NPPES file of Aug 9, 2026

Rachel Koester

Family Nurse Practitioner · Frederick, MD

Rachel Koester is a family nurse practitioner with a practice address in Frederick, Maryland, and NPI 1982385902, issued on Jul 31, 2023. Check the license (Maryland R245259, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982385902
Name
Rachel Koester
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R245259 MD
Self-reported in NPPES; status is on the state search
Practice location
201 Shorebird St, Frederick, MD 21701
Phone
(202) 384-2579
Enumerated
Jul 31, 2023
Record last updated
Jul 31, 2023
Medicare enrollment
Enrolled (PECOS I20231223000318); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 201 Shorebird St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Lopiano, MDFamily Medicine Physician1275283707
  2. Anne Speer, FNP-CFamily Nurse Practitioner1619706033

Verify Rachel Koester in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R245259
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

94 Medicare Part D claims for 74 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Rachel Koester94
  2. Specialty average1,305

Most prescribed

  1. Fluticasone Propionate14 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.

Bills Medicare through 2 group practices

  1. Medstar Urgent Care LLCWheaton, MD
  2. University OF Maryland Physicians PABaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rachel Koester among 4,124 family nurse practitioner records in Maryland

Rachel Koester is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.

  • NPI issued2023 · 78% of these records are older, 14% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2023 · median 2019 among the 2,370 with a school on file
  • Record last updated2023 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

136 family nurse practitioner records list a practice address in Frederick

They are 136 of the 3,981 NPPES records with a practice address in Frederick, and 4,124 family nurse practitioner records in Maryland.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Adobea Asiam, CRNPFrederick, MD 217011659724623
  2. Stacy Bartolich, CRNPFrederick, MD 217011427434521
  3. Keisha Bernard, FNP-CFrederick, MD 217011821461849
  4. Nickeea Chalmers-ScottFrederick, MD 217011730582040
  5. Arden Cooper, FNP-BCFrederick, MD 217011528471455
  6. Kelly Llewellyn, CRNP, FNP-BCFrederick, MD 217011336578947
  7. Marla Mullen, CRNPFrederick, MD 217011457496911
  8. Nicole Mullendore, FNP-BCFrederick, MD 217011437409489

Common questions

What is Rachel Koester's NPI number?

Rachel Koester's National Provider Identifier (NPI) is 1982385902, issued on Jul 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Koester located?

The NPPES record lists a practice address at 201 Shorebird St, Frederick, MD, 21701. Phone: (202) 384-2579. Providers update this record themselves, so call before visiting.

How can I verify Rachel Koester's license?

NPPES lists Maryland license number R245259, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Rachel Koester prescribe under Medicare Part D?

In 2024, Rachel Koester had 94 Medicare Part D claims for 74 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.