Doctor profile · Federal record
Dr. Tracy Siegfried, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Laguna Hills, CA
- NPI 1366598591
- Accepts Medicare
- MIPS 79.0 / 100 · 2023
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
24331 El Toro RD Ste 330
Laguna Hills, CA 926372754
(949) 716-0833
fax (949) 716-0830 - Additional location
-
24221 Calle de la Louisa, Suite 400
Laguna Hills, CA 926537638
(949) 465-8155
fax (949) 465-8159 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- November 28, 2025
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A62919
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366598591. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,948
Distinct HCPCS
10
Medicare allowed
$121,975
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 425 | 252 | $138 | |
G0446 |
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | 232 | 232 | $28 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 226 | 226 | $141 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 160 | 157 | $16 | |
36415 |
Insertion of needle into vein for collection of blood sample | 125 | 94 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 109 | 92 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 98 | 87 | $13 | |
82607 |
Cyanocobalamin (vitamin b-12) level | 92 | 85 | $15 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 90 | 82 | $16 | |
82306 |
Vitamin d-3 level | 88 | 81 | $29 |
In context: peer comparison
Among 14 peers in Laguna Hills Internal Medicine Physician, average services per provider: 136. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,425
Patients
968
Total drug cost
$59,734
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 584 | 164 | $10,818 |
| Levothyroxine Sodium | Generic | 487 | 130 | $10,729 |
| Amlodipine Besylate | Generic | 373 | 99 | $3,855 |
| Lisinopril | Generic | 277 | 72 | $3,761 |
| Losartan Potassium | Generic | 264 | 73 | $4,901 |
| Rosuvastatin Calcium | Generic | 213 | 73 | $6,058 |
| Omeprazole | Generic | 191 | 60 | $3,679 |
| Simvastatin | Generic | 189 | 53 | $2,831 |
| Metformin Hcl | Generic | 164 | 45 | $2,004 |
| Trazodone Hcl | Generic | 131 | 31 | $1,252 |
Hospital affiliations
Frequently asked questions
What is Dr. Tracy Siegfried's medical specialty?
Dr. Tracy Siegfried practices Internal Medicine Physician in Laguna Hills, CA.
Where does Dr. Tracy Siegfried practice?
Dr. Tracy Siegfried practices at 24331 El Toro RD Ste 330, Laguna Hills, CA 926372754. Office phone: 9497160833.
What is Dr. Tracy Siegfried's NPI?
Dr. Tracy Siegfried's National Provider Identifier (NPI) is 1366598591, issued by NPPES.
Does Dr. Tracy Siegfried accept Medicare assignment?
Yes. Dr. Tracy Siegfried accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tracy Siegfried commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual (HCPCS G0446); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.