Physician Profile
Louis G. Christiansen, M.D.
Unclaimed ProfileAbout Dr. Christiansen
Louis G. Christiansen, M.D. is a healthcare provider in San Diego, CA specializing in endocrinology. Louis trained at University of California, San Diego School of Medicine, graduating in 1999. Louis is also listed as specializing in endocrinology, diabetes & metabolism. Medicare claims data shows Louis provided 278 services to 223 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1639187743.
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
- (619) 446-1725
- Email not available
Practice Locations
300 FIR ST
San Diego, CA 92101
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
Most searched conditions
Adrenal
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Procedures & services
Most searched procedures
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
- Medical nutrition therapy
- Starting Insulin Therapy
Diabetes education
Diabetes preventive care
Genetic evaluations
Hormone treatments
- Estrogen and Progesterone Therapy
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Thyroid
Thyroid procedures
- Radioactive Iodine Treatment
- Thyroid Antibody Testing
- Thyroid Blood Test
- Thyroid Medication Adjustment
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Procedures Most Often Billed to Medicare
278 services · 223 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
19 | Less often than most peers in Endocrinology |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
16 | Less often than most peers in Endocrinology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
107 | Less often than most peers in Endocrinology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
53 | As often as other peers in Endocrinology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
34 | More often than most peers in Endocrinology |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
19 | As often as other peers in Endocrinology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
18 | Less often than most peers in Endocrinology |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
12 | Less often than most peers in Endocrinology |
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 7
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 endocrinology specialists in San Diego 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of California, San Diego School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Louis G. Christiansen specialize in?
Louis G. Christiansen is an endocrinology in San Diego, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Louis G. Christiansen located?
Louis G. Christiansen is listed at 300 Fir St, San Diego, CA 92101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Louis G. Christiansen's phone number?
The number on file is (619) 446-1725. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Louis G. Christiansen?
Louis G. Christiansen's National Provider Identifier is 1639187743. 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 Louis G. Christiansen train?
Louis G. Christiansen attended University of California, San Diego School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Louis G. Christiansen have?
Louis G. Christiansen has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Louis G. Christiansen do most often?
According to Medicare billing data, Louis G. Christiansen provides treatments such as injection of drug or substance under skin or into muscle and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Louis G. Christiansen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Louis G. Christiansen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.