Physician Profile
Unclaimed ProfileAbout HEMMER
John L Hemmer, M.D is a healthcare provider in Gainesville, GA specializing in orthopedic surgery. John trained at Medical College of Georgia School of Medicine, graduating in 1971. John is also listed as specializing in orthopaedic surgery. According to Medicare claims data, John cared for 484 Medicare patients across 3,766 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
- (770) 532-7202
- Email not available
Practice Locations
1240 JESSE JEWELL PKWY SE SUITE 300
Gainesville, GA 30501
Procedures Most Often Billed to Medicare
3,766 services · 484 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
41 |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
18 |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
60 |
| X-ray of both hips, 2 views | Imaging | 73521 |
36 |
| X-ray of knee, 3 views | Imaging | 73562 |
21 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
21 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
16 |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
16 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
3,140 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
231 |
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 orthopedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 30 related providers in 4 groups
Other orthopedic surgeons in Gainesville 6
Same specialty, same city.
Trained at Medical College of Georgia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1971 at Medical College of Georgia School of Medicine 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 GA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hemmer?
Dr. Hemmer is an orthopedic surgeon in Gainesville, GA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Hemmer's address?
Dr. Hemmer is listed at 1240 JESSE JEWELL PKWY SE SUITE 300, Gainesville, GA 30501. 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. Hemmer?
The number on file is (770) 532-7202. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hemmer's NPI number?
Dr. Hemmer's National Provider Identifier is 1518958784. 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. Hemmer train?
Dr. Hemmer attended Medical College of Georgia School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hemmer been practicing?
Dr. Hemmer has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hemmer perform?
According to Medicare billing data, Dr. Hemmer 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 lower and sacral spine, 2-3 views and x-ray of both hips, 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. Hemmer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hemmer. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.