Katherine Lynn Vachalek
Family Nurse Practitioner · Leonardtown, MD
Katherine Lynn Vachalek is a family nurse practitioner with a practice address in Leonardtown, Maryland, and NPI 1609353481, issued on Jul 24, 2018. Check the license (Maryland R134649, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Lynn Vachalek
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R134649 MD
Self-reported in NPPES; status is on the state search - Practice location
- 41680 Miss Bessie Dr, Leonardtown, MD 20650
- Phone
- (301) 997-0055
- Enumerated
- Jul 24, 2018
- Record last updated
- May 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20181009001197); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 41680 Miss Bessie Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Becker, OTOccupational Therapist1619376159
- James Boyd, MDInternal Medicine Physician1699883140
- Elizabeth Cavanagh, PTAPhysical Therapy Assistant1831630607
- Ashley DearstineFamily Nurse Practitioner1356701593
- Anna Decker, M.S., CCC-SLPSpeech-Language Pathologist1043650146
- Heather Jarrett, PTAPhysical Therapy Assistant1821464173
Verify Katherine Lynn Vachalek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R134649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average family nurse practitioner in 2024
1,419 Medicare Part D claims for 143 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Amlodipine Besylate80 claims
- Atorvastatin Calcium78 claims
- Losartan Potassium56 claims
- Lisinopril55 claims
- Levothyroxine Sodium51 claims
- Hydrochlorothiazide48 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: $81.54
2 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 99,489 providers of this specialty with any payment received $650.95 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).
Katherine Lynn Vachalek among 4,124 family nurse practitioner records in Maryland
Katherine Lynn Vachalek 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 2018, is newer than 43% of them.
- NPI issued2018 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1997 · median 2019 among the 2,370 with a school on file
- Record last updated2024 · 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).
28 family nurse practitioner records list a practice address in Leonardtown
They are 28 of the 471 NPPES records with a practice address in Leonardtown, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Leonardtown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Alexis Bautochka, CRNPLeonardtown, MD 206501376104976
- Ami Bhavsar-Cohn, MSN, FNP-BCLeonardtown, MD 206501427454958
- Paula CarsonLeonardtown, MD 206501700288545
- Ashley DearstineLeonardtown, MD 206501356701593
- Nicole Griffin, CRNPLeonardtown, MD 206501316348915
- Natalie Hopkins, CRNPLeonardtown, MD 206501932487634
- Javonna O'Brien, FNP-BCLeonardtown, MD 206501417479395
- Ashley O'Neil, CRNPLeonardtown, MD 206501326577065
Common questions
What is Katherine Lynn Vachalek's NPI number?
Katherine Lynn Vachalek's National Provider Identifier (NPI) is 1609353481, issued on Jul 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lynn Vachalek located?
The NPPES record lists a practice address at 41680 Miss Bessie Dr, Leonardtown, MD, 20650. Phone: (301) 997-0055. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lynn Vachalek's license?
NPPES lists Maryland license number R134649, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Lynn Vachalek prescribe under Medicare Part D?
In 2024, Katherine Lynn Vachalek had 1,419 Medicare Part D claims for 143 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katherine Lynn Vachalek'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.