California #G64643
- Medicaid
- CA #00G646430
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629054630. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,585
Distinct HCPCS
10
Medicare allowed
$137,186
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 900 | 11 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 509 | 288 | $139 | |
36415 |
Insertion of needle into vein for collection of blood sample | 250 | 136 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 224 | 127 | $13 | |
80053 |
Blood test, comprehensive group of blood chemicals | 219 | 128 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 215 | 132 | $16 | |
84439 |
Thyroxine (thyroid chemical), free | 204 | 119 | $9 | |
83036 |
Hemoglobin a1c level | 146 | 82 | $10 | |
82306 |
Vitamin d-3 level | 120 | 85 | $29 | |
96372 |
Injection of drug or substance under skin or into muscle | 99 | 21 | $16 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 148. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$674
Transactions
37
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 15 | $239.12 | |
| Novo Nordisk Inc | 3 | $54.94 | |
| Medtronic, Inc. | 2 | $54.74 | |
| RECORDATI_RARE_DISEASES_INC. | 2 | $46.13 | |
| Lilly USA, LLC | 2 | $41.25 | |
| BETA BIONICS, INC. | 4 | $40.60 | |
| Insulet Corporation | 1 | $35.07 | |
| Alexion Pharmaceuticals, Inc. | 1 | $29.03 | |
| Radius Health, Inc. | 1 | $23.79 | |
| Tandem Diabetes Care, Inc. | 1 | $22.41 | |
| Amgen Inc. | 1 | $20.68 | |
| Xeris Pharmaceuticals, Inc. | 1 | $19.31 | |
| Kyowa Kirin, Inc. | 1 | $18.90 | |
| SANOFI-AVENTIS U.S. LLC | 1 | $17.77 | |
| CeQur Corporation | 1 | $9.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,313
Patients
619
Total drug cost
$710,089
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 413 | 103 | $7,185 |
| Synthroid (Levothyroxine Sodium) | Brand | 334 | 81 | $36,939 |
| Metformin Hcl | Generic | 213 | 65 | $2,114 |
| Rosuvastatin Calcium | Generic | 166 | 53 | $6,545 |
| Jardiance (Empagliflozin) | Brand | 150 | 36 | $187,690 |
| Atorvastatin Calcium | Generic | 146 | 44 | $2,096 |
| Ozempic (Semaglutide) | Brand | 133 | 29 | $214,847 |
| Glimepiride | Generic | 115 | 33 | $2,027 |
| Simvastatin | Generic | 104 | 31 | $1,414 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 102 | 30 | $1,846 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Barrera's medical specialty?
Dr. Joseph Barrera practices Endocrinology, Diabetes & Metabolism Physician in Mission Viejo, CA.
Where does Dr. Joseph Barrera practice?
Dr. Joseph Barrera practices at 26800 Crown Valley Pkwy, Mission Viejo, CA 926916384. Office phone: 9495428004.
What is Dr. Joseph Barrera's NPI?
Dr. Joseph Barrera's National Provider Identifier (NPI) is 1629054630, issued by NPPES.
Does Dr. Joseph Barrera accept Medicare assignment?
Yes. Dr. Joseph Barrera accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Barrera commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.