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Edit this profileAt a glance
- 8635 W 3Rd Street, Suite 750W, Los Angeles, CA 90048
About Dr. Harold
John G. Harold, MD is a healthcare provider in Los Angeles, CA specializing in cardiovascular disease. Medicare claims data shows John provided 1,008 services to 722 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, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1508927005.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (310) 659-2030
- Email not available
Practice Locations
8635 W 3RD STREET SUITE 750W
Los Angeles, CA 90048
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease 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
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
1,008 services · 722 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
95 | As often as other peers in Cardiovascular Disease |
| 3d radiographic procedure | Imaging | 76376 |
23 | Less often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
146 | As often as other peers in Cardiovascular Disease |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
23 | As often as other peers in Cardiovascular Disease |
| Heart muscle strain imaging | Treatment | 93356 |
22 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
21 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
149 | As often as other peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
141 | More often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
131 | More often than most peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
81 | As often as other peers in Cardiovascular Disease |
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 2
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 cardiologists in Los Angeles 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Harold specialize in?
Dr. Harold is a cardiologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is Dr. Harold located?
Dr. Harold is listed at 8635 W 3Rd Street Suite 750W, Los Angeles, CA 90048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Harold's phone number?
The number on file is (310) 659-2030. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Harold?
Dr. Harold's National Provider Identifier is 1508927005. 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
How much experience does Dr. Harold have?
Dr. Harold has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Harold do most often?
According to Medicare billing data, Dr. Harold performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as 3d radiographic procedure; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and complete ultrasound of aorta, vena cava, groin vessels or bypass grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Harold's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Harold. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.