Physician Profile
Unclaimed ProfileAbout O'SULLIVAN
Based in Mount Shasta, CA, Glen S O'Sullivan, M.D. is listed in the NPI registry under orthopedic surgery. Glen is also listed as specialising in specialist.
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 kind of doctor is Dr. O'Sullivan?
Dr. O'Sullivan is an orthopedic surgeon in Mount Shasta, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. O'Sullivan's address?
Dr. O'Sullivan is listed at 635 LASSEN LN, Mount Shasta, CA 96067. 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. O'Sullivan?
The number on file is (866) 668-3597. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Sullivan's NPI number?
Dr. O'Sullivan's National Provider Identifier is 1972504652. 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. O'Sullivan train?
Dr. O'Sullivan attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Sullivan been practising?
Dr. O'Sullivan has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Sullivan perform?
According to Medicare billing data, Dr. O'Sullivan performs procedures including injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level, injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level and aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of pelvis, 1-2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Sullivan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Sullivan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (866) 668-3597
- Email not available
Practice Locations
635 LASSEN LN
Mount Shasta, CA 96067
Procedures Most Often Billed to Medicare
2,481 services · 1,356 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
156 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
135 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
67 |
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
34 |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
33 |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
25 |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64635 |
21 |
| Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance | Procedure | 27096 |
20 |
| Placement of device to stabilize or reduce pressure in lower spine in 1 disc space | Procedure | 22867 |
19 |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint | Procedure | 64636 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 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.