LEIGH D. ROSEN MD
NPI 1235574559
Obstetrics & Gynecology in Greenwich, CT

Active since April 30, 2013PECOS Enrolled
779 NORTH ST, GREENWICH, CT 06831(646) 844-9602(646) 846-2310 Get Directions Write a Review

NPPES record last updated: May 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 23, 2025, Oct 6, 2020, Apr 15, 2020 and 1 more (4 updates tracked since 2019).

About Leigh D. Rosen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEIGH D. ROSEN MD (NPI 1235574559) is an individual obstetrics & gynecology provider in Greenwich, Connecticut, licensed in New York (289496) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1235574559
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameLEIGH D. ROSENCredential: MD
Location Address779 NORTH STGreenwich, CT 06831-3105
Mailing Address204 Corlies AvePelham, NY 10803-1904 · (646) 846-2310 · Fax (646) 846-2310
Fax(646) 846-2310
Sole ProprietorNo
Enumeration DateApril 30, 2013
Last NPPES UpdateMay 23, 20254 updates tracked since enumeration
NPPES CertifiedMay 23, 2025
NPI 1235574559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in NY · 289496
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
779 NORTH ST, Greenwich, CT 06831

Secondary Practice Locations 2

Location 1535 5th AveNew York, NY 10017-3620 · Phone (646) 844-9602 · Fax (646) 846-2310
Location 2204 Corlies AvePelham, NY 10803-1904 · Phone (646) 846-2310 · Fax (646) 846-2310

Other Identifiers 1

Other289496NY · Nys Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Leigh D. Rosen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services17 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients
Biopsy of lining of uterus and/or removal of polyp using an endoscope 58558
This procedure involves using a thin, flexible tool (endoscope) to examine and possibly remove a small tissue sample from the inner layer of your uterus. It may also involve removing a growth. It helps to identify any issues and plan the right treatment.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06831 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology (Gynecology)
779 NORTH ST
GREENWICH, CT 06831
Obstetrics & Gynecology (Gynecology)
779 NORTH ST
GREENWICH, CT 06831
Physician Assistant
779 NORTH ST
GREENWICH, CT 06831

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leigh Rosen's NPI number?

The NPI number for Leigh Rosen is 1235574559. It was assigned to this individual provider in the NPPES registry on April 30, 2013.

Where is Leigh Rosen located?

Leigh Rosen practices at 779 North St, Greenwich, CT 06831. The listed phone number is (646) 844-9602.

What is Leigh Rosen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Leigh Rosen enrolled in Medicare?

Yes. Leigh Rosen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leigh Rosen was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.