Dr. Mark A. Zelkovic, MD
- Medicare services, 2024
- 17
- Medicare patients, 2024
- 79
- Part D claims, 2024
- 106
- Hospital affiliations
- 3
- Industry payments
- $6,601
- Practice address
- 44 S Washington Ave, Greensburg, PA 15601
- Practice phone
- Call (724) 689-1335
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Excela Health General Surgery
Greensburg, Pennsylvania
Find Dr. Zelkovic'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. Mark A. Zelkovic is a general surgeon in Greensburg, Pennsylvania
Dr. Zelkovic practices at Excela Health General Surgery in Greensburg, Pennsylvania.
Dr. Zelkovic's NPI, 1548267198, was assigned on June 28, 2005. Dr. Zelkovic holds Pennsylvania license MD045350.
- NPI
- 1548267198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496898371
- NPI enumeration date
- June 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 689-1335
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Zelkovic practices at Excela Health General Surgery in Greensburg, Pennsylvania
Dr. Zelkovic's primary practice is Excela Health General Surgery, at 44 S Washington Ave, Greensburg, PA 15601 in Westmoreland County. The practice phone is (724) 689-1335.
- Excela Health General Surgery44 S Washington Ave, Greensburg, PA 15601 · Westmoreland CountyPhone(724) 689-1335
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark A. Zelkovic is affiliated with 5 sites of care and 1 medical group
Dr. Zelkovic's primary practice is Excela Health General Surgery in Greensburg, Pennsylvania. Dr. Zelkovic is also affiliated with Westmoreland Hospital. The medical group on file is Excela Health Medical Group (EHMG). Dmand AI also links Dr. Zelkovic to 2 more hospitals and 1 group practice or clinic, 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. Mark A. Zelkovic's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zelkovic practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Excela Health General Surgery | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark A. Zelkovic is one of 1,398 general surgeons in Pennsylvania
Surgery is Dr. Zelkovic's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Zelkovic is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Zelkovic
Counts of general surgeons 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. Mark A. Zelkovic billed Medicare for 17 services in 2024
CMS data shows 17 Medicare services from Dr. Zelkovic across 1 procedure code in 2024, all of them office visits, for 79 Medicare patients. Medicare paid $646 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zelkovic's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1132024: 1785%
Dr. Zelkovic compared with the Pennsylvania median for general surgeons, 2024
- Dr. Zelkovic
- Pennsylvania median
- Medicare services
- 17vs 15889% below
- Medicare patients
- 79vs 12738% below
- Part D claims
- 74vs 292.6 times
Medians across 1,213 general surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Zelkovic'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. Zelkovic and other general surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Zelkovic treated 79 Medicare patients in 2024, average age 69
CMS counts 79 Medicare patients who saw Dr. Zelkovic in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zelkovic's median patient age at 64, with 58% women.
Dr. Zelkovic's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zelkovic's Medicare patients by sex, 2024
- Women4354%
- Men3646%
Chronic conditions among Dr. Zelkovic's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis62%
- Anxiety37%
- Ischemic heart disease34%
- Mood disorders34%
- Depression32%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zelkovic's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Zelkovic wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Zelkovic wrote 106 Medicare Part D claims for 63 patients. 99% of them were for generic drugs. CMS names the drug for 74 of them, across 3 drugs with 11 or more claims each, at $439 in total drug cost. In 2023, CMS named 56 claims across 3 drugs.
Dr. Zelkovic's Part D claims by kind of drug, 2024
- Generic105 claims99%
- Brand-name and other1 claims1%
Dr. Zelkovic'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. Zelkovic's Part D claims, 2024
- Opioids36%38 of 106 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: 562024: 7432%
Drugs named by CMS: 3 in 2024, 3 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. Mark A. Zelkovic takes part in Medicare
Dr. Zelkovic accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 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. Mark A. Zelkovic received $6,601 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Zelkovic from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 44% of the total. Intuitive Surgical, Inc. paid the most, $4,659.
General payments to Dr. Zelkovic by program year, 2016 to 2025
General payments to Dr. Zelkovic by kind, 2016 to 2025
- Food and beverage$2,93244%
- Education$2,50038%
- Travel and lodging$1,16918%
Companies that paid Dr. Zelkovic the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark A. Zelkovic'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) |
| 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. Mark A. Zelkovic
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. Mark A. Zelkovic's NPI number?
Dr. Mark A. Zelkovic's NPI number is 1548267198. It was assigned on June 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Zelkovic?
Dr. Mark A. Zelkovic is a general surgeon in Greensburg, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark A. Zelkovic practice?
Dr. Zelkovic practices at 44 S Washington Ave, Greensburg, PA 15601. Dr. Zelkovic's primary practice is Excela Health General Surgery in Greensburg, Pennsylvania. Dmand AI also links Dr. Zelkovic to 2 hospitals and 1 group practice or clinic.
What is Dr. Mark A. Zelkovic's office phone number?
The practice phone on file for Dr. Zelkovic is (724) 689-1335.
What is Dr. Mark A. Zelkovic's medical license number?
Dr. Zelkovic holds Pennsylvania license MD045350.
Which hospitals is Dr. Mark A. Zelkovic affiliated with?
Dr. Zelkovic is affiliated with Westmoreland Hospital. Dmand AI links Dr. Zelkovic to 2 more hospitals.
What medical group is Dr. Mark A. Zelkovic part of?
Dr. Zelkovic is linked to Excela Health Medical Group (EHMG).
Does Dr. Mark A. Zelkovic accept Medicare?
Yes. CMS data shows Dr. Zelkovic billed Medicare for 17 services in 2024, and Dr. Zelkovic accepts Medicare assignment.
How many Medicare patients does Dr. Mark A. Zelkovic see?
CMS counts 79 Medicare patients who saw Dr. Zelkovic in 2024, with an average age of 69.
What services does Dr. Mark A. Zelkovic bill to Medicare?
In 2024, Dr. Zelkovic's most billed Medicare services were office visit, established patient (99213).
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What drugs does Dr. Mark A. Zelkovic prescribe most?
In 2024 Medicare Part D data, Dr. Zelkovic's most prescribed drugs by claims were Oxycodone HCl, Nystatin and Pantoprazole Sodium.
Has Dr. Mark A. Zelkovic received payments from drug or device companies?
CMS Open Payments shows $6,601 in general payments to Dr. Zelkovic from 7 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark A. Zelkovic been practicing?
Dr. Zelkovic graduated from medical school in 1988, 38 years ago.
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