Allyson Leigh Roser, PA

  • Saint Louis, MO
  • Physician assistant
NPI1639678451PAC ID1153667415
Medicare patients, 2024
133
Part D claims, 2024
423
MIPS score, 2024
85
Hospital affiliations
5
Industry payments
$81
Practice address
1201 S Grand Blvd, Saint Louis, MO 63104
Practice phone
Call (314) 257-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

SSM Health Saint Louis University Hospital

Hospital · Saint Louis, Missouri

See all 8 affiliations

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Allyson Leigh Roser is a physician assistant in Saint Louis, Missouri

Allyson Roser practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care.

Allyson Roser's NPI, 1639678451, was assigned on February 7, 2018. Allyson Roser holds Illinois license 085.006541.

NPI and contact details
Medicare PAC ID
1153667415
NPI enumeration date
February 7, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 257-8000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

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

Allyson Leigh Roser practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri

Allyson Roser's primary practice is SSM Health Saint Louis University Hospital, at 1201 S Grand Blvd, Saint Louis, MO 63104 in St. Louis City. The practice phone is (314) 257-8000.

Source: Dmand AI Affiliation Data

Allyson Leigh Roser is affiliated with 7 sites of care and 1 medical group

Allyson Roser's primary practice is SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care. Allyson Roser is also affiliated with SSM Health St. Mary's Hospital - St. Louis. The medical group on file is SLUCare Physician Group. Dmand AI also links Allyson Roser to 3 more hospitals, 1 behavioral health center and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Allyson Roser

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

Dmand AI tracks the EHR system at Allyson Leigh Roser's practice

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

EHR by site
SiteEHR vendor and product
SSM Health Saint Louis University HospitalAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Allyson Leigh Roser is one of 1,484 physician assistants in Missouri

Physician assistant is Allyson Roser's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Allyson Roser's licenses on file in 2 states: Illinois and Massachusetts.

Specialties and state licenses

  • Physician assistant, IllinoisPrimaryLicense 085.006541 · taxonomy 363A00000X
  • Medical physician assistant, MassachusettsLicense 1150728 · taxonomy 363AM0700X

Physician assistants near Allyson Roser

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

Allyson Leigh Roser treated 133 Medicare patients in 2024, average age 70

CMS counts 133 Medicare patients who saw Allyson Roser in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have arthritis, and 75% have high blood pressure. 33% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Allyson Roser's median patient age at 66, with 69% women.

Medicare patients, 2024133
Average age70
Average risk score1.77
Also on Medicaid33%

Allyson Roser's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Allyson Roser's Medicare patients by sex, 2024

  • Women8967%
  • Men4433%

Chronic conditions among Allyson Roser's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol64%
  4. Diabetes46%
  5. Chronic kidney disease29%
  6. Heart failure29%
  7. Anxiety28%
  8. Ischemic heart disease27%

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

Allyson Roser'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

  • Women69%
  • Men31%

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

Allyson Leigh Roser wrote 423 Medicare Part D claims in 2024

In 2024, Allyson Roser wrote 423 Medicare Part D claims for 134 patients. 100% of them were for generic drugs.

Part D claims, 2024423
Part D patients134

Allyson Roser's Part D claims by kind of drug, 2024

  • Generic422 claims100%
  • Brand-name and other1 claims0%

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

Allyson Leigh Roser scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Allyson Roser for performance year 2024, reported as part of a group. Allyson Roser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Allyson Roser's MIPS scores, performance year 2024

  • 85of 100Final score
  • 68.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Allyson Leigh Roser received $81 in industry payments in 2025

CMS Open Payments shows 1 general payment to Allyson Roser from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $81.

Companies that paid Allyson Roser the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Allyson Roser

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

Sources for Allyson Leigh Roser'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 phoneDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (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 Allyson Leigh Roser

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

What is Allyson Leigh Roser's NPI number?

Allyson Leigh Roser's NPI number is 1639678451. It was assigned on February 7, 2018, and it is active in the NPI Registry.

What does Allyson Leigh Roser specialize in?

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

Where does Allyson Leigh Roser practice?

Allyson Roser practices at 1201 S Grand Blvd, Saint Louis, MO 63104. Allyson Roser's primary practice is SSM Health Saint Louis University Hospital in Saint Louis, Missouri, part of SSM Health Care. Dmand AI also links Allyson Roser to 3 hospitals, 1 behavioral health center and 1 group practice or clinic.

What is Allyson Leigh Roser's office phone number?

The practice phone on file for Allyson Roser is (314) 257-8000.

What is Allyson Leigh Roser's medical license number?

Allyson Roser holds Illinois license 085.006541, one of the licenses on file in 2 states.

Which states has Allyson Leigh Roser been licensed in?

Dmand AI has state licenses on file for Allyson Roser in Illinois and Massachusetts.

Which hospitals is Allyson Leigh Roser affiliated with?

Allyson Roser practices at SSM Health Saint Louis University Hospital in Saint Louis, Missouri. Allyson Roser is also affiliated with SSM Health St. Mary's Hospital - St. Louis. Dmand AI links Allyson Roser to 3 more hospitals.

What medical group is Allyson Leigh Roser part of?

Allyson Roser is linked to SLUCare Physician Group.

Does Allyson Leigh Roser accept Medicare?

Yes. CMS lists Allyson Roser as accepting Medicare assignment.

What is Allyson Leigh Roser's MIPS score?

Allyson Roser's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

Show 3 more questionsShow fewer questions

How many Medicare patients does Allyson Leigh Roser see?

CMS counts 133 Medicare patients who saw Allyson Roser in 2024, with an average age of 70.

Has Allyson Leigh Roser received payments from drug or device companies?

CMS Open Payments shows $81 in general payments to Allyson Roser from 1 company from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Allyson Leigh Roser been practicing?

Allyson Roser graduated from medical school in 2017, 9 years ago.

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