MARY CATHERINE GRISSOM APRN
NPI 1730780354
Nurse Practitioner - Acute Care in Orlando, FL
About Mary Catherine Grissom Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY CATHERINE GRISSOM APRN (NPI 1730780354) is an individual acute care provider in Orlando, Florida, licensed in Florida (APRN11009353) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains a secondary practice location in Tavares.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mary Catherine Grissom Aprn 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 Mary Grissom reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orlando, FL 32803
- Reassigned Medicare billing, Florida enrollment
- 3,005 clinicians in this Medicare group
Orlando, FL 32803
- Reassigned Medicare billing, Florida enrollment
- 52 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 2
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.
Adventhealth Orlando
Acute Care Hospitals · Orlando, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32803 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.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORLANDO, FL 32803
ORLANDO, FL 32803
ORLANDO, FL 32803
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 Mary Grissom's NPI number?
The NPI number for Mary Grissom is 1730780354. It was assigned to this individual provider in the NPPES registry on November 2, 2020.
Where is Mary Grissom located?
Mary Grissom practices at 1115 E Ridgewood St, Orlando, FL 32803. The listed phone number is (407) 841-1100.
What is Mary Grissom's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Mary Grissom enrolled in Medicare?
Yes. Mary Grissom 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 Mary Grissom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Grissom reassigns Medicare benefits to 2 organizations: Florida Hospital Medical Group Inc (Orlando, FL) and Central Florida Pulmonary Group PA (Orlando, FL). 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 Mary Grissom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Grissom accept?
Health plans from Wellpoint list Mary Grissom 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 Mary Grissom affiliated with any hospitals?
According to CMS data, Mary Grissom is affiliated with Adventhealth Orlando.
When was this NPI record last updated?
The NPPES record for Mary Grissom was last updated on August 8, 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.
# Mary Catherine Grissom, APRN · NPI 1730780354
Acute Care physician in Orlando, Florida. Individual provider, active in the CMS NPPES registry since November 2, 2020.
## Identity
- **NPI:** 1730780354 (Entity type: Individual)
- **Enumerated:** November 2, 2020
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** APRN11009353 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1115 E RIDGEWOOD ST, Orlando, FL 32803-5443
- **Phone:** (407) 841-1100
## 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): Florida Hospital Medical Group Inc (NPI 1225034234, Orlando, FL); Central Florida Pulmonary Group PA (NPI 1104805951, Orlando, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 8, 2024
- **Other identifiers:** Medicaid 112792700 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1730780354) · Data from the CMS NPPES public registry.