Doctor profile · Federal record
Dr. Cynthia Sierra, MD
Family Medicine Physician (CMS: Family Practice) · Chula Vista, CA
- NPI 1437252905
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
865 3Rd Ave, Suite 133
Chula Vista, CA 919111300
(619) 498-6200
fax (619) 427-0134 - Mailing address
-
4004 Beyer Blvd
San Ysidro, CA 921732007
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 1, 2021
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A93042
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437252905. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
19
Distinct HCPCS
1
Medicare allowed
$2,485
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 16 | $131 |
In context: peer comparison
Among 36 peers in this city , average services per provider: 72. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,954
Patients
1,154
Total drug cost
$42,159
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 419 | 169 | $6,152 |
| Levothyroxine Sodium | Generic | 280 | 102 | $6,196 |
| Atenolol | Generic | 224 | 78 | $2,689 |
| Losartan Potassium | Generic | 224 | 86 | $2,624 |
| Amlodipine Besylate | Generic | 220 | 95 | $2,719 |
| Metformin Hcl | Generic | 201 | 87 | $3,453 |
| Omeprazole | Generic | 201 | 79 | $1,986 |
| Rosuvastatin Calcium | Generic | 197 | 80 | $3,508 |
| Lisinopril | Generic | 174 | 65 | $2,080 |
| Simvastatin | Generic | 167 | 66 | $2,042 |
Frequently asked questions
What is Dr. Cynthia Sierra's medical specialty?
Dr. Cynthia Sierra practices Family Medicine Physician in Chula Vista, CA.
Where does Dr. Cynthia Sierra practice?
Dr. Cynthia Sierra practices at 865 3Rd Ave, Chula Vista, CA 919111300. Office phone: 6194986200.
What is Dr. Cynthia Sierra's NPI?
Dr. Cynthia Sierra's National Provider Identifier (NPI) is 1437252905, issued by NPPES.
Does Dr. Cynthia Sierra accept Medicare assignment?
Yes. Dr. Cynthia Sierra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Sierra commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.