JASON GRAINER PH.D.
NPI 1124387253
Psychologist - Clinical in Springfield, VA
About Jason Grainer Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON GRAINER PH.D. (NPI 1124387253) is an individual clinical provider in Springfield, Virginia, licensed in Virginia (0810004573) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Jason Grainer Ph.d. 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 Jason Grainer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Burnie, MD 21061
- Reassigned Medicare billing, District of Columbia enrollment
- 6 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, District of Columbia enrollment
- 26 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 22152 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, VA 22152
SPRINGFIELD, VA 22152
SPRINGFIELD, VA 22152
SPRINGFIELD, VA 22152
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 Jason Grainer's NPI number?
The NPI number for Jason Grainer is 1124387253. It was assigned to this individual provider in the NPPES registry on May 9, 2012.
Where is Jason Grainer located?
Jason Grainer practices at 8134 Old Keene Mill Rd Suite 101, Springfield, VA 22152. The listed phone number is (703) 569-8731.
What is Jason Grainer's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Jason Grainer enrolled in Medicare?
Yes. Jason Grainer 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 Jason Grainer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Grainer reassigns Medicare benefits to 2 organizations: Greater Baltimore Counseling Center, LLC (Glen Burnie, MD) and Oasis The Mental Health Center, LLC (Glen Burnie, 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 Jason Grainer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Grainer accept?
Health plans from Oscar Health list Jason Grainer 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.
When was this NPI record last updated?
The NPPES record for Jason Grainer was last updated on May 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Jason Grainer, PH.D. · NPI 1124387253
Clinical provider in Springfield, Virginia. Individual provider, active in the CMS NPPES registry since May 9, 2012.
## Identity
- **NPI:** 1124387253 (Entity type: Individual)
- **Enumerated:** May 9, 2012
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 0810004573 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8134 OLD KEENE MILL RD, SUITE 101, Springfield, VA 22152-1800
- **Phone:** (703) 569-8731 · **Fax:** (703) 569-7248
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Greater Baltimore Counseling Center, LLC (NPI 1376616938, Glen Burnie, MD); Oasis The Mental Health Center, LLC (NPI 1174606057, Glen Burnie, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 9, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1124387253) · Data from the CMS NPPES public registry.