Marianne More Casilla-Lennon, MD
Urology Physician · New Haven, CT
Marianne More Casilla-Lennon, MD is a urology physician with a practice address in New Haven, Connecticut, and NPI 1477081594, issued on Jun 2, 2017. Check the license (Connecticut 72407, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marianne More Casilla-Lennon
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 72407 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York Street, New Haven, CT 06510
- Phone
- (203) 688-4242
- Enumerated
- Jun 2, 2017
- Record last updated
- May 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20220929003207); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 185 in Connecticut → Look up another NPI →
Also registered at 20 York Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Aber, M.D.Student in an Organized Health Care Education/Training Program1548011455
- Sandra Abi Fadel, M.D.Diagnostic Radiology Physician1396308995
- Ahmad AbulabanStudent in an Organized Health Care Education/Training Program1306357546
- Zachary Adirim, M.D.Student in an Organized Health Care Education/Training Program1619669934
- Payal AgrawalStudent in an Organized Health Care Education/Training Program1982494860
- Santhosh AgumamidiStudent in an Organized Health Care Education/Training Program1558151449
Verify Marianne More Casilla-Lennon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 72407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average urology physician in 2024
419 Medicare Part D claims for 127 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Tamsulosin Hcl61 claims
- Oxybutynin Chloride Er51 claims
- Myrbetriq49 claims
- Finasteride41 claims
- Solifenacin Succinate41 claims
- Gemtesa34 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
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne More Casilla-Lennon among 185 urology physician records in Connecticut
Marianne More Casilla-Lennon, MD is one of 185 urology physician records with a practice address in Connecticut. 79% 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 84% of them.
- NPI issued2017 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2006 among the 127 with a school on file
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Connecticut
There are 185 urology physician records in Connecticut.
All 185 in Connecticut → Every provider in New Haven → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Christopher HaydenNew Haven, CT 065101912581026
- Cynthia Leung, M.D.New Haven, CT 065101528488343
- Adam Ludvigson, M.D.New Haven, CT 065101689093080
- Guy Manetti, M.D.New Haven, CT 065101720246333
- Ganesh Sanekommu, MDNew Haven, CT 065101821550849
- Peter Schulam, M.D.New Haven, CT 065101487674768
- Daniel Segal, MDNew Haven, CT 065101790275014
- Michael Siev, MDNew Haven, CT 065101093161895
Common questions
What is Marianne More Casilla-Lennon, MD's NPI number?
Marianne More Casilla-Lennon, MD's National Provider Identifier (NPI) is 1477081594, issued on Jun 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marianne More Casilla-Lennon, MD located?
The NPPES record lists a practice address at 20 York Street, New Haven, CT, 06510. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Marianne More Casilla-Lennon, MD's license?
NPPES lists Connecticut license number 72407, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marianne More Casilla-Lennon, MD prescribe under Medicare Part D?
In 2024, Marianne More Casilla-Lennon, MD had 419 Medicare Part D claims for 127 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Marianne More Casilla-Lennon, MD'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.