KEITH DELLA GROTTA MD
NPI 1235505611
Emergency Medicine in Olney, MD
About Keith Della Grotta Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH DELLA GROTTA MD (NPI 1235505611) is an individual emergency medicine provider in Olney, Maryland, licensed in Maryland (D0100145) and active in the NPI registry since August 2015. He is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and maintains 2 additional practice locations.
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)
Keith Della Grotta Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Keith Della Grotta reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20817
- Reassigned Medicare billing, District of Columbia enrollment
- 17 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Whc Physician Group LLC
- Also billed through NPI 1700154226 (Maryland)
- 613 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, Virginia enrollment
- 679 clinicians in this Medicare group
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Sherman Oaks, CA 91403
- Reassigned Medicare billing, California enrollment
- 63 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 202 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Montgomery Medical Center
Acute Care Hospitals · Olney, MDSentara Northern Virginia Medical Center
Acute Care Hospitals · Woodbridge, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20832 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
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 Keith Della Grotta's NPI number?
The NPI number for Keith Della Grotta is 1235505611. It was assigned to this individual provider in the NPPES registry on August 19, 2015.
Where is Keith Della Grotta located?
Keith Della Grotta practices at 18101 Prince Philip Drive Emergency Department, Olney, MD 20832. The listed phone number is (301) 774-8882.
What is Keith Della Grotta's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Keith Della Grotta enrolled in Medicare?
Yes. Keith Della Grotta is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Keith Della Grotta's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Della Grotta reassigns Medicare benefits to 8 organizations: Mark D. Klaiman, M.D., L.C. (Bethesda, MD), Medstar Medical Group II LLC (Washington, DC), Whc Emerg Phys (Washington, DC), Emergency Coverage, LLC (Newport, TN), Southern California Permanente Medical Group (San Diego, CA) and 3 more organizations, listed in the Medicare section above. 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 Keith Della Grotta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Keith Della Grotta affiliated with any hospitals?
According to CMS data, Keith Della Grotta is affiliated with Medstar Montgomery Medical Center and Sentara Northern Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Keith Della Grotta was last updated on July 2, 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.
# Keith Della Grotta, MD · NPI 1235505611
Emergency Medicine physician in Olney, Maryland. Individual provider, active in the CMS NPPES registry since August 19, 2015.
## Identity
- **NPI:** 1235505611 (Entity type: Individual)
- **Enumerated:** August 19, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D0100145 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 18101 PRINCE PHILIP DRIVE, EMERGENCY DEPARTMENT, Olney, MD 20832
- **Phone:** (301) 774-8882
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Mark D. Klaiman, M.D., L.C. (NPI 1225218506, Bethesda, MD); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC); Whc Emerg Phys (NPI 1306260625, Washington, DC); Emergency Coverage, LLC (NPI 1427005008, Newport, TN); Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1235505611) · Data from the CMS NPPES public registry.