Physician Profile
Unclaimed ProfileAbout MARX
Christopher W. Marx, M.D. practices endocrinology in La Jolla, CA. Christopher is a 1983 graduate of University of California, San Diego School of Medicine. Christopher is also listed as specializing in endocrinology, diabetes & metabolism. Medicare claims data shows Christopher provided 3,454 services to 1,278 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (858) 554-7876
- Email not available
Practice Locations
10666 N TORREY PINES RD
La Jolla, CA 92037
Procedures Most Often Billed to Medicare
3,454 services · 1,278 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
11 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
70 |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
14 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,860 |
| 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 |
571 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
556 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
165 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
115 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
80 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 |
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 1
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 La Jolla 8
Same specialty, same city.
More connections — 24 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 1983 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of head and neck soft tissue 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Marx?
Dr. Marx is an endocrinology in La Jolla, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ENDOCRINOLOGY”.
NPI registry
What is Dr. Marx's address?
Dr. Marx is listed at 10666 N TORREY PINES RD, La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Marx?
The number on file is (858) 554-7876. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marx?
Dr. Marx's National Provider Identifier is 1811958929. 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. Marx train?
Dr. Marx attended University of California, San Diego School of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marx have?
Dr. Marx has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marx perform?
According to Medicare billing data, Dr. Marx performs imaging including ultrasound scan of head and neck soft tissue; 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 Dr. Marx's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marx. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.