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MARY G DIANA MD
NPI 1962445684
Obstetrics & Gynecology in Westport, CT

Active since June 13, 2006PECOS Enrolled
91.11/100
CMS Quality Rating
12 AVERY PLACE, AVERY CENTER FOR OBSTETRICS & GYNECOLOGY, WESTPORT, CT 06880(203) 227-5125 Get Directions Write a Review

NPPES record last updated: December 8, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary G Diana Md NPPES

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

MARY G DIANA MD (NPI 1962445684) is an individual obstetrics & gynecology provider in Westport, Connecticut, licensed in Connecticut (56749) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1992).

NPPES Registry Identity

NPI1962445684
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARY G DIANACredential: MD
Location Address12 AVERY PLACE, AVERY CENTER FOR OBSTETRICS & GYNECOLOGYWestport, CT 06880
Mailing Address16 Georgetown NGreenwich, CT 06831-5235 · (845) 325-6127
Phone(203) 227-5125
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1992
Enumeration DateJune 13, 2006
Last NPPES UpdateDecember 8, 2020
NPPES CertifiedDecember 7, 2020
✔ NPI 1962445684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 56749✔ Licensed in NY · 200058
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.
12 AVERY PLACE, Westport, CT 06880
Open in Google Maps ↗

Other Identifiers 3

Medicaid01659383NY
OtherP00413156NY · Medicare Railroad
Other0667910001NY · Dme

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary G Diana Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5698798650
PECOS Enrollment IDI20060105000531, I20171122000326
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06880 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.71
Promoting Interoperability100
Improvement Activities40
Cost98.42

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 Mary Diana's NPI number?

The NPI number for Mary Diana is 1962445684. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Mary Diana located?

Mary Diana practices at 12 Avery Place Avery Center For Obstetrics & Gynecology, Westport, CT 06880. The listed phone number is (203) 227-5125.

What is Mary Diana's specialty?

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

Is Mary Diana enrolled in Medicare?

Yes. Mary Diana is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Diana was last updated on December 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.