Ryan Stilwell, PA-C

  • Santa Maria, CA
  • Physician assistant
NPI1629598255PAC ID3173898319
Medicare services, 2024
627
Medicare patients, 2024
352
Part D claims, 2024
508
Hospital affiliations
1
Industry payments
$134
Practice address
1414 E Main St, Santa Maria, CA 93454
Practice phone
Call (805) 739-3890
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Marian Community Clinic

Santa Maria, California

See all 4 affiliations

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Ryan Stilwell is a physician assistant in Santa Maria, California

Ryan Stilwell practices at Marian Community Clinic in Santa Maria, California.

Ryan Stilwell's NPI, 1629598255, was assigned on June 24, 2017. Ryan Stilwell holds California license 57018.

NPI and contact details
Medicare PAC ID
3173898319
NPI enumeration date
June 24, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 739-3890
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Ryan Stilwell practices at Marian Community Clinic in Santa Maria, California

Ryan Stilwell's primary practice is Marian Community Clinic, at 1414 E Main St, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3890.

  • Marian Community Clinic
    1414 E Main St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3890

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Ryan Stilwell is affiliated with 3 sites of care and 1 medical group

Ryan Stilwell's primary practice is Marian Community Clinic in Santa Maria, California. Ryan Stilwell is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is Pacific Central Coast Health Centers Medical Group. Dmand AI also links Ryan Stilwell to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Ryan Stilwell

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Ryan Stilwell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Stilwell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Marian Community ClinicAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Ryan Stilwell is one of 11,482 physician assistants in California

Physician assistant is Ryan Stilwell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Ryan Stilwell is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 57018 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acute skin infection, asthma, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, chest wall injury, chronic indigestion and chronic obstructive pulmonary disease (COPD) among the conditions Ryan Stilwell treats.

Physician assistants near Ryan Stilwell

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ryan Stilwell billed Medicare for 627 services in 2024

CMS data shows 627 Medicare services from Ryan Stilwell across 16 procedure codes in 2024, for 352 Medicare patients. Medicare paid $33,529 for them. Every service was in an office.

Medicare services, 2024627
Medicare patients352
Paid by Medicare$33,529
Procedure codes16

Ryan Stilwell's Medicare services by type, 2024

  1. Office and hospital visits419
  2. Lab and pathology94
  3. Tests and treatments52
  4. Imaging40
  5. Other services22

Ryan Stilwell compared with the California median for physician assistants, 2024

  • Ryan Stilwell
  • California median
Medicare services
627vs 2043.1 times
Medicare patients
352vs 1053.4 times
Part D claims
213vs 24312% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Ryan Stilwell's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Ryan Stilwell

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Ryan Stilwell treated 352 Medicare patients in 2024, average age 73

CMS counts 352 Medicare patients who saw Ryan Stilwell in 2024. The largest group is 65 to 74, with 156 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 36% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ryan Stilwell's median patient age at 55, with 47% women.

Medicare patients, 2024352
Average age73
Average risk score1.23
Also on Medicaid36%

Ryan Stilwell's Medicare patients by age, 2024

Ryan Stilwell's Medicare patients by sex, 2024

  • Women21361%
  • Men13939%

Chronic conditions among Ryan Stilwell's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure73%
  3. Arthritis47%
  4. Diabetes32%
  5. Mood disorders25%
  6. Chronic kidney disease24%
  7. Anxiety22%
  8. Depression22%

Share of Medicare patients with each condition. A patient can have several.

Ryan Stilwell's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women47%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Ryan Stilwell wrote 508 Medicare Part D claims in 2024

In 2024, Ryan Stilwell wrote 508 Medicare Part D claims for 228 patients. 91% of them were for generic drugs. CMS names the drug for 213 of them, across 12 drugs with 11 or more claims each, at $1,610 in total drug cost.

Part D claims, 2024508
Drugs named by CMS12
Total drug cost$1,610
Part D patients228

Ryan Stilwell's Part D claims by kind of drug, 2024

  • Generic461 claims91%
  • Brand-name and other47 claims9%

Ryan Stilwell's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Ryan Stilwell's Part D claims, 2024

  • Opioids3%13 of 508 claims
  • Antibiotics24%122 of 508 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Ryan Stilwell

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Ryan Stilwell takes part in Medicare

Ryan Stilwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Ryan Stilwell received $134 in industry payments from 2024 to 2025

CMS Open Payments shows 7 general payments to Ryan Stilwell from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $32.

General payments to Ryan Stilwell by program year, 2024 to 2025

Companies that paid Ryan Stilwell the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Ryan Stilwell

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Ryan Stilwell's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ryan Stilwell

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ryan Stilwell's NPI number?

Ryan Stilwell's NPI number is 1629598255. It was assigned on June 24, 2017, and it is active in the NPI Registry.

What does Ryan Stilwell specialize in?

Ryan Stilwell is a physician assistant in Santa Maria, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Ryan Stilwell practice?

Ryan Stilwell practices at 1414 E Main St, Santa Maria, CA 93454. Ryan Stilwell's primary practice is Marian Community Clinic in Santa Maria, California. Dmand AI also links Ryan Stilwell to 1 group practice or clinic.

What is Ryan Stilwell's office phone number?

The practice phone on file for Ryan Stilwell is (805) 739-3890.

What is Ryan Stilwell's medical license number?

Ryan Stilwell holds California license 57018.

Which hospitals is Ryan Stilwell affiliated with?

Ryan Stilwell is affiliated with Dignity Health - Marian Regional Medical Center.

What medical group is Ryan Stilwell part of?

Ryan Stilwell is linked to Pacific Central Coast Health Centers Medical Group.

Does Ryan Stilwell accept Medicare?

Yes. CMS data shows Ryan Stilwell billed Medicare for 627 services in 2024, and Ryan Stilwell accepts Medicare assignment.

How many Medicare patients does Ryan Stilwell see?

CMS counts 352 Medicare patients who saw Ryan Stilwell in 2024, with an average age of 73.

What services does Ryan Stilwell bill to Medicare?

In 2024, Ryan Stilwell's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99203).

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What drugs does Ryan Stilwell prescribe most?

In 2024 Medicare Part D data, Ryan Stilwell's most prescribed drugs by claims were Doxycycline Hyclate, Azithromycin and Cephalexin.

Has Ryan Stilwell received payments from drug or device companies?

CMS Open Payments shows $134 in general payments to Ryan Stilwell from 6 companies from 2024 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Ryan Stilwell been practicing?

Ryan Stilwell graduated from medical school in 2017, 9 years ago.

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