Mackenzie Costello, CRNP
Family Nurse Practitioner · Chester, MD
Mackenzie Costello, CRNP is a family nurse practitioner with a practice address in Chester, Maryland, and NPI 1548797376, issued on May 11, 2017. Check the license (Maryland R227450, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Costello
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- R227450 MD
RN1033652 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1630 Main St Ste 101, Chester, MD 21619
- Phone
- (410) 604-6560
- Enumerated
- May 11, 2017
- Record last updated
- Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (410) 643-5789
- Medicare enrollment
- Enrolled (PECOS I20170810001677); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 1630 Main St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Baxter, CRNPPrimary Care Nurse Practitioner1346823689
- McKayla Cartagena, PA-CPhysician Assistant1790409977
- Joyce Flynt, NPFamily Nurse Practitioner1366164287
Verify Mackenzie Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R227450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,835 Medicare Part D claims for 1,148 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Metoprolol Succinate421 claims
- Atorvastatin Calcium360 claims
- Eliquis340 claims
- Rosuvastatin Calcium181 claims
- Amlodipine Besylate174 claims
- Lisinopril174 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): 86.7 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: $309.01
11 payments; by number, the most common kind was food and beverage; the largest payer was Scpharmaceuticals Inc. 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
- University OF Maryland Community Medical Group IncEaston, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mackenzie Costello among 4,124 family nurse practitioner records in Maryland
Mackenzie Costello, CRNP 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 2017, is newer than 39% of them.
- NPI issued2017 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2019 among the 2,370 with a school on file
- Record last updated2020 · 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).
9 family nurse practitioner records list a practice address in Chester
They are 9 of the 101 NPPES records with a practice address in Chester, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Chester → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sarah Callanan, CRNPChester, MD 216191316079494
- Joyce Flynt, NPChester, MD 216191366164287
- Vaneica Nordhoff, CRNP-FChester, MD 216191386765212
- Stephanie Robinson, CRNPChester, MD 216191396480760
- Tammy Rotondo, APNPChester, MD 216191487605903
- Diane Walker, NURSE PRACTITIONERChester, MD 216191700887502
- Valerie Wallace, NURSE PRACTITIONERChester, MD 216191902375512
- Olivia Warner, FNP-CChester, MD 216191275412033
Common questions
What is Mackenzie Costello, CRNP's NPI number?
Mackenzie Costello, CRNP's National Provider Identifier (NPI) is 1548797376, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Costello, CRNP located?
The NPPES record lists a practice address at 1630 Main St Ste 101, Chester, MD, 21619. Phone: (410) 604-6560. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Costello, CRNP's license?
NPPES lists Maryland license number R227450, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mackenzie Costello, CRNP prescribe under Medicare Part D?
In 2024, Mackenzie Costello, CRNP had 3,835 Medicare Part D claims for 1,148 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Mackenzie Costello, CRNP's MIPS final score?
The 2023 MIPS final score is 86.7 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.