Physician Profile
Nicholas E. Gerken, MD
Unclaimed ProfileAbout Dr. Gerken
Nicholas E. Gerken, MD practices orthopaedic surgery in San Antonio, TX. Nicholas is also listed as specializing in orthopaedic adult reconstructive surgery. According to Medicare claims data, Nicholas cared for 856 Medicare patients across 9,252 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and x-ray of knee, 3 views.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (210) 874-3359
- Email not available
Practice Locations
1139 E SONTERRA BLVD STE 401
San Antonio, TX 78258
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery 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
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
9,252 services · 856 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
131 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
26 |
| Computer-assisted surgery for muscle and bone procedure | Procedure | 20985 |
26 |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
25 |
| Revision of thigh and lower leg bone components of total knee joint prosthesis | Procedure | 27487 |
13 |
| Repair of muscle group above knee joint | Procedure | 27430 |
12 |
| X-ray of knee, 3 views | Imaging | 73562 |
162 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
123 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
79 |
| X-ray of knee, 1-2 views | Imaging | 73560 |
29 |
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 orthopaedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 32 related providers in 4 groups
Other orthopaedic surgeons in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 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 TX who bill this service to Medicare most often.
Common questions
What is Dr. Gerken's specialty?
Dr. Gerken is an orthopaedic surgeon in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where can I find Dr. Gerken?
Dr. Gerken is listed at 1139 E Sonterra Blvd Ste 401, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gerken?
The number on file is (210) 874-3359. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gerken's NPI number?
Dr. Gerken's National Provider Identifier is 1851688758. 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
What is Dr. Gerken's medical education?
Dr. Gerken attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gerken been practicing?
Dr. Gerken has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gerken known for?
According to Medicare billing data, Dr. Gerken performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and computer-assisted surgery for muscle and bone procedure; reads or performs imaging such as x-ray of knee, 3 views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gerken confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gerken. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.