MISS DIANA KRISTA GRUHL LCSW-C
NPI 1851024947
Social Worker - Clinical in Ellicott City, MD
About Miss Diana Krista Gruhl Lcsw-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS DIANA KRISTA GRUHL LCSW-C (NPI 1851024947) is an individual clinical provider in Ellicott City, Maryland, licensed in Maryland (21213) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Columbia, and is a graduate of Other (2010).
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 and accepts Medicare assignment
Miss Diana Krista Gruhl Lcsw-c 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 Diana Gruhl reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 97 clinicians in this Medicare group
Arnold, MD 21012
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Arundel Mental Health Professionals Lc
- 124 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, District of Columbia enrollment
- 1,424 clinicians in this Medicare group
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21042 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.
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 Diana Gruhl's NPI number?
The NPI number for Diana Gruhl is 1851024947. It was assigned to this individual provider in the NPPES registry on July 6, 2022.
Where is Diana Gruhl located?
Diana Gruhl practices at 11090 Resort Rd, Ellicott City, MD 21042. The listed phone number is (707) 481-5959.
What is Diana Gruhl's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Diana Gruhl enrolled in Medicare?
Yes. Diana Gruhl 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 Diana Gruhl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Gruhl reassigns Medicare benefits to 4 organizations: Della Behavioral Health Services (Columbia, MD), Arundel Mental Health Professionals L.C. (Arnold, MD), Grow Healthcare Group PA (Miami, FL) and Grow Healthcare Group PC (San Jose, CA). 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 Diana Gruhl'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 Diana Gruhl was last updated on June 23, 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.
# Miss Diana Krista Gruhl, LCSW-C · NPI 1851024947
Clinical provider in Ellicott City, Maryland. Individual provider, active in the CMS NPPES registry since July 6, 2022.
## Identity
- **NPI:** 1851024947 (Entity type: Individual)
- **Enumerated:** July 6, 2022
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 21213 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 11090 RESORT RD, Ellicott City, MD 21042-2074
- **Phone:** (707) 481-5959
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Della Behavioral Health Services (NPI 1750635207, Columbia, MD); Arundel Mental Health Professionals L.C. (NPI 1073649521, Arnold, MD); Grow Healthcare Group PA (NPI 1245845932, Miami, FL); Grow Healthcare Group PC (NPI 1154994846, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851024947) · Data from the CMS NPPES public registry.