DR. JEROME MICHAEL MOLLESTON MD
NPI 1356835342
Pediatrics - Pediatric Gastroenterology in Saint Louis, MO
About Dr. Jerome Michael Molleston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEROME MICHAEL MOLLESTON MD (NPI 1356835342) is an individual pediatric gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2019029285) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2018).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jerome Michael Molleston Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Jerome Molleston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 628 clinicians in this Medicare group
Saint Louis, MO 63108
- Reassigned Medicare billing, Illinois enrollment
- 530 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Jerome Molleston's NPI number?
The NPI number for Jerome Molleston is 1356835342. It was assigned to this individual provider in the NPPES registry on June 21, 2018.
Where is Jerome Molleston located?
Jerome Molleston practices at 1 Childrens Pl Div Ped Gastro, Hepatology And Nutrition, Saint Louis, MO 63110. The listed phone number is (314) 454-6173.
What is Jerome Molleston's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Jerome Molleston enrolled in Medicare?
Yes. Jerome Molleston 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.
Which organizations bill Medicare for Jerome Molleston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jerome Molleston reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Washington University Physicians In Illinois, Inc (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jerome Molleston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jerome Molleston accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Jerome Molleston 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.
When was this NPI record last updated?
The NPPES record for Jerome Molleston was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Dr. Jerome Michael Molleston, MD · NPI 1356835342
Pediatric Gastroenterology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 21, 2018.
## Identity
- **NPI:** 1356835342 (Entity type: Individual)
- **Enumerated:** June 21, 2018
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** 2019029285 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DIV PED GASTRO, HEPATOLOGY AND NUTRITION, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-6173 · **Fax:** (844) 231-8912
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1194765685, Saint Louis, MO); Washington University Physicians In Illinois, Inc (NPI 1457203135, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2018
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200061524 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1356835342) · Data from the CMS NPPES public registry.