Alexis Cardellini, M.D.
NPI 1922242858 · Obstetrics & Gynecology Physician · Greenbrae, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexis Cardellini, M.D. is a Obstetrics & Gynecology Physician provider in Greenbrae, CA (NPI 1922242858).
Provider details
- NPI number
- 1922242858
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A107104 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
123 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) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 41 | $45 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $146 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 19 | $66 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 18 | $54 |
Typical Medicare-allowed amounts for these services range $45–$146 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 94 | 48 |
| Progesterone, Micronizedbrand: Progesterone | 52 | 18 |
| Estradiolbrand: Dotti | 28 | 14 |
| Estradiolbrand: Estradiol (twice Weekly) | 23 | 11 |
| Estradiolbrand: Yuvafem | 16 | — |
| Estrogens, Conjugatedbrand: Premarin | 15 | — |
| Estradiolbrand: Lyllana | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-22
- Last updated
- 2016-04-19
Frequently asked questions
- What is Alexis Cardellini's NPI number?
- Alexis Cardellini's National Provider Identifier (NPI) is 1922242858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexis Cardellini's specialty?
- Alexis Cardellini is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexis Cardellini located?
- Alexis Cardellini's practice location on file with NPPES is 100a Drakes Landing Rd Ste 225, Greenbrae, CA 94904-3119.
- What is Alexis Cardellini's phone number?
- The practice phone number listed in the NPPES registry for Alexis Cardellini is (415) 461-7800.
- Does Alexis Cardellini accept Medicare?
- Alexis Cardellini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexis Cardellini's NPI active?
- Yes — Alexis Cardellini's NPI (1922242858) is active in the NPPES registry as of the last update on 2016-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.