Marissa Nicole Greco Lowrie, FNP
Family Nurse Practitioner · Darien, CT
Marissa Nicole Greco Lowrie, FNP is a family nurse practitioner with a practice address in Darien, Connecticut, and NPI 1801382825, issued on Jul 2, 2018. Check the license (Connecticut 9487, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Nicole Greco Lowrie
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 9487 CT
343256 NY
Self-reported in NPPES; status is on the state search - Practice location
- 104 Heights RD, Darien, CT 06820
- Phone
- (888) 663-6331
- Enumerated
- Jul 2, 2018
- Record last updated
- Mar 17, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20210330000937); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 104 Heights RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea CianoFamily Medicine Physician1265825970
Verify Marissa Nicole Greco Lowrie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 9487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average family nurse practitioner in 2024
760 Medicare Part D claims for 260 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Mounjaro42 claims
- Diclofenac Sodium40 claims
- Ozempic39 claims
- Amlodipine Besylate31 claims
- Omeprazole29 claims
- Rosuvastatin Calcium25 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): 73.6 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).
Bills Medicare through one group practice
- Hhc One Medical, LLCDarien, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Nicole Greco Lowrie among 2,669 family nurse practitioner records in Connecticut
Marissa Nicole Greco Lowrie, FNP is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% 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 46% of them.
- NPI issued2018 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2018 among the 1,664 with a school on file
- Record last updated2025 · 43% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family nurse practitioner records list a practice address in Darien
They are 8 of the 380 NPPES records with a practice address in Darien, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Darien → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kelly Melchionno, NP-CDarien, CT 068201770916637
- Karol OrtegaDarien, CT 068201225861123
- Zeenith Park, APRNDarien, CT 068201306185202
- Cassandra Shepard, APRNDarien, CT 068201740718618
- Madeline Torrenti, NP-CDarien, CT 068201588935803
- Caroline Ugolyn, APRNDarien, CT 068201205125010
- Julia Duffy, APRNFairfield, CT 068241790716413
- Vanessa Hurta, RN, NPFairfield, CT 068241184747644
Common questions
What is Marissa Nicole Greco Lowrie, FNP's NPI number?
Marissa Nicole Greco Lowrie, FNP's National Provider Identifier (NPI) is 1801382825, issued on Jul 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Nicole Greco Lowrie, FNP located?
The NPPES record lists a practice address at 104 Heights RD, Darien, CT, 06820. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Marissa Nicole Greco Lowrie, FNP's license?
NPPES lists Connecticut license number 9487, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Nicole Greco Lowrie, FNP prescribe under Medicare Part D?
In 2024, Marissa Nicole Greco Lowrie, FNP had 760 Medicare Part D claims for 260 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Marissa Nicole Greco Lowrie, FNP's MIPS final score?
The 2023 MIPS final score is 73.6 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.