DR. MAREN K KETCHAM MD
NPI 1427410141
Internal Medicine in Washington, DC
About Dr. Maren K Ketcham Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAREN K KETCHAM MD (NPI 1427410141) is an individual internal medicine provider in Washington, District Of Columbia, licensed in Maryland (D0089431) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Dr. Maren K Ketcham 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
3Medicare enrollment records show Maren Ketcham reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20001
- Reassigned Medicare billing, District of Columbia enrollment
- 162 clinicians in this Medicare group
Washington, DC 20009
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Marys Center For Maternal And Child Care Inc
- 175 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Hospital Center
Acute Care Hospitals · Arlington, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20001 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20001
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 Maren Ketcham's NPI number?
The NPI number for Maren Ketcham is 1427410141. It was assigned to this individual provider in the NPPES registry on March 22, 2016.
Where is Maren Ketcham located?
Maren Ketcham practices at 1001 G St NW Ste 200E, Washington, DC 20001. The listed phone number is (888) 663-6331.
What is Maren Ketcham's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Maren Ketcham enrolled in Medicare?
Yes. Maren Ketcham 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 Maren Ketcham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maren Ketcham reassigns Medicare benefits to 3 organizations: One Medstar Primary Care LLC (Washington, DC), Mary's Center For Maternal And Child Care, Inc (Washington, DC) 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 Maren Ketcham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maren Ketcham affiliated with any hospitals?
According to CMS data, Maren Ketcham is affiliated with Virginia Hospital Center.
When was this NPI record last updated?
The NPPES record for Maren Ketcham was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Dr. Maren K Ketcham, MD · NPI 1427410141
Internal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 22, 2016.
## Identity
- **NPI:** 1427410141 (Entity type: Individual)
- **Enumerated:** March 22, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0089431 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 G ST NW STE 200E, Washington, DC 20001-4546
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## 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): One Medstar Primary Care LLC (NPI 1417571530, Washington, DC); Mary's Center For Maternal And Child Care, Inc (NPI 1962520288, Washington, DC); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1427410141) · Data from the CMS NPPES public registry.