DR. BONNIE SIMON GROSSMAN M.D.
NPI 1427345479
Hospitalist in Columbia, SC
About Dr. Bonnie Simon Grossman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BONNIE SIMON GROSSMAN M.D. (NPI 1427345479) is an individual hospitalist provider in Columbia, South Carolina, licensed in South Carolina (33846) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and maintains a secondary practice location in Florence.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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. Bonnie Simon Grossman 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.
Medicare Billing Reassignments
4Medicare enrollment records show Bonnie Grossman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, SC 29203
- Reassigned Medicare billing, South Carolina enrollment
- 1,466 clinicians in this Medicare group
Aiken, SC 29801
- Reassigned Medicare billing, South Carolina enrollment
- 117 clinicians in this Medicare group
Monroe, GA 30655
- Reassigned Medicare billing, South Carolina enrollment
- 311 clinicians in this Medicare group
Macon, GA 31210
- Reassigned Medicare billing, South Carolina enrollment
- 268 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.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prisma Health Richland Hospital
Acute Care Hospitals · Columbia, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
COLUMBIA, SC 29203
COLUMBIA, SC 29203
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 Bonnie Grossman's NPI number?
The NPI number for Bonnie Grossman is 1427345479. It was assigned to this individual provider in the NPPES registry on June 28, 2011.
Where is Bonnie Grossman located?
Bonnie Grossman practices at 14 Richland Medical Park Dr Ste 320, Columbia, SC 29203. The listed phone number is (803) 434-6771.
What is Bonnie Grossman's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Bonnie Grossman enrolled in Medicare?
Yes. Bonnie Grossman 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 Bonnie Grossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bonnie Grossman reassigns Medicare benefits to 4 organizations: Prisma Health Medical Group-Midlands (Columbia, SC), Sound Physicians Of South Carolina, LLC (Aiken, SC), Hospital Physician Services - Southeast Professional Corporation (Monroe, GA) and Cogent Healthcare Of Georgia PC (Macon, GA). 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 Bonnie Grossman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bonnie Grossman affiliated with any hospitals?
According to CMS data, Bonnie Grossman is affiliated with Prisma Health Richland Hospital.
When was this NPI record last updated?
The NPPES record for Bonnie Grossman was last updated on March 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.