Tania Sierra, MD
NPI 1356631998 · Gynecology Physician · Fairfield, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tania Sierra, MD is a Gynecology Physician provider in Fairfield, CT (NPI 1356631998).
Provider details
- NPI number
- 1356631998
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 62554 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician207VF0040XLicense 62554 (CT)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
938 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 314 | $139 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 204 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 117 | $181 |
| Insertion of Temporary Bladder Tube51701 | 54 | $49 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 34 | $18 |
| Electronic Assessment of Bladder Emptying |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Vibegronbrand: Gemtesa | 313 | 96 |
| Mirabegronbrand: Myrbetriq | 300 | 74 |
| Estradiol | 170 | 113 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 143 | 95 |
| Ciprofloxacin Hcl | 79 | 57 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 74 | 56 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-16
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Tania Sierra's NPI number?
- Tania Sierra's National Provider Identifier (NPI) is 1356631998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tania Sierra's specialty?
- Tania Sierra is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Tania Sierra located?
- Tania Sierra's practice location on file with NPPES is 52 Beach Rd Ste 205, Fairfield, CT 06824-6017.
- What is Tania Sierra's phone number?
- The practice phone number listed in the NPPES registry for Tania Sierra is (475) 330-6406.
- Does Tania Sierra accept Medicare?
- Tania Sierra is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tania Sierra's NPI active?
- Yes — Tania Sierra's NPI (1356631998) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.