DARIN SCOTT GRINER MD
NPI 1619627486
Anesthesiology - Critical Care Medicine in Baltimore, MD
About Darin Scott Griner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARIN SCOTT GRINER MD (NPI 1619627486) is an individual critical care medicine provider in Baltimore, Maryland, licensed in Maryland (D0107066) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Univ Of Central Florida, College Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Darin Scott Griner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Darin Griner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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.
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 21287
BALTIMORE, MD 21287
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 Darin Griner's NPI number?
The NPI number for Darin Griner is 1619627486. It was assigned to this individual provider in the NPPES registry on March 25, 2022.
Where is Darin Griner located?
Darin Griner practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (941) 626-6360.
What is Darin Griner's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Darin Griner enrolled in Medicare?
Yes. Darin Griner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Darin Griner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darin Griner reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Darin Griner'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 Darin Griner was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Darin Scott Griner, MD · NPI 1619627486
Critical Care Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 25, 2022.
## Identity
- **NPI:** 1619627486 (Entity type: Individual)
- **Enumerated:** March 25, 2022
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** D0107066 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (941) 626-6360
## 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:** Johns Hopkins University (NPI 1033190442, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Univ Of Central Florida, College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** June 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619627486) · Data from the CMS NPPES public registry.