Physician Profile
Unclaimed ProfileAbout HOROWITZ
Richard Srularon Horowitz, M.D. is a healthcare provider in Los Angeles, CA specializing in internal medicine. Richard is also listed as specializing in nephrology. According to Medicare claims data, Richard cared for 619 Medicare patients across 924 services.
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
- (310) 358-7200
- Email not available
Practice Locations
8635 W 3RD ST SUITE 885
Los Angeles, CA 90048
Procedures Most Often Billed to Medicare
924 services · 619 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein (3 years or older) | Procedure | 36410 |
199 |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician | Treatment | 93040 |
95 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
95 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
254 |
| Manual urinalysis test with examination using microscope, non-automated | Lab test | 81000 |
136 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
83 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
50 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
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.
Other internal medicines at this location 1
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 — 32 related providers in 4 groups
Other internal medicines in Los Angeles 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein (3 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Horowitz's specialty?
Dr. Horowitz is an internal medicine in Los Angeles, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Horowitz?
Dr. Horowitz is listed at 8635 W 3RD ST SUITE 885, Los Angeles, CA 90048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Horowitz?
The number on file is (310) 358-7200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Horowitz's NPI number?
Dr. Horowitz's National Provider Identifier is 1437366804. 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
What is Dr. Horowitz's medical education?
Dr. Horowitz attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Horowitz been practicing?
Dr. Horowitz has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Horowitz known for?
According to Medicare billing data, Dr. Horowitz performs procedures including insertion of needle into vein; provides treatments such as electrocardiogram 1 to 3 leads with review by physician and routine electrocardiogram using at least 12 leads 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
Has Dr. Horowitz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Horowitz. 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.