Kathleen Ryan, MD
NPI 1326126905 · Obstetrics & Gynecology Physician · Daly City, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Ryan, MD is a Obstetrics & Gynecology Physician provider in Daly City, CA (NPI 1326126905).
Provider details
- NPI number
- 1326126905
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G55556 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 42 | 28 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 22 | — |
| Trospium Chloride | 22 | — |
| Estradiolbrand: Yuvafem | 20 | — |
| Mirabegronbrand: Myrbetriq | 17 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 16 |
| Clobetasol Propionate | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
- 2006-11-01
- Last updated
- 2021-12-09
Frequently asked questions
- What is Kathleen Ryan's NPI number?
- Kathleen Ryan's National Provider Identifier (NPI) is 1326126905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Ryan's specialty?
- Kathleen Ryan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Ryan located?
- Kathleen Ryan's practice location on file with NPPES is 395 Hickey Blvd, Daly City, CA 94015-2770.
- What is Kathleen Ryan's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Ryan is (650) 742-2000.
- Does Kathleen Ryan accept Medicare?
- Kathleen Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Ryan's NPI active?
- Yes — Kathleen Ryan's NPI (1326126905) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.