Steven Michael Twidwell, PA

  • Saint Louis, MO
  • Physician assistant
NPI1215526785PAC ID3971997479
Medicare patients, 2024
294
Part D claims, 2024
59
Hospital affiliations
4
Industry payments
$48
Medical groups
3
Practice address
One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
Practice phone
Call (314) 747-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Barnes-Jewish Hospital

Hospital · Saint Louis, Missouri

See all 10 affiliations

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Steven Michael Twidwell is a physician assistant in Saint Louis, Missouri

Steven Twidwell practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.

Steven Twidwell's NPI, 1215526785, was assigned on January 11, 2021. Steven Twidwell holds Missouri license 2022004609.

NPI and contact details
Medicare PAC ID
3971997479
NPI enumeration date
January 11, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 747-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

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

Steven Michael Twidwell practices at 2 locations in Saint Louis, Missouri

Steven Twidwell's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Steven Twidwell also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.

  • Barnes-Jewish HospitalPrimary
    One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
  • Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000

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

Steven Michael Twidwell is affiliated with 7 sites of care and 3 medical groups

Steven Twidwell's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Steven Twidwell is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Steven Twidwell to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 10 affiliations for Steven Twidwell

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Steven Michael Twidwell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Steven Twidwell practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Barnes-Jewish HospitalAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Steven Michael Twidwell is one of 1,484 physician assistants in Missouri

Physician assistant is Steven Twidwell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Steven Twidwell is licensed in Missouri.

Specialties and state licenses

  • Physician assistant, MissouriPrimaryLicense 2022004609 · taxonomy 363A00000X

Physician assistants near Steven Twidwell

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

Steven Michael Twidwell treated 294 Medicare patients in 2024, average age 69

CMS counts 294 Medicare patients who saw Steven Twidwell in 2024. The largest group is 65 to 74, with 135 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Steven Twidwell's median patient age at 66, with 55% women.

Medicare patients, 2024294
Average age69
Average risk score2.99
Also on Medicaid19%

Steven Twidwell's Medicare patients by age, 2024

Steven Twidwell's Medicare patients by sex, 2024

  • Women15252%
  • Men14248%

Chronic conditions among Steven Twidwell's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol65%
  3. Arthritis50%
  4. Chronic kidney disease44%
  5. Anxiety40%
  6. Cancer34%
  7. Diabetes34%
  8. Ischemic heart disease34%

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

Steven Twidwell's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

Steven Michael Twidwell wrote 59 Medicare Part D claims in 2024

In 2024, Steven Twidwell wrote 59 Medicare Part D claims for 53 patients. 93% of them were for generic drugs.

Part D claims, 202459
Part D patients53

Steven Twidwell's Part D claims by kind of drug, 2024

  • Generic55 claims93%
  • Brand-name and other4 claims7%

Drug classes CMS tracks in Steven Twidwell's Part D claims, 2024

  • Antibiotics66%39 of 59 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Steven Michael Twidwell takes part in Medicare

Steven Twidwell 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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Steven Michael Twidwell received $48 in industry payments in 2025

CMS Open Payments shows 3 general payments to Steven Twidwell from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $31.

Companies that paid Steven Twidwell the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Steven Twidwell

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

Sources for Steven Michael Twidwell'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
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 (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 Steven Michael Twidwell

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

What is Steven Michael Twidwell's NPI number?

Steven Michael Twidwell's NPI number is 1215526785. It was assigned on January 11, 2021, and it is active in the NPI Registry.

What does Steven Michael Twidwell specialize in?

Steven Michael Twidwell is a physician assistant in Saint Louis, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Steven Michael Twidwell practice?

Steven Twidwell practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Steven Twidwell also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Steven Twidwell's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Steven Twidwell to 2 hospitals, 3 group practices and clinics and 2 medical groups.

What is Steven Michael Twidwell's office phone number?

The practice phone on file for Steven Twidwell is (314) 747-3000.

What is Steven Michael Twidwell's medical license number?

Steven Twidwell holds Missouri license 2022004609.

Which hospitals is Steven Michael Twidwell affiliated with?

Steven Twidwell practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Steven Twidwell is also affiliated with Missouri Baptist Medical Center. Dmand AI links Steven Twidwell to 2 more hospitals.

What medical group is Steven Michael Twidwell part of?

Steven Twidwell is linked to WashU Medicine Psychiatry. Dmand AI links Steven Twidwell to 2 more medical groups.

Does Steven Michael Twidwell accept Medicare?

Yes. CMS lists Steven Twidwell as accepting Medicare assignment.

How many Medicare patients does Steven Michael Twidwell see?

CMS counts 294 Medicare patients who saw Steven Twidwell in 2024, with an average age of 69.

Has Steven Michael Twidwell received payments from drug or device companies?

CMS Open Payments shows $48 in general payments to Steven Twidwell from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.

How long has Steven Michael Twidwell been practicing?

Steven Twidwell graduated from medical school in 2021, 5 years ago.

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