MARY A MCDONALD M.D.
NPI 1356447692
Family Medicine in Washington, DC
About Mary A Mcdonald M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY A MCDONALD M.D. (NPI 1356447692) is an individual family medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD038925) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Mary A Mcdonald M.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 Mary Mcdonald reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Airy, MD 21771
- Reassigned Medicare billing, Maryland enrollment
- 245 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 4 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 20016 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Mcdonald's NPI number?
The NPI number for Mary Mcdonald is 1356447692. It was assigned to this individual provider in the NPPES registry on September 15, 2006.
Where is Mary Mcdonald located?
Mary Mcdonald practices at 3720 Upton St NW, Washington, DC 20016. The listed phone number is (202) 966-3720.
What is Mary Mcdonald's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Mcdonald enrolled in Medicare?
Yes. Mary Mcdonald 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 Mary Mcdonald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mcdonald reassigns Medicare benefits to 2 organizations: Frederick Health Medical Group LLC (Mount Airy, MD) and Lakeside Med, LLC (Frederick, 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 Mary Mcdonald'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 Mary Mcdonald was last updated on November 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mary A Mcdonald, M.D. · NPI 1356447692
Family Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since September 15, 2006.
## Identity
- **NPI:** 1356447692 (Entity type: Individual)
- **Enumerated:** September 15, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD038925 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3720 UPTON ST NW, Washington, DC 20016-2224
- **Phone:** (202) 966-3720
## 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): Frederick Health Medical Group LLC (NPI 1114771862, Mount Airy, MD); Lakeside Med, LLC (NPI 1073142147, Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2000
## Record status
- **NPPES last updated:** November 18, 2015
- **Other identifiers:** Other 601010 (KS); Other 34069013 (MS); Medicaid 209351600 (MO); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1356447692) · Data from the CMS NPPES public registry.