Are you Cynthia Williams, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 23560 Madison St., Suite 103, Torrance, CA 90505
About Dr. Williams
Cynthia Williams, M.D. is a healthcare provider in Torrance, CA specializing in endocrinology, diabetes & metabolism. Cynthia trained at Ohio State University College of Medicine, graduating in 1987. Medicare claims data shows Cynthia provided 5,692 services to 2,842 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and insertion of needle into vein for collection of blood sample. This provider record is associated with NPI 1265485049.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 325-9200
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
23560 MADISON ST. SUITE 103
Torrance, CA 90505
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
- Thyroid Uptake and Scan
- Thyroid Cyst Alcohol Ablation
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
5,692 services · 2,842 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
601 | More often than most peers in Endocrinology, Diabetes &… |
| Removal of impacted ear wax | Procedure | 69210 |
28 | Too few peers to compare |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
88 | More often than most peers in Endocrinology, Diabetes &… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
190 | More than most peers in Endocrinology, Diabetes &… |
| Influenza vaccine, inactivated | Treatment | 90653 |
122 | More than most peers in Endocrinology, Diabetes &… |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
71 | As often as other peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
63 | As often as other peers in Endocrinology, Diabetes &… |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
50 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
896 | More than most peers in Endocrinology, Diabetes &… |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
787 | More often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other endocrinologists in Torrance 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Cynthia Williams?
Cynthia Williams is an endocrinologist in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
What is Cynthia Williams's address?
Cynthia Williams is listed at 23560 Madison St. Suite 103, Torrance, CA 90505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Cynthia Williams?
The number on file is (310) 325-9200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Cynthia Williams?
Cynthia Williams's National Provider Identifier is 1265485049. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Cynthia Williams train?
Cynthia Williams attended Ohio State University College of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Cynthia Williams have?
Cynthia Williams has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Cynthia Williams perform?
According to Medicare billing data, Cynthia Williams performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax; reads or performs imaging such as ultrasound scan of head and neck soft tissue; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Cynthia Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Cynthia Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.