Ashley C. Siemonh, N.P.
Women's Health Nurse Practitioner · Waldorf, MD
Ashley C. Siemonh, N.P. is a women's health nurse practitioner with a practice address in Waldorf, Maryland, and NPI 1740842475, issued on Jul 2, 2019. Check the license (Maryland R209519, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashley C. Siemonh
- Credential
- N.P.
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- R209519 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Old Washington RD, Waldorf, MD 20602
- Phone
- (410) 463-0174
- Enumerated
- Jul 2, 2019
- Record last updated
- Jul 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190828001902); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest women's health nurse practitioner records → All 170 in Maryland → Look up another NPI →
Also registered at 3500 Old Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacqueline Bragunier, PA-CMedical Physician Assistant1467595348
- Jay Browne, DDSGeneral Practice Dentistry1164677621
- Debra Glass, CNMAdvanced Practice Midwife1932181393
- Min Jeong Jeon, CPNP-PCPediatric Nurse Practitioner1760843049
Verify Ashley C. Siemonh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R209519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
93 Medicare Part D claims for 39 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.
Most prescribed
- Metronidazole15 claims
- Estradiol14 claims
- Estradiol (Twice Weekly)12 claims
- Fluconazole12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $241.46
8 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medstar Medical Group II LLCCharlotte Hall, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley C. Siemonh among 170 women's health nurse practitioner records in Maryland
Ashley C. Siemonh, N.P. is one of 170 women's health nurse practitioner records with a practice address in Maryland. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 55% of them.
- NPI issued2019 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2019 · median 2019 among the 76 with a school on file
- Record last updated2019 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Women's Health Nurse Practitioner providers in Maryland
There are 170 women's health nurse practitioner records in Maryland.
All 170 in Maryland → Every provider in Waldorf → Women's Health Nurse Practitioner nationwide →
The 8 women's health nurse practitioner records with the nearest ZIP codes
- Samantha Merritt, APRNWaldorf, MD 206031275205072
- Emily Odenwald, MSN, WHNP-BCWaldorf, MD 206031023590098
- Malaika Oliver, CRNPBrandywine, MD 206131558730820
- Dalisa Gutter, WHNPLa Plata, MD 206461659957785
- Michelle Narducci, CRNPLeonardtown, MD 206501699104729
- Amy Ramthun, APRNLeonardtown, MD 206501386949832
- Eva Thompson, NPLeonardtown, MD 206501871032342
- Rachelle Tomaszeski, MSN, WHNP-BCLeonardtown, MD 206501346746526
Common questions
What is Ashley C. Siemonh, N.P.'s NPI number?
Ashley C. Siemonh, N.P.'s National Provider Identifier (NPI) is 1740842475, issued on Jul 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ashley C. Siemonh, N.P. located?
The NPPES record lists a practice address at 3500 Old Washington RD, Waldorf, MD, 20602. Phone: (410) 463-0174. Providers update this record themselves, so call before visiting.
How can I verify Ashley C. Siemonh, N.P.'s license?
NPPES lists Maryland license number R209519, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Ashley C. Siemonh, N.P. prescribe under Medicare Part D?
In 2024, Ashley C. Siemonh, N.P. had 93 Medicare Part D claims for 39 beneficiaries; the average among women's health nurse practitioner prescribers was 217. Part D covers Medicare prescriptions only.
What is Ashley C. Siemonh, N.P.'s MIPS final score?
The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.