Dr. Rosalyn W. Stewart, MD
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 1,271
- Hospital affiliations
- 1
- Industry payments
- $147
- Practice address
- 5601 Loch Raven Boulevard, Baltimore, MD 21239
- Practice phone
- Call (443) 444-3902
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stewart's professional email, personal email and mobile number
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Dr. Rosalyn W. Stewart is an internist in Baltimore, Maryland
Dr. Stewart practices at MedStar Good Samaritan Hospital in Baltimore, Maryland, part of MedStar Health.
Dr. Stewart's NPI, 1619905338, was assigned on June 29, 2006. Dr. Stewart graduated from University of Texas Medical School at San Antonio in 1995. Dr. Stewart holds Maryland license D0060151.
- NPI
- 1619905338NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840259305
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (443) 444-3902
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rosalyn W. Stewart practices at MedStar Good Samaritan Hospital in Baltimore, Maryland
Dr. Stewart's primary practice is MedStar Good Samaritan Hospital, at 5601 Loch Raven Boulevard, Baltimore, MD 21239 in Baltimore City. The practice phone is (443) 444-3902.
- MedStar Good Samaritan Hospital5601 Loch Raven Boulevard, Baltimore, MD 21239 · Baltimore CityPhone(443) 444-3902
Source: Dmand AI Affiliation Data
Dr. Rosalyn W. Stewart is affiliated with 3 sites of care and 1 medical group
Dr. Stewart's primary practice is MedStar Good Samaritan Hospital in Baltimore, Maryland, part of MedStar Health. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Stewart to 1 more group practice or clinic and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rosalyn W. Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Good Samaritan Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rosalyn W. Stewart is one of 3,320 internists in Maryland
Internal medicine is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Stewart is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Stewart
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. Rosalyn W. Stewart billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Dr. Stewart across 4 procedure codes in 2024, for 84 Medicare patients. Medicare paid $8,698 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stewart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2362024: 9261%
- Other services
- 2023: 322024: 5572%
Dr. Stewart compared with the Maryland median for internists, 2024
- Dr. Stewart
- Maryland median
- Medicare services
- 147vs 65678% below
- Medicare patients
- 84vs 25167% below
- Part D claims
- 757vs 3092.4 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Stewart'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rosalyn W. Stewart treated 84 Medicare patients in 2024, average age 70
CMS counts 84 Medicare patients who saw Dr. Stewart in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have high blood pressure, and 64% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 70, with 52% women.
Dr. Stewart's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stewart's Medicare patients by sex, 2024
- Women5262%
- Men3238%
Chronic conditions among Dr. Stewart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Arthritis52%
- Mood disorders50%
- Depression40%
- Anxiety39%
- Diabetes37%
- COPD35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stewart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rosalyn W. Stewart wrote 1,271 Medicare Part D claims in 2024
In 2024, Dr. Stewart wrote 1,271 Medicare Part D claims for 210 patients. 84% of them were for generic drugs. CMS names the drug for 757 of them, across 35 drugs with 11 or more claims each, at $77,947 in total drug cost. In 2023, CMS named 591 claims across 30 drugs.
Dr. Stewart's Part D claims by kind of drug, 2024
- Generic1,066 claims84%
- Brand-name and other205 claims16%
Dr. Stewart'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. Stewart's Part D claims, 2024
- Opioids3%42 of 1,271 claims
- Antibiotics2%31 of 1,271 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: 5912024: 75728%
Drugs named by CMS: 35 in 2024, 30 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. Rosalyn W. Stewart takes part in Medicare
Dr. Stewart 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. Rosalyn W. Stewart received $147 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Dr. Stewart from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $118.
General payments to Dr. Stewart by program year, 2016 to 2017
Companies that paid Dr. Stewart the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rosalyn W. Stewart graduated from University of Texas Medical School at San Antonio
Dr. Stewart graduated from University of Texas Medical School at San Antonio in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rosalyn W. Stewart'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 |
| 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. Rosalyn W. Stewart
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. Rosalyn W. Stewart's NPI number?
Dr. Rosalyn W. Stewart's NPI number is 1619905338. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rosalyn W. Stewart?
Dr. Rosalyn W. Stewart is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rosalyn W. Stewart practice?
Dr. Stewart practices at 5601 Loch Raven Boulevard, Baltimore, MD 21239. Dr. Stewart's primary practice is MedStar Good Samaritan Hospital in Baltimore, Maryland, part of MedStar Health. Dmand AI also links Dr. Stewart to 1 group practice or clinic and 1 hospital outpatient department.
What is Dr. Rosalyn W. Stewart's office phone number?
The practice phone on file for Dr. Stewart is (443) 444-3902.
What is Dr. Rosalyn W. Stewart's medical license number?
Dr. Stewart holds Maryland license D0060151.
Which hospitals is Dr. Rosalyn W. Stewart affiliated with?
Dr. Stewart practices at MedStar Good Samaritan Hospital in Baltimore, Maryland.
What medical group is Dr. Rosalyn W. Stewart part of?
Dr. Stewart is linked to Johns Hopkins University.
Does Dr. Rosalyn W. Stewart accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 147 services in 2024, and Dr. Stewart accepts Medicare assignment.
How many Medicare patients does Dr. Rosalyn W. Stewart see?
CMS counts 84 Medicare patients who saw Dr. Stewart in 2024, with an average age of 70.
What services does Dr. Rosalyn W. Stewart bill to Medicare?
In 2024, Dr. Stewart's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and hospital inpatient care (99233).
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Where did Dr. Rosalyn W. Stewart go to medical school?
Dr. Stewart graduated from University of Texas Medical School at San Antonio in 1995.
What drugs does Dr. Rosalyn W. Stewart prescribe most?
In 2024 Medicare Part D data, Dr. Stewart's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Rosalyn W. Stewart received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to Dr. Stewart from 2 companies from 2016 to 2017. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Rosalyn W. Stewart been practicing?
Dr. Stewart graduated from medical school in 1995, 31 years ago.
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