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Edit this profileAt a glance
- 15725 Whittier Blvd, Whittier, CA 90603
About Dr. Thomas
Sonya W. Thomas, MD practices family medicine in Whittier, CA. Sonya is a 1994 graduate of University of Southern California Keck School of Medicine. Medicare claims data shows Sonya provided 2,361 services to 2,328 patients. The services billed most often include imaging for evaluation of swallowing function, single contrast x-ray of upper digestive tract, and x-ray of upper spine, 2-3 views. The provider's National Provider Identifier (NPI) is 1841348737.
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
- (562) 947-8478
- Email not available
Practice Locations
15725 WHITTIER BLVD
Whittier, CA 90603
Conditions Commonly Evaluated or Treated
Within Family Medicine 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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
2,361 services · 2,328 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging for evaluation of swallowing function | Imaging | 74230 |
285 | Too few peers to compare |
| Single contrast x-ray of upper digestive tract | Imaging | 74240 |
282 | Too few peers to compare |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
282 | More than most peers in Family Medicine |
| X-ray of part of lower jaw, 1-4 views | Imaging | 70100 |
239 | Too few peers to compare |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
127 | Too few peers to compare |
| Single contrast x-ray of upper digestive tract | Imaging | 74240 |
126 | Too few peers to compare |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
126 | More than most peers in Family Medicine |
| X-ray of chest, 1 view | Imaging | 71045 |
116 | More often than most peers in Family Medicine |
| X-ray of part of lower jaw, 1-4 views | Imaging | 70100 |
108 | Too few peers to compare |
| X-ray of chest, 1 view | Imaging | 71045 |
45 | More often than most peers in Family Medicine |
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.
Other family doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 23 related providers in 3 groups
Other family doctors in Whittier 7
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Thomas specialize in?
Dr. Thomas is a family doctor in Whittier, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dr. Thomas located?
Dr. Thomas is listed at 15725 Whittier Blvd, Whittier, CA 90603. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Thomas's phone number?
The number on file is (562) 947-8478. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Thomas?
Dr. Thomas's National Provider Identifier is 1841348737. 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 Dr. Thomas go to medical school?
Dr. Thomas attended University of Southern California Keck School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Thomas have?
Dr. Thomas has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Thomas do most often?
According to Medicare billing data, Dr. Thomas performs imaging including imaging for evaluation of swallowing function and single contrast x-ray of upper digestive tract; provides treatments such as evaluation of swallowing function image, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Thomas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thomas. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.