Rhiannon Ryan
NPI 1184205668 · Family Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rhiannon Ryan is a Family Medicine Physician provider in San Diego, CA (NPI 1184205668).
Provider details
- NPI number
- 1184205668
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 20A22746 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
11 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $98 |
Typical Medicare-allowed amounts for these services range $98–$98 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 17 |
| Amlodipine Besylate | 39 | 13 |
| Hydrochlorothiazide | 20 | — |
| Lisinopril | 17 | — |
| Levothyroxine Sodium | 15 | — |
| Tamsulosin Hcl | 14 | — |
| Losartan Potassium |
Practice location
Mailing address
Additional practice locations (1)
- 501 W 14th StWilmington, DE 19801-1013Phone: (302) 320-4410
Registry dates
- Enumerated
- 2021-04-16
- Last updated
- 2024-08-13
- Certified
- 2024-08-13
Frequently asked questions
- What is Rhiannon Ryan's NPI number?
- Rhiannon Ryan's National Provider Identifier (NPI) is 1184205668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rhiannon Ryan's specialty?
- Rhiannon Ryan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rhiannon Ryan located?
- Rhiannon Ryan's practice location on file with NPPES is 9333 Genesee Ave, San Diego, CA 92121-2111.
- What is Rhiannon Ryan's phone number?
- The practice phone number listed in the NPPES registry for Rhiannon Ryan is (800) 926-8273.
- Does Rhiannon Ryan accept Medicare?
- Rhiannon Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rhiannon Ryan's NPI active?
- Yes — Rhiannon Ryan's NPI (1184205668) is active in the NPPES registry as of the last update on 2024-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.