Ryan Stilwell, PA-C
NPI 1629598255 · Physician Assistant · Santa Maria, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Stilwell, PA-C is a Physician Assistant provider in Santa Maria, CA (NPI 1629598255).
Provider details
- NPI number
- 1629598255
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 57018 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
608 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $120 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 77 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $155 |
| Urinalysis, Manual Test81002 | 33 | $3 |
| X-Ray of Chest, 2 Views71046 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 35 | 35 |
| Azithromycin | 24 | 23 |
| Cephalexin | 21 | 18 |
| Ibuprofen | 20 | 16 |
| Furosemide | 18 | 12 |
| Triamcinolone Acetonide | 18 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 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
Additional practice locations (4)
- 5920 West MallAtascadero, CA 93422-4232Phone: (805) 466-0676Fax: (805) 466-4862
- 877 Oak Park BlvdPismo Beach, CA 93449-3292Phone: (805) 474-8450Fax: (805) 474-8454
- 2271 S. Depot StreetSanta Maria, CA 93455Phone: (805) 922-0561
- 1102 E Clark Ave Ste 120aSanta Maria, CA 93455-5175Phone: (805) 332-8185Fax: (805) 332-8186
Registry dates
- Enumerated
- 2017-06-24
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Ryan Stilwell's NPI number?
- Ryan Stilwell's National Provider Identifier (NPI) is 1629598255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Stilwell's specialty?
- Ryan Stilwell is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Stilwell located?
- Ryan Stilwell's practice location on file with NPPES is 1745 N Broadway Ste 101, Santa Maria, CA 93454.
- What is Ryan Stilwell's phone number?
- The practice phone number listed in the NPPES registry for Ryan Stilwell is (805) 739-3890.
- Does Ryan Stilwell accept Medicare?
- Ryan Stilwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Stilwell's NPI active?
- Yes — Ryan Stilwell's NPI (1629598255) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.