Dr. Margaret R. Zelasko, MD
- Medicare services, 2024
- 16,105
- Medicare patients, 2024
- 1,177
- Part D claims, 2024
- 13,634
- Hospital affiliations
- 5
- Industry payments
- $22,105
- Practice address
- 1910 W Royale Dr, Muncie, IN 47304
- Practice phone
- Call (765) 289-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Royale Internal Medicine
Muncie, Indiana
Find Dr. Zelasko'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. Margaret R. Zelasko is an internist in Muncie, Indiana
Dr. Zelasko practices at Royale Internal Medicine in Muncie, Indiana.
Dr. Zelasko's NPI, 1225355613, was assigned on April 26, 2010. Dr. Zelasko graduated from Indiana University School of Medicine in 2010. Dr. Zelasko holds Indiana license 01073466A.
- NPI
- 1225355613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628219821
- NPI enumeration date
- April 26, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (765) 289-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret R. Zelasko practices at Royale Internal Medicine in Muncie, Indiana
Dr. Zelasko's primary practice is Royale Internal Medicine, at 1910 W Royale Dr, Muncie, IN 47304 in Delaware County. The practice phone is (765) 289-1011.
- Royale Internal Medicine1910 W Royale Dr, Muncie, IN 47304 · Delaware CountyPhone(765) 289-1011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Margaret R. Zelasko is affiliated with 14 sites of care and 7 medical groups
Dr. Zelasko's primary practice is Royale Internal Medicine in Muncie, Indiana. Dr. Zelasko is also affiliated with IU Health Ball Memorial Hospital. The medical group on file is Muncie Primary Care. Dmand AI also links Dr. Zelasko to 4 more hospitals, 6 medical groups, 5 group practices and clinics and 3 home health agencies, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Margaret R. Zelasko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zelasko practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Royale Internal Medicine | Available with a free account |
| +13 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaret R. Zelasko is one of 1,987 internists in Indiana
Internal medicine is Dr. Zelasko's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zelasko is licensed in Indiana.
Specialties and state licenses
- Internal medicine, IndianaPrimary
Internists near Dr. Zelasko
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. Margaret R. Zelasko billed Medicare for 16,105 services in 2024
CMS data shows 16,105 Medicare services from Dr. Zelasko across 58 procedure codes in 2024, for 1,177 Medicare patients. Medicare paid $568,057 for them. Every service was in an office.
Dr. Zelasko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 7,3592024: 7,7445%
- Tests and treatments
- 2023: 2,2852024: 2,68518%
- Other services
- 2023: 1,2962024: 2,47391%
- Office and hospital visits
- 2023: 1,6992024: 1,8599%
- Surgery
- 2023: 1,1552024: 1,1431%
- Drugs given in the office
- 2023: 2,3862024: 20192%
- Imaging
- 2023: 292024: 0100%
Dr. Zelasko compared with the Indiana median for internists, 2024
- Dr. Zelasko
- Indiana median
- Medicare services
- 16,105vs 52031.0 times
- Medicare patients
- 1,177vs 2125.6 times
- Part D claims
- 12,830vs 15980.7 times
Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.
Dr. Zelasko'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zelasko and other internists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret R. Zelasko treated 1,177 Medicare patients in 2024, average age 76
CMS counts 1,177 Medicare patients who saw Dr. Zelasko in 2024. The largest group is 65 to 74, with 533 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zelasko's median patient age at 69, with 61% women.
Dr. Zelasko's Medicare patients by age, 2024
Dr. Zelasko's Medicare patients by sex, 2024
- Women73262%
- Men44538%
Chronic conditions among Dr. Zelasko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis38%
- Diabetes30%
- Mood disorders29%
- Depression28%
- Chronic kidney disease23%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zelasko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margaret R. Zelasko wrote 13,634 Medicare Part D claims in 2024
In 2024, Dr. Zelasko wrote 13,634 Medicare Part D claims for 1,003 patients. 82% of them were for generic drugs. CMS names the drug for 12,830 of them, across 170 drugs with 11 or more claims each, at $1,624,542 in total drug cost. In 2023, CMS named 11,926 claims across 156 drugs.
