MARK WILLIAM MILLER MD
NPI 1659306439
Internal Medicine - Sleep Medicine in Olney, MD
About Mark William Miller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK WILLIAM MILLER MD (NPI 1659306439) is an individual sleep medicine provider in Olney, Maryland, licensed in Maryland (D57581) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Mark William Miller Md 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 Mark Miller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olney, MD 20832
- Reassigned Medicare billing, District of Columbia enrollment
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 1,534 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 7
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 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.
Referred Medical Equipment & Supplies CMS DME claims 19
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Mark Miller's NPI number?
The NPI number for Mark Miller is 1659306439. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Mark Miller located?
Mark Miller practices at 18101 Prince Philip Dr, Olney, MD 20832. The listed phone number is (301) 774-8882.
What is Mark Miller's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Mark Miller enrolled in Medicare?
Yes. Mark Miller 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 Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Miller reassigns Medicare benefits to 2 organizations: Neighborhood Sleep Physicians (Olney, MD) and Privia Medical Group, LLC (Arlington, VA). 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 Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Miller accept?
Health plans from Oscar Health list Mark Miller 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 Mark Miller was last updated on May 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 William Miller, MD · NPI 1659306439
Sleep Medicine physician in Olney, Maryland. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1659306439 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Internal Medicine - Sleep Medicine · taxonomy 207RS0012X
- **State license:** D57581 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 18101 PRINCE PHILIP DR, Olney, MD 20832-1514
- **Phone:** (301) 774-8882
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Neighborhood Sleep Physicians (NPI 1821245283, Olney, MD); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 1995
## Record status
- **NPPES last updated:** May 13, 2010
- **Other identifiers:** Medicare UPIN H69701 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1659306439) · Data from the CMS NPPES public registry.