Physician Profile
Sonya K. Christianson, MD
Unclaimed ProfileAbout Dr. Christianson
Based in San Diego, CA, Sonya K. Christianson, MD is listed in the NPI registry under family medicine. Sonya graduated from Southern Illinois University School of Medicine in 2006. Medicare claims data shows Sonya provided 604 services to 484 patients. The services billed most often include advance care planning, first 30 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and advance care planning, each additional 30 minutes. NPI 1871751073 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (858) 678-6550
- Email not available
Practice Locations
4077 5TH AVE
San Diego, CA 92103
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
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
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
Procedures Most Often Billed to Medicare
604 services · 484 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Advance care planning, first 30 minutes | Office visit | 99497 |
157 | More often than most peers in Family Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
154 | More often than most peers in Family Medicine |
| Advance care planning, each additional 30 minutes | Office visit | 99498 |
149 | More than most peers in Family Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
144 | 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.
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.
Other family doctors in San Diego 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Christianson specialize in?
Dr. Christianson is a family doctor in San Diego, 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. Christianson located?
Dr. Christianson is listed at 4077 5Th Ave, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Christianson's phone number?
The number on file is (858) 678-6550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Christianson?
Dr. Christianson's National Provider Identifier is 1871751073. 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. Christianson go to medical school?
Dr. Christianson attended Southern Illinois University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Christianson have?
Dr. Christianson has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Christianson do most often?
According to Medicare billing data, Dr. Christianson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Christianson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Christianson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.