Physician Profile
Unclaimed ProfileAbout NEFF
Ryan L Neff, M.D. is a healthcare provider in Saint Louis, MO specialising in general surgery. Ryan trained at Jefferson Medical College of Thomas Jefferson University, graduating in 2001. Ryan is also listed as specialising in surgery. According to Medicare claims data, Ryan cared for 340 Medicare patients across 353 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
Common questions
What kind of doctor is Dr. Neff?
Dr. Neff is a general surgeon in Saint Louis, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Neff's address?
Dr. Neff is listed at 621 S NEW BALLAS RD SUITE 7011B, Saint Louis, MO 63141. 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. Neff?
The number on file is (314) 251-6840. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Neff's NPI number?
Dr. Neff's National Provider Identifier is 1427245034. 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. Neff train?
Dr. Neff attended Jefferson Medical College of Thomas Jefferson University, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Neff been practising?
Dr. Neff has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Neff perform?
According to Medicare billing data, Dr. Neff performs procedures including repair of groin hernia, removal of gallbladder using an endoscope and imaging of lymph nodes during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Neff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Neff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (314) 251-6840
- Email not available
Practice Locations
621 S NEW BALLAS RD SUITE 7011B
Saint Louis, MO 63141
Procedures Most Often Billed to Medicare
353 services · 340 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
33 |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
19 |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
15 |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
14 |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
11 |
| Initial repair of entrapped hernia of abdomen, less than 3 cm in length | Procedure | 49592 |
11 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
126 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
81 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
31 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
12 |
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.
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 general surgeons in Saint Louis 8
Same specialty, same city.
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2001 at Jefferson Medical College of Thomas Jefferson University 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of groin hernia (5 years or older) 8
Providers in MO 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.