Physician Profile
Unclaimed ProfileAbout SIMMONDS
Based in Los Angeles, CA, John Oneil Simmonds, M.D is listed in the NPI registry under orthopedic surgery. John graduated from Howard University College of Medicine in 2001. John is also listed as specialising in orthopaedic surgery.
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
Common questions
What does Dr. Simmonds specialise in?
Dr. Simmonds is an orthopedic surgeon in Los Angeles, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Simmonds located?
Dr. Simmonds is listed at 11901 SANTA MONICA BLVD STE 620, Los Angeles, CA 90025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Simmonds's phone number?
The number on file is (310) 614-2663. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Simmonds's NPI number?
Dr. Simmonds's National Provider Identifier is 1801195912. 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. Simmonds go to medical school?
Dr. Simmonds attended Howard University College of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Simmonds been practising?
Dr. Simmonds has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Simmonds do most often?
According to Medicare billing data, Dr. Simmonds performs procedures including removal of skin and tissue, each additional 20.0 sq cm or less, removal of muscle and/or tissue, each additional 20.0 sq cm or less and removal of muscle and/or tissue, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Simmonds confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Simmonds. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (310) 614-2663
- Email not available
Practice Locations
11901 SANTA MONICA BLVD STE 620
Los Angeles, CA 90025
Procedures Most Often Billed to Medicare
13,963 services · 1,834 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
1,498 |
| Removal of muscle and/or tissue, each additional 20.0 sq cm or less | Procedure | 11046 |
1,198 |
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
1,050 |
| Removal of muscle and/or tissue, each additional 20.0 sq cm or less | Procedure | 11046 |
970 |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
777 |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
618 |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
577 |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
496 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
2,831 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,779 |
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 6
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 orthopedic surgeons in Los Angeles 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Howard University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Howard University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of skin and tissue, each additional 20.0 sq cm or less 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.