TANIA S SIERRA MD
NPI 1356631998
Obstetrics & Gynecology - Gynecology in Fairfield, CT

Active since April 16, 2011PECOS EnrolledAccepts Medicare Assignment
93.27/100
CMS Quality Rating
52 BEACH RD STE 205, FAIRFIELD, CT 06824(475) 330-6406(475) 330-6405 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 8, 2020, Apr 25, 2019, Mar 6, 2019 and 1 more (4 updates tracked since 2016).

About Tania S Sierra Md NPPES

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

TANIA S SIERRA MD (NPI 1356631998) is an individual gynecology provider in Fairfield, Connecticut, licensed in Connecticut (62554) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2011).

NPPES Registry Identity

NPI1356631998
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameTANIA S SIERRACredential: MD
Location Address52 BEACH RD STE 205Fairfield, CT 06824-6017
Mailing Address160 Hawley Ln Ste 2Trumbull, CT 06611-5387 · (203) 375-3456
Fax(475) 330-6405
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2011
Enumeration DateApril 16, 2011
Last NPPES UpdateApril 28, 20254 updates tracked since enumeration
NPPES CertifiedApril 28, 2025
NPI 1356631998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License Licensed in CT · 62554
Definition

A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

Also ListedObstetrics & Gynecology · Urogynecology and Reconstructive Pelvic SurgeryTaxonomy 207VF0040X · License 62554 (CT)
52 BEACH RD STE 205, Fairfield, CT 06824

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Tania S Sierra Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133434400
PECOS Enrollment IDI20190503000240
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 16

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.

Injection, onabotulinumtoxina, 1 unit J0585
Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.
2,800 services20 patients
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.
314 services190 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
204 services166 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.
117 services117 patients
Insertion of temporary bladder tube 51701
This procedure involves placing a small tube into your lower abdomen to help drain urine from your bladder. It's a temporary measure, often used when normal urination is not possible. The tube remains in place until you can urinate on your own again.
54 services44 patients
Electronic assessment of bladder emptying 51741
Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.
32 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06824 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.

93.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.72
Promoting Interoperability78.03
Improvement Activities40

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 Tania Sierra's NPI number?

The NPI number for Tania Sierra is 1356631998. It was assigned to this individual provider in the NPPES registry on April 16, 2011.

Where is Tania Sierra located?

Tania Sierra practices at 52 Beach Rd Ste 205, Fairfield, CT 06824. The listed phone number is (475) 330-6406.

What is Tania Sierra's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Tania Sierra enrolled in Medicare?

Yes. Tania Sierra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Tania Sierra was last updated on April 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.