Physician Profile
Unclaimed ProfileAbout JOHNSON
Lawrence P Johnson, M.D. practices orthopedic surgery in North Chelmsford, MA. Lawrence is a 1979 graduate of Columbia University College of Physicians and Surgeons. Lawrence is also listed as specializing in orthopaedic surgery of the spine. Medicare claims data shows Lawrence provided 11,683 services to 592 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
Common questions
What kind of doctor is Dr. Johnson?
Dr. Johnson is an orthopedic surgeon in North Chelmsford, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Johnson's address?
Dr. Johnson is listed at 10 RESEARCH PL SUITE 203, North Chelmsford, MA 01863. 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. Johnson?
The number on file is (978) 275-9650. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johnson?
Dr. Johnson's National Provider Identifier is 1225003049. 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. Johnson train?
Dr. Johnson attended Columbia University College of Physicians and Surgeons, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johnson have?
Dr. Johnson has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnson perform?
According to Medicare billing data, Dr. Johnson performs procedures including aspiration and/or injection of fluid from large joint and injection of trigger points, 1-2 muscles; reads or performs imaging such as x-ray of knee, 1-2 views and x-ray of lower and sacral spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (978) 275-9650
- Email not available
Practice Locations
10 RESEARCH PL SUITE 203
North Chelmsford, MA 01863
Procedures Most Often Billed to Medicare
11,683 services · 592 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
120 |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
45 |
| X-ray of knee, 1-2 views | Imaging | 73560 |
70 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
36 |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
25 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
24 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
17 |
| X-ray of middle spine, 2 views | Imaging | 72070 |
11 |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
11 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
10,930 |
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 2
Same specialty, same street address — most likely the same department or group.
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 North Chelmsford 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MA 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.