DR. RYAN L NEFF M.D.
NPI 1427245034
Surgery in Saint Louis, MO

Active since September 27, 2007PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD, SUITE 7011B, SAINT LOUIS, MO 63141(314) 251-6840(314) 251-7347 Get Directions Write a Review

NPPES record last updated: November 11, 2014. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Ryan L Neff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RYAN L NEFF M.D. (NPI 1427245034) is an individual surgery provider in Saint Louis, Missouri, licensed in Missouri (2008007223) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2001).

NPPES Registry Identity

NPI1427245034
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. RYAN L NEFFCredential: M.D.
Location Address621 S NEW BALLAS RD, SUITE 7011BSaint Louis, MO 63141-8232
Mailing Address621 S New Ballas Rd, Suite 7011bSaint Louis, MO 63141-8232 · (314) 251-6840 · Fax (314) 251-7347
Fax(314) 251-7347
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2001
Enumeration DateSeptember 27, 2007
Last NPPES UpdateNovember 11, 2014
NPI 1427245034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in MO · 2008007223
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
621 S NEW BALLAS RD, Saint Louis, MO 63141

Other Identifiers 2

Medicare PINMA4057006MO
OtherP01112386MO · Railroad Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryan L Neff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234204876
PECOS Enrollment IDI20080818000182
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
126 services126 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
81 services71 patients
Repair of groin hernia (5 years or older) 49505
Repair of a groin hernia is a procedure aimed at fixing an abnormal bulge that can occur in the area between your abdomen and thigh. This condition happens when tissue pushes through a weak spot in your lower abdominal wall. The repair procedure returns this tissue back to its proper place.
33 services33 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
31 services28 patients
Removal of gallbladder using an endoscope 47562
This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.
19 services19 patients
Imaging of lymph nodes during surgery 38900
Imaging of lymph nodes during surgery involves taking detailed pictures of your lymph nodes to help surgeons see and assess them in real-time. This procedure can aid in detecting disease, guiding treatment, and improving surgical precision.
15 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Women's Health)
621 S NEW BALLAS RD, SUITE 2007B
SAINT LOUIS, MO 63141
Obstetrics & Gynecology
621 S NEW BALLAS RD, SUITE 4005
SAINT LOUIS, MO 63141
Internal Medicine
621 S NEW BALLAS RD, SUITE 3016B
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Psychiatry)
621 S NEW BALLAS RD, SUITE 398A
SAINT LOUIS, MO 63141
Specialist
621 S NEW BALLAS RD, SUITE 419A
SAINT LOUIS, MO 63141
Nutritionist (Nutrition, Education)
621 S NEW BALLAS RD, SUITE 460A
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD, SUITE 483A
SAINT LOUIS, MO 63141
Specialist
621 S NEW BALLAS RD, STE 297A
SAINT LOUIS, MO 63141

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Neff's NPI number?

The NPI number for Ryan Neff is 1427245034. It was assigned to this individual provider in the NPPES registry on September 27, 2007.

Where is Ryan Neff located?

Ryan Neff practices at 621 S New Ballas Rd Suite 7011B, Saint Louis, MO 63141. The listed phone number is (314) 251-6840.

What is Ryan Neff's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ryan Neff enrolled in Medicare?

Yes. Ryan Neff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ryan Neff accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Ryan Neff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan Neff affiliated with any hospitals?

According to CMS data, Ryan Neff is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington and Mercy Hospital South.

When was this NPI record last updated?

The NPPES record for Ryan Neff was last updated on November 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.