NPPES file of Aug 9, 2026

Carolyn Estornell, FNP-C

Nurse Practitioner · Leonardtown, MD

Carolyn Estornell, FNP-C is a nurse practitioner with a practice address in Leonardtown, Maryland, and NPI 1922673946, issued on May 21, 2021. Check the license (Maryland R220883, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922673946
Name
Carolyn Estornell
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
R220883 MD
Self-reported in NPPES; status is on the state search
Practice location
23000 Moakley St Ste 102, Leonardtown, MD 20650
Phone
(301) 475-5555
Enumerated
May 21, 2021
Record last updated
Jan 18, 2023
Fax
(301) 475-5914
Medicare enrollment
Enrolled (PECOS I20210622000015); accepts Medicare assignment
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 23000 Moakley St Ste 102

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

  1. Valerie Adriani, NP-CNurse Practitioner1093485120
  2. Colleen Balkam, M.D.Orthopaedic Surgery Physician1437685492
  3. Renee Bernier, M.D.Neurology Physician1518085034
  4. Margot Geary, M.D.Pain Medicine Physician1114185402
  5. Jenna Glynn, DPTPhysical Therapist1184855058
  6. Megan Miles, M.D.Orthopaedic Hand Surgery Physician1740714831

Verify Carolyn Estornell 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 R220883
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average nurse practitioner in 2024

69 Medicare Part D claims for 26 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 20 claims were for opioids.

  1. Carolyn Estornell69
  2. Specialty average1,109

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): 86.1 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.

  1. Qualityout of 100 · 30% of the final score89.7
  2. Costout of 100 · 30%64.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Centers For Advanced Orthopaedics LLCLeonardtown, MD

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

Carolyn Estornell among 1,248 nurse practitioner records in Maryland

Carolyn Estornell, FNP-C is one of 1,248 nurse practitioner records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.

  • NPI issued2021 · 71% of these records are older, 24% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2021 · median 2018 among the 655 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Maryland

There are 1,248 nurse practitioner records in Maryland.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Valerie Adriani, NP-CLeonardtown, MD 206501093485120
  2. Jalisa Garrow, NPLeonardtown, MD 206501932685781
  3. Amy Magyar, MSN, NP-CLeonardtown, MD 206501780294371
  4. Kathryn Sterling, APRNLeonardtown, MD 206501730707456
  5. Jeni Carrico, CRNPLexington Park, MD 206531205135787
  6. Elizabeth Fryman, CRNPLexington Pk, MD 206531396755781
  7. Ijeoma Mgboji, NPLa Plata, MD 206461699649459
  8. Jessica Milton, CRNPLa Plata, MD 206461255104493

Common questions

What is Carolyn Estornell, FNP-C's NPI number?

Carolyn Estornell, FNP-C's National Provider Identifier (NPI) is 1922673946, issued on May 21, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn Estornell, FNP-C located?

The NPPES record lists a practice address at 23000 Moakley St Ste 102, Leonardtown, MD, 20650. Phone: (301) 475-5555. Providers update this record themselves, so call before visiting.

How can I verify Carolyn Estornell, FNP-C's license?

NPPES lists Maryland license number R220883, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Carolyn Estornell, FNP-C prescribe under Medicare Part D?

In 2024, Carolyn Estornell, FNP-C had 69 Medicare Part D claims for 26 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Carolyn Estornell, FNP-C's MIPS final score?

The 2023 MIPS final score is 86.1 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.