MARK ANTYN GRIFFITH
NPI 1275221285
Pain Medicine - Pain Medicine in Rockville, MD
About Mark Antyn Griffith NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ANTYN GRIFFITH (NPI 1275221285) is an individual pain medicine provider in Rockville, Maryland, licensed in Maryland (R200261) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Mark Antyn Griffith 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
3Medicare enrollment records show Mark Griffith reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 4 clinicians in this Medicare group
Silver Spring, MD 20902
- Reassigned Medicare billing, District of Columbia enrollment
- 3 clinicians in this Medicare group
Pikesville, MD 21208
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 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 20852 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20852
ROCKVILLE, MD 20852
ROCKVILLE, MD 20852
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 Mark Griffith's NPI number?
The NPI number for Mark Griffith is 1275221285. It was assigned to this individual provider in the NPPES registry on April 27, 2023.
Where is Mark Griffith located?
Mark Griffith practices at 6000 Executive Blvd Ste 602, Rockville, MD 20852. The listed phone number is (301) 770-6301.
What is Mark Griffith's specialty?
The primary specialty registered for this NPI is Pain Medicine with taxonomy code 208VP0000X.
Is Mark Griffith enrolled in Medicare?
Yes. Mark Griffith 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 Mark Griffith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Griffith reassigns Medicare benefits to 3 organizations: Absolute Pain Management LLC (Rockville, MD), Exceptional Primary And Preventive Care LLC (Silver Spring, MD) and Post Acute Health Care Services LLC (Pikesville, 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 Mark Griffith'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 Mark Griffith was last updated on June 1, 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.
# Mark Antyn Griffith · NPI 1275221285
Pain Medicine physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since April 27, 2023.
## Identity
- **NPI:** 1275221285 (Entity type: Individual)
- **Enumerated:** April 27, 2023
- **Primary specialty:** Pain Medicine - Pain Medicine · taxonomy 208VP0000X
- **State license:** R200261 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6000 EXECUTIVE BLVD, STE 602, Rockville, MD 20852-3820
- **Phone:** (301) 770-6301
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Absolute Pain Management LLC (NPI 1437820743, Rockville, MD); Exceptional Primary And Preventive Care LLC (NPI 1336700251, Silver Spring, MD); Post Acute Health Care Services LLC (NPI 1982423653, Pikesville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 1, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1275221285) · Data from the CMS NPPES public registry.