Mackenzie Costello, CRNP
Registered Nurse · Chester, MD
Mackenzie Costello, CRNP is a registered nurse 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
- Registered Nurse 163W00000X
- 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
- Entity
- Type 1 · individual
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
3.6 times the Medicare Part D claims of the average registered nurse in 2024
3,835 Medicare Part D claims for 1,148 beneficiaries, against an average of 1,063 among the 17,151 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 Medicare quality score for 2023: 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, mostly food and beverage; the largest payer was Scpharmaceuticals Inc.. The 16,089 providers of this specialty with any payment received $575.97 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.
One hospital or facility affiliation
- University OF Maryland Community Medical Group IncEaston, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 registered nurse records list a Chester practice address
They are 3 of the 101 NPPES records with a Chester practice address, and 3,026 registered nurse records in Maryland.
All 3 in Chester → All 3,026 in Maryland → Every provider in Chester →
Other registered nurse records in Maryland
- Louis Abanda, RNUpper Marlboro, MD1043001068
- Caryn Abbott, RNPocomoke City, MD1730719923
- Bukola AbegundeOwings Mills, MD1720830268
- Jamie AbelLinthicum Heights, MD1821599606
- Sheri Abell, RNEdgewater, MD1932491040
- Charlene Abeln, RNColumbia, MD1679821557
- Bolade AbiolaWaldorf, MD1720865389
- Luverne Abogadie, DNP, AGACNP-BCSilver Spring, MD1386239234
- Delphine AbongbuWaldorf, MD1063779361
- Saramma Abraham, RNBaltimore, MD1285811661
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 registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
What is Mackenzie Costello, CRNP's Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.