Tatiana Spirtos, M.D.
NPI 1710903133 · Obstetrics & Gynecology Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tatiana Spirtos, M.D. is a Obstetrics & Gynecology Physician provider in Redwood City, CA (NPI 1710903133).
Provider details
- NPI number
- 1710903133
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G45093 (CA)
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
382 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $153 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 95 | $57 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 88 | $47 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 | $133 |
| Limited Ultrasound Scan of Pelvis76857 | 16 | $62 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 155 | 63 |
| Progesterone, Micronizedbrand: Progesterone | 38 | 11 |
| Estradiolbrand: Estradiol (twice Weekly) | 33 | 14 |
| Estradiolbrand: Yuvafem | 28 | — |
| Clobetasol Propionate | 26 | 20 |
| Valacyclovir Hclbrand: Valacyclovir | 22 | 11 |
| Estradiol/Norethindrone Acetbrand: Estradiol-Norethindrone Acetat | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2006-07-15
- Last updated
- 2011-09-16
Frequently asked questions
- What is Tatiana Spirtos's NPI number?
- Tatiana Spirtos's National Provider Identifier (NPI) is 1710903133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tatiana Spirtos's specialty?
- Tatiana Spirtos is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Tatiana Spirtos located?
- Tatiana Spirtos's practice location on file with NPPES is 2900 Whipple Ave, Redwood City, CA 94062-2843.
- What is Tatiana Spirtos's phone number?
- The practice phone number listed in the NPPES registry for Tatiana Spirtos is (650) 366-5594.
- Does Tatiana Spirtos accept Medicare?
- Tatiana Spirtos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tatiana Spirtos's NPI active?
- Yes — Tatiana Spirtos's NPI (1710903133) is active in the NPPES registry as of the last update on 2011-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.