DIAN PATRICIA GRANDISON FNP
NPI 1083137970
Family Medicine in Baltimore, MD
About Dian Patricia Grandison Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIAN PATRICIA GRANDISON FNP (NPI 1083137970) is an individual family medicine provider in Baltimore, Maryland, licensed in Maryland (R238234) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Staten Island, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dian Patricia Grandison Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Dian Grandison reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 13 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 21224 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
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 Dian Grandison's NPI number?
The NPI number for Dian Grandison is 1083137970. It was assigned to this individual provider in the NPPES registry on July 21, 2017.
Where is Dian Grandison located?
Dian Grandison practices at 4940 Eastern Ave, Baltimore, MD 21224. The listed phone number is (410) 550-5452.
What is Dian Grandison's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dian Grandison enrolled in Medicare?
Yes. Dian Grandison is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dian Grandison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dian Grandison reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). 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 Dian Grandison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dian Grandison was last updated on May 6, 2021. 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.
# Dian Patricia Grandison, FNP · NPI 1083137970
Family Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 21, 2017.
## Identity
- **NPI:** 1083137970 (Entity type: Individual)
- **Enumerated:** July 21, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** R238234 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4940 EASTERN AVE, Baltimore, MD 21224-2735
- **Phone:** (410) 550-5452 · **Fax:** (410) 550-0539
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Johns Hopkins University (NPI 1306810619, Baltimore, MD); Johns Hopkins University (NPI 1356346100, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** May 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1083137970) · Data from the CMS NPPES public registry.