GREGORY N NELSON JR. M.D.
NPI 1114174265
Orthopaedic Surgery in Bridgeton, MO

Active since August 20, 2008PECOS EnrolledAccepts Medicare Assignment
12349 DE PAUL DR STE 100, BRIDGETON, MO 63044(314) 291-7900 Get Directions Write a Review

NPPES record last updated: November 19, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory N Nelson Jr. M.d. NPPES

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

GREGORY N NELSON JR. M.D. (NPI 1114174265) is an individual orthopaedic surgery provider in Bridgeton, Missouri, licensed in Missouri (2017006909) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Ssm St Clare Health Center, and maintains a secondary practice location in Phoenix.

NPPES Registry Identity

NPI1114174265
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameGREGORY N NELSON JR.Credential: M.D.
Location Address12349 DE PAUL DR STE 100Bridgeton, MO 63044-2512
Mailing AddressPo Box 955534Saint Louis, MO 63195-5534
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2008
Enumeration DateAugust 20, 2008
Last NPPES UpdateNovember 19, 2020
NPPES CertifiedNovember 19, 2020
NPI 1114174265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in MO · 2017006909 Licensed in AZ · 49237 Licensed in PA · MD448629 Licensed in NJ · 25MA09367900
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedSpecialistTaxonomy 174400000X · License 49237 (AZ)
Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License 49237 (AZ)
12349 DE PAUL DR STE 100, Bridgeton, MO 63044

Secondary Practice Location 1

Location 118444 N 25th Ave, Ste 310Phoenix, AZ 85023-1266 · Phone (623) 537-5600 · Fax (866) 939-2673

Other Identifiers 1

MedicaidPENDINGAZ

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

Gregory N Nelson Jr. 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 ID648406348
PECOS Enrollment IDI20170331000739
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 10

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.

Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
93 services68 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.
71 services52 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
35 services26 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
33 services23 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services29 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
24 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Ssm St Clare Health Center

Acute Care Hospitals · Fenton, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260081
Location1015 BowlesFenton, MO 63026 · Jefferson County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63044 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 11

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

Orthopaedic Surgery
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Orthopaedic Surgery
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Physician Assistant
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Physician Assistant
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Orthopaedic Surgery
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Nurse Practitioner
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Nurse Practitioner (Adult Health)
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044
Orthopaedic Surgery
12349 DE PAUL DR STE 100
BRIDGETON, MO 63044

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 Gregory Nelson's NPI number?

The NPI number for Gregory Nelson is 1114174265. It was assigned to this individual provider in the NPPES registry on August 20, 2008.

Where is Gregory Nelson located?

Gregory Nelson practices at 12349 De Paul Dr Ste 100, Bridgeton, MO 63044. The listed phone number is (314) 291-7900.

What is Gregory Nelson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Gregory Nelson enrolled in Medicare?

Yes. Gregory Nelson 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 Gregory Nelson 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 3 other insurers list Gregory Nelson 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 Gregory Nelson affiliated with any hospitals?

According to CMS data, Gregory Nelson is affiliated with Ssm St Clare Health Center, Missouri Baptist Medical Center and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Nelson was last updated on November 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.