Doctor profile · Federal record
Dr. Maria Mercado, M.D.
Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Chula Vista, CA
- NPI 1851335723
- MIPS 79.2 / 100 · 2023
- 20 yrs on file
- Licensed in 4 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
880 3Rd Ave
Chula Vista, CA 919111305
(619) 205-4585 - Mailing address
-
MS 315010, Po Box 3947
Seattle, WA 981243947
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 25, 2025
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (4)
- California #202331 · Kansas #0430844 · Washington #MD60287498 · Missouri #2004022179
- Medicaid (3)
- MO #207225004 · KS #200357540A · WA #2022404
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851335723. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,028
Distinct HCPCS
9
Medicare allowed
$242,241
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 6,060 | 67 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 481 | 349 | $139 | |
96372 |
Injection of drug or substance under skin or into muscle | 116 | 72 | $16 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 109 | 61 | $37 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 103 | 103 | $185 | |
36415 |
Insertion of needle into vein for collection of blood sample | 50 | 43 | $4 | |
83036 |
Hemoglobin a1c level | 42 | 36 | $9 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 40 | 36 | $195 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 27 | $94 |
In context: peer comparison
Among 2 peers in Chula Vista Endocrinology, Diabetes & Metabolism Physician, average services per provider: 529. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$1,531
Transactions
51
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 16 | $192.02 | |
| Medtronic, INC. | 3 | $191.09 | |
| Lilly USA, LLC | 11 | $189.50 | |
| Tandem Diabetes Care, INC. | 7 | $183.92 | |
| Beta Bionics, INC. | 3 | $170.19 | |
| Xeris Pharmaceuticals, INC. | 2 | $146.07 | |
| Amgen INC. | 1 | $136.76 | |
| Sanofi-Aventis U.S. LLC | 1 | $123.72 | |
| Dexcom, INC. | 3 | $98.19 | |
| Mannkind Corporation | 2 | $47.20 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $26.85 | |
| Radius Health, INC. | 1 | $24.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,042
Patients
691
Total drug cost
$1,096,869
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 398 | 127 | $6,407 |
| Alendronate Sodium | Generic | 278 | 77 | $2,198 |
| Ozempic (Semaglutide) | Brand | 197 | 53 | $302,551 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 149 | 64 | $3,912 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 146 | 59 | $117,478 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 126 | 49 | $148,969 |
| Metformin Hcl | Generic | 124 | 46 | $1,392 |
| Jardiance (Empagliflozin) | Brand | 118 | 41 | $176,098 |
| Trulicity (Dulaglutide) | Brand | 100 | 27 | $169,593 |
| Synthroid (Levothyroxine Sodium) | Brand | 97 | 29 | $10,070 |
Frequently asked questions
What is Dr. Maria Mercado's medical specialty?
Dr. Maria Mercado practices Endocrinology, Diabetes & Metabolism Physician in Chula Vista, CA.
Where does Dr. Maria Mercado practice?
Dr. Maria Mercado practices at 880 3Rd Ave, Chula Vista, CA 919111305. Office phone: 6192054585.
What is Dr. Maria Mercado's NPI?
Dr. Maria Mercado's National Provider Identifier (NPI) is 1851335723, issued by NPPES.
What procedures does Dr. Maria Mercado commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.