Sapna Tandon, D.O.
NPI 1679593818 · Obstetrics & Gynecology Physician · Fairfield, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sapna Tandon, D.O. is a Obstetrics & Gynecology Physician provider in Fairfield, CT (NPI 1679593818).
Provider details
- NPI number
- 1679593818
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 038770 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
328 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 75 | $43 |
| Colorectal Cancer Screening; Fecal Occult Blood Test, Immunoassay, 1-3 SimultaneousG0328 | 72 | $18 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 72 | $48 |
| Assessment of Emotional Or Behavioral Problems96127 | 55 | $5 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 28 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 76 | 26 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 33 | 17 |
| Progesterone, Micronizedbrand: Progesterone | 19 | — |
| Medroxyprogesterone Acetate | 13 | — |
| Valacyclovir Hclbrand: Valacyclovir | 13 | — |
| Estradiolbrand: Yuvafem | 12 | — |
| Citalopram Hydrobromidebrand: Citalopram Hbr |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2017-04-22
Frequently asked questions
- What is Sapna Tandon's NPI number?
- Sapna Tandon's National Provider Identifier (NPI) is 1679593818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sapna Tandon's specialty?
- Sapna Tandon is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sapna Tandon located?
- Sapna Tandon's practice location on file with NPPES is Ob/Gyn of Fairfield County, Fairfield, CT 06824.
- What is Sapna Tandon's phone number?
- The practice phone number listed in the NPPES registry for Sapna Tandon is (203) 256-3990.
- Does Sapna Tandon accept Medicare?
- Sapna Tandon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sapna Tandon's NPI active?
- Yes — Sapna Tandon's NPI (1679593818) is active in the NPPES registry as of the last update on 2017-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.