Doctor profile · Federal record
Dr. Cynthia Williams, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Torrance, CA
- NPI 1265485049
- MIPS 93.1 / 100 · 2023
- 39 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
23560 Madison St., Suite 103
Torrance, CA 905054709
(310) 325-9200
fax (310) 325-9201 - Mailing address
-
23560 Madison St, Suite 103
Torrance, CA 905054708
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- December 1, 2017
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- California #G75853
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265485049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,979
Distinct HCPCS
10
Medicare allowed
$293,836
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 648 | 231 | $122 | |
36415 |
Insertion of needle into vein for collection of blood sample | 625 | 244 | $8 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 520 | 220 | $25 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 431 | 179 | $64 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 419 | 186 | $77 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 274 | 157 | $51 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 233 | 154 | $182 | |
82043 |
Urine microalbumin (protein) level | 215 | 171 | $6 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 214 | 170 | $5 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 172 | 149 | $15 |
In context: peer comparison
Among 9 peers in Torrance Endocrinology, Diabetes & Metabolism Physician, average services per provider: 425. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Millicent US INC | 1 | $13.35 | |
| Novo Nordisk INC | 1 | $13.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,762
Patients
631
Total drug cost
$530,230
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 364 | 88 | $3,581 |
| Levothyroxine Sodium | Generic | 349 | 78 | $6,797 |
| Synthroid (Levothyroxine Sodium) | Brand | 227 | 51 | $26,494 |
| Ezetimibe | Generic | 199 | 52 | $10,082 |
| Olmesartan Medoxomil | Generic | 193 | 45 | $10,439 |
| Ozempic (Semaglutide) | Brand | 185 | 35 | $218,210 |
| Montelukast Sodium | Generic | 171 | 43 | $4,048 |
| Rosuvastatin Calcium | Generic | 158 | 43 | $3,583 |
| Losartan Potassium | Generic | 157 | 46 | $1,783 |
| Alprazolam | Generic | 143 | 27 | $892 |
Frequently asked questions
What is Dr. Cynthia Williams's medical specialty?
Dr. Cynthia Williams practices Endocrinology, Diabetes & Metabolism Physician in Torrance, CA.
Where does Dr. Cynthia Williams practice?
Dr. Cynthia Williams practices at 23560 Madison St., Torrance, CA 905054709. Office phone: 3103259200.
What is Dr. Cynthia Williams's NPI?
Dr. Cynthia Williams's National Provider Identifier (NPI) is 1265485049, issued by NPPES.
Does Dr. Cynthia Williams accept Medicare assignment?
Dr. Cynthia Williams does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Cynthia Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.