Dr. Stephanie Muir, DO
- Part D claims, 2024
- 322
- Hospital affiliations
- 1
- Industry payments
- $70
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 27300 Iris Avenue, Moreno Valley, CA 92555
- Practice phone
- Call (951) 251-6530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Muir's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephanie Muir is an internist in Moreno Valley, California
Dr. Muir practices at Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente.
Dr. Muir's NPI, 1487146478, was assigned on June 5, 2018. Dr. Muir graduated from Arizona College of Osteopathic Medicine - Glendale in 2018. Dr. Muir holds Pennsylvania license OT018392.
- NPI
- 1487146478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698021194
- NPI enumeration date
- June 5, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 251-6530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephanie Muir practices at Moreno Valley Medical Center in Moreno Valley, California
Dr. Muir's primary practice is Moreno Valley Medical Center, at 27300 Iris Avenue, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 251-6530.
- Moreno Valley Medical Center27300 Iris Avenue, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 251-6530
Source: Dmand AI Affiliation Data
Dr. Stephanie Muir is affiliated with 1 site of care and 1 medical group
Dr. Muir's primary practice is Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephanie Muir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Muir practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Moreno Valley Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephanie Muir is one of 16,751 internists in California
Internal medicine is Dr. Muir's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Muir is board certified in internal medicine by the American Board of Internal Medicine. Dr. Muir is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Clinical focus
Dmand AI lists gastrointestinal bleeding among the conditions Dr. Muir treats.
Internists near Dr. Muir
Counts of internists 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
Dr. Stephanie Muir's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Muir's median patient age at 71, with 58% women.
Dr. Muir's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Stephanie Muir wrote 322 Medicare Part D claims in 2024
In 2024, Dr. Muir wrote 322 Medicare Part D claims for 161 patients. 87% of them were for generic drugs. CMS names the drug for 108 of them, across 5 drugs with 11 or more claims each, at $1,318 in total drug cost. In 2023, CMS named 84 claims across 4 drugs.
Dr. Muir's Part D claims by kind of drug, 2024
- Generic279 claims87%
- Brand-name and other43 claims13%
Dr. Muir'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 Dr. Muir's Part D claims, 2024
- Antibiotics25%81 of 322 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 842024: 10829%
Drugs named by CMS: 5 in 2024, 4 in 2023.
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 Dr. Stephanie Muir takes part in Medicare
Dr. Muir 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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Dr. Stephanie Muir received $70 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Muir from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $70.
Companies that paid Dr. Muir the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephanie Muir graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Muir graduated from Arizona College of Osteopathic Medicine - Glendale in 2018.
- Medical school
- Board certified in internal medicine
- Board certified in current
- Board certified in 2021 - 2027
- Board certified in 2018 - 2021
Source: Dmand AI Professional Profile Data
Dr. Stephanie Muir accepts plans from 2 insurance carriers
Dr. Muir is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Muir accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephanie Muir's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephanie Muir
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephanie Muir's NPI number?
Dr. Stephanie Muir's NPI number is 1487146478. It was assigned on June 5, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephanie Muir?
Dr. Stephanie Muir is an internist in Moreno Valley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephanie Muir practice?
Dr. Muir practices at 27300 Iris Avenue, Moreno Valley, CA 92555. Dr. Muir's primary practice is Moreno Valley Medical Center in Moreno Valley, California, part of Kaiser Permanente.
What is Dr. Stephanie Muir's office phone number?
The practice phone on file for Dr. Muir is (951) 251-6530.
What is Dr. Stephanie Muir's medical license number?
Dr. Muir holds Pennsylvania license OT018392.
Which hospitals is Dr. Stephanie Muir affiliated with?
Dr. Muir practices at Moreno Valley Medical Center in Moreno Valley, California.
What medical group is Dr. Stephanie Muir part of?
Dr. Muir is linked to Southern California Permanente Medical Group.
Does Dr. Stephanie Muir accept Medicare?
Yes. CMS lists Dr. Muir as accepting Medicare assignment.
Is Dr. Stephanie Muir board certified?
Yes. Dr. Muir is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Stephanie Muir go to medical school?
Dr. Muir graduated from Arizona College of Osteopathic Medicine - Glendale in 2018.
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What drugs does Dr. Stephanie Muir prescribe most?
In 2024 Medicare Part D data, Dr. Muir's most prescribed drugs by claims were Cefpodoxime Proxetil, Furosemide and Prednisone.
Has Dr. Stephanie Muir received payments from drug or device companies?
CMS Open Payments shows $70 in general payments to Dr. Muir from 1 company from 2018 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Stephanie Muir been practicing?
Dr. Muir graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Stephanie Muir accept?
Dr. Muir is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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