Jennifer Anne Marrone, M.D.
Obstetrics Physician · Norwalk, CT
Jennifer Anne Marrone, M.D. is an obstetrics physician with a practice address in Norwalk, Connecticut, and NPI 1568629384, issued on May 20, 2008. Check the license (Connecticut 046422, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Anne Marrone
- Credential
- M.D.
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License number
- 046422 CT
Self-reported in NPPES; status is on the state search - Practice location
- 120 Connecticut Ave, Norwalk, CT 06854
- Phone
- (203) 899-1770
- Enumerated
- May 20, 2008
- Record last updated
- Nov 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 899-1769
- Medicare enrollment
- Enrolled (PECOS I20080731000032); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics physician records → All 11 in Connecticut → Look up another NPI →
Also registered at 120 Connecticut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ann AustinClinical Social Worker1780058891
- Radha Biswas, M.D.Pediatrics Physician1396938478
- Aracely CentenoClinical Social Worker1285369256
- Avalon Fennessey, CPNP-PCPediatric Nurse Practitioner1487083978
- Lauren FischerClinical Social Worker1356975247
- Michael FotiInternal Medicine Physician1871053330
Verify Jennifer Anne Marrone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 046422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average obstetrics physician in 2024
433 Medicare Part D claims for 143 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol101 claims
- Clobetasol Propionate46 claims
- Paroxetine Hcl23 claims
- Progesterone23 claims
- Premarin21 claims
- Fluconazole19 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): 89.9 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: $825.78
24 payments; by number, the most common kind was food and beverage; the largest payer was Exeltis, USA Inc. The 679 providers of this specialty with any payment received $826.19 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
- Physicians For Women's Health, LLCSouthport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Anne Marrone among 11 obstetrics physician records in Connecticut
Jennifer Anne Marrone, M.D. is one of 11 obstetrics physician records with a practice address in Connecticut. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 27% of them.
- NPI issued2008 · 27% of these records are older, 64% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated2003 · median 2008 among the 10 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics Physician providers in Connecticut
There are 11 obstetrics physician records in Connecticut.
All 11 in Connecticut → Every provider in Norwalk → Obstetrics Physician nationwide →
The 8 obstetrics physician records with the nearest ZIP codes
- Amy Ivanovic, MDDanbury, CT 068101992190433
- John Rodis, MDStamford, CT 069021174534150
- Barrie Suskin, M.D.Stamford, CT 069041720376494
- Claudia Silvers, M.D.Trumbull, CT 066111760764674
- Oluwatosin Adeyemo, M.D. , MPHNew Haven, CT 065111447696844
- Jillian Haynes, MDMiddletown, CT 064571811524473
- Alexander Carrese, M.DDerby, CT 064181720170616
- Stefanie ParksNew London, CT 063201750775847
Common questions
What is Jennifer Anne Marrone, M.D.'s NPI number?
Jennifer Anne Marrone, M.D.'s National Provider Identifier (NPI) is 1568629384, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Anne Marrone, M.D. located?
The NPPES record lists a practice address at 120 Connecticut Ave, Norwalk, CT, 06854. Phone: (203) 899-1770. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Anne Marrone, M.D.'s license?
NPPES lists Connecticut license number 046422, 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 Jennifer Anne Marrone, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Anne Marrone, M.D. had 433 Medicare Part D claims for 143 beneficiaries; the average among obstetrics physician prescribers was 218. Part D covers Medicare prescriptions only.
What is Jennifer Anne Marrone, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 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.