ASHLEY C SIEMONH N.P.
NPI 1740842475
Nurse Practitioner - Women's Health in Waldorf, MD
About Ashley C Siemonh N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY C SIEMONH N.P. (NPI 1740842475) is an individual women's health provider in Waldorf, Maryland, licensed in Maryland (R209519) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Ashley C Siemonh N.p. 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 Reassignment
Medicare enrollment records show Ashley Siemonh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20036
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 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 4
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 20602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WALDORF, MD 20602
WALDORF, MD 20602
WALDORF, MD 20602
WALDORF, MD 20602
WALDORF, MD 20602
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 Ashley Siemonh's NPI number?
The NPI number for Ashley Siemonh is 1740842475. It was assigned to this individual provider in the NPPES registry on July 2, 2019.
Where is Ashley Siemonh located?
Ashley Siemonh practices at 3500 Old Washington Rd Suite 302, Waldorf, MD 20602. The listed phone number is (410) 463-0174.
What is Ashley Siemonh's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Ashley Siemonh enrolled in Medicare?
Yes. Ashley Siemonh 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 organization bills Medicare for Ashley Siemonh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Siemonh reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). The 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 Ashley Siemonh'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 Ashley Siemonh was last updated on July 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ashley C Siemonh, N.P. · NPI 1740842475
Women's Health physician in Waldorf, Maryland. Individual provider, active in the CMS NPPES registry since July 2, 2019.
## Identity
- **NPI:** 1740842475 (Entity type: Individual)
- **Enumerated:** July 2, 2019
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** R209519 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3500 OLD WASHINGTON RD, SUITE 302, Waldorf, MD 20602
- **Phone:** (410) 463-0174
## 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:** Medstar Medical Group II LLC (NPI 1376887844, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 16, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1740842475) · Data from the CMS NPPES public registry.