Dr. Zelasko's Part D claims by kind of drug, 2024
- Generic11,169 claims82%
- Brand-name2,378 claims17%
- Other87 claims1%
Dr. Zelasko'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. Zelasko's Part D claims, 2024
- Opioids2%319 of 13,634 claims
- Antibiotics2%319 of 13,634 claims
- Antipsychotics, patients 65 and over0%33 of 13,634 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: 11,9262024: 12,8308%
Drugs named by CMS: 170 in 2024, 156 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
Dr. Margaret R. Zelasko offers telehealth to Medicare patients
Dr. Zelasko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zelasko as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Margaret R. Zelasko received $22,105 in industry payments from 2016 to 2025
CMS Open Payments shows 1,477 general payments to Dr. Zelasko from 81 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $3,359.
General payments to Dr. Zelasko by program year, 2016 to 2025
General payments to Dr. Zelasko by kind, 2016 to 2025
- Food and beverage$21,82999%
- Education$2761%
Companies that paid Dr. Zelasko the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Margaret R. Zelasko graduated from Indiana University School of Medicine
Dr. Zelasko graduated from Indiana University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaret R. Zelasko'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (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. Margaret R. Zelasko
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. Margaret R. Zelasko's NPI number?
Dr. Margaret R. Zelasko's NPI number is 1225355613. It was assigned on April 26, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret R. Zelasko?
Dr. Margaret R. Zelasko is an internist in Muncie, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Margaret R. Zelasko practice?
Dr. Zelasko practices at 1910 W Royale Dr, Muncie, IN 47304. Dr. Zelasko's primary practice is Royale Internal Medicine in Muncie, Indiana. Dmand AI also links Dr. Zelasko to 4 hospitals, 6 medical groups, 5 group practices and clinics and 3 home health agencies.
What is Dr. Margaret R. Zelasko's office phone number?
The practice phone on file for Dr. Zelasko is (765) 289-1011.
What is Dr. Margaret R. Zelasko's medical license number?
Dr. Zelasko holds Indiana license 01073466A.
Which hospitals is Dr. Margaret R. Zelasko affiliated with?
Dr. Zelasko is affiliated with IU Health Ball Memorial Hospital. Dmand AI links Dr. Zelasko to 4 more hospitals.
What medical group is Dr. Margaret R. Zelasko part of?
Dr. Zelasko is linked to Muncie Primary Care. Dmand AI links Dr. Zelasko to 6 more medical groups.
Does Dr. Margaret R. Zelasko accept Medicare?
Yes. CMS data shows Dr. Zelasko billed Medicare for 16,105 services in 2024, and Dr. Zelasko accepts Medicare assignment.
Does Dr. Margaret R. Zelasko offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zelasko as offering telehealth services.
How many Medicare patients does Dr. Margaret R. Zelasko see?
CMS counts 1,177 Medicare patients who saw Dr. Zelasko in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Margaret R. Zelasko bill to Medicare?
In 2024, Dr. Zelasko's most billed Medicare services were surgery: heart and blood vessels (36415), medicare service (G0008) and office visit, established patient (99214).
Where did Dr. Margaret R. Zelasko go to medical school?
Dr. Zelasko graduated from Indiana University School of Medicine in 2010.
What drugs does Dr. Margaret R. Zelasko prescribe most?
In 2024 Medicare Part D data, Dr. Zelasko's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Margaret R. Zelasko received payments from drug or device companies?
CMS Open Payments shows $22,105 in general payments to Dr. Zelasko from 81 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Margaret R. Zelasko been practicing?
Dr. Zelasko graduated from medical school in 2010, 16 years ago.
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