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Dr. Mark S. Shimko, MD
NPI1457541278PAC ID7719053628
- Medicare services, 2024
- 4,720
- Medicare patients, 2024
- 1,144
- Part D claims, 2024
- 2,254
- Publications
- 3
- Hospital affiliations
- 5
- Practice address
- 1342 S Division St, Salisbury, MD 21804
- Practice phone
- Call (410) 546-2133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chesapeake Urology Associates LLC
Salisbury, Maryland
Find Dr. Shimko's professional email, personal email and mobile number
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Dr. Mark S. Shimko is a urologist in Salisbury, Maryland
Dr. Shimko practices at Chesapeake Urology Associates LLC in Salisbury, Maryland.
Dr. Shimko's NPI, 1457541278, was assigned on July 27, 2007. Dr. Shimko graduated from University of Maryland School of Medicine in 2007. Dr. Shimko holds Maryland license D0073462.
NPI and contact details
- NPI
- 1457541278NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719053628
- NPI enumeration date
- July 27, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 546-2133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Shimko practices at Chesapeake Urology Associates LLC in Salisbury, Maryland
Dr. Shimko's primary practice is Chesapeake Urology Associates LLC, at 1342 S Division St, Salisbury, MD 21804 in Wicomico County. The practice phone is (410) 546-2133.
- Chesapeake Urology Associates LLC1342 S Division St, Salisbury, MD 21804 · Wicomico CountyPhone(410) 546-2133
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark S. Shimko is affiliated with 8 sites of care and 2 medical groups
Dr. Shimko's primary practice is Chesapeake Urology Associates LLC in Salisbury, Maryland. Dr. Shimko is also affiliated with TidalHealth Peninsula Regional. The medical group on file is Chesapeake Urology Associates. Dmand AI also links Dr. Shimko to 4 more hospitals, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Chesapeake Urology Associates LLCPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark S. Shimko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shimko practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chesapeake Urology Associates LLC | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Shimko is one of 268 urologists in Maryland
Urology is Dr. Shimko's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Shimko's licenses on file in 3 states: Maryland, Delaware and Minnesota.
Specialties and state licenses
- Urology, MarylandPrimary
- Delaware license
- Minnesota license
Urologists near Dr. Shimko
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
268urologists in Maryland
9urologists in Salisbury
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark S. Shimko billed Medicare for 4,720 services in 2024
CMS data shows 4,720 Medicare services from Dr. Shimko across 37 procedure codes in 2024, for 1,144 Medicare patients. Medicare paid $232,160 for them.
Medicare services, 20244,720
Medicare patients1,144
Paid by Medicare$232,160
Procedure codes37
Dr. Shimko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1442024: 1,93469%
- Drugs given in the office
- 2023: 2622024: 1,403435%
- Surgery
- 2023: 9022024: 80611%
- Imaging
- 2023: 4462024: 4059%
- Lab and pathology
- 2023: 762024: 9728%
- Other services
- 2023: 02024: 46
- Tests and treatments
- 2023: 622024: 2953%
Where Dr. Shimko's Medicare services took place, 2024
- In an office3,97584%
- In a facility74516%
Dr. Shimko compared with the Maryland median for urologists, 2024
- Dr. Shimko
- Maryland median
- Medicare services
- 4,720vs 2,52287% above
- Medicare patients
- 1,144vs 69066% above
- Part D claims
- 2,135vs 6003.6 times
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Shimko'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. Shimko and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Shimko treated 1,144 Medicare patients in 2024, average age 75
CMS counts 1,144 Medicare patients who saw Dr. Shimko in 2024. The largest group is 65 to 74, with 513 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shimko's median patient age at 72, with 18% women.
Medicare patients, 20241,144
Average age75
Average risk score1.21
Also on Medicaid7%
Dr. Shimko's Medicare patients by age, 2024
Dr. Shimko's Medicare patients by sex, 2024
- Women18016%
- Men96484%
Chronic conditions among Dr. Shimko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Cancer43%
- Diabetes37%
- Chronic kidney disease35%
- Ischemic heart disease34%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shimko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women18%
- Men81%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark S. Shimko wrote 2,254 Medicare Part D claims in 2024
In 2024, Dr. Shimko wrote 2,254 Medicare Part D claims for 551 patients. 73% of them were for generic drugs. CMS names the drug for 2,135 of them, across 21 drugs with 11 or more claims each, at $5,215,895 in total drug cost. In 2023, CMS named 1,710 claims across 19 drugs.
Part D claims, 20242,254
Drugs named by CMS21
Total drug cost$5.2M
Part D patients551
Dr. Shimko's Part D claims by kind of drug, 2024
- Generic1,635 claims73%
- Brand-name619 claims27%
Dr. Shimko'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. Shimko's Part D claims, 2024
- Opioids1%28 of 2,254 claims
- Antibiotics14%307 of 2,254 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: 1,7102024: 2,13525%
Drugs named by CMS: 21 in 2024, 19 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. Mark S. Shimko ranks in the 95th percentile for prostate resection in Medicare
Dr. Shimko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 38 procedures of prostate resection by Dr. Shimko, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Shimko ranks in Medicare procedure volume
- Prostate resection
- 95th percentile38 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 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 S. Shimko has 3 publications on record
Dmand AI links 3 papers to Dr. Shimko, published from 2010 to 2012. Dr. Shimko's most frequent co-authors are Eric C. Umbreit, MD, Michael A. Childs, MD and George K. Chow, MD.
Papers3
Years published2010 to 2012
Dr. Shimko's papers by year, 2010 to 2012
Dr. Shimko's most frequent co-authors
- Eric C. Umbreit, MD3 shared papers
- Michael A. Childs, MD1 shared paper
- George K. Chow, MD1 shared paper
Recent publications by Dr. Shimko
See who Dr. Shimko researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shimko works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark S. Shimko received $7,398 in industry payments from 2016 to 2025
CMS Open Payments shows 307 general payments to Dr. Shimko from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Astellas Pharma US Inc paid the most, $954.
General payments to Dr. Shimko by program year, 2016 to 2025
General payments to Dr. Shimko by kind, 2016 to 2025
$7.4Kin total
- Food and beverage$7,12196%
- Education$2774%
Companies that paid Dr. Shimko 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. Mark S. Shimko graduated from University of Maryland School of Medicine
Dr. Shimko graduated from University of Maryland School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Shimko'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Mark S. Shimko
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 S. Shimko's NPI number?
Dr. Mark S. Shimko's NPI number is 1457541278. It was assigned on July 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Shimko?
Dr. Mark S. Shimko is a urologist in Salisbury, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Mark S. Shimko practice?
Dr. Shimko practices at 1342 S Division St, Salisbury, MD 21804. Dr. Shimko's primary practice is Chesapeake Urology Associates LLC in Salisbury, Maryland. Dmand AI also links Dr. Shimko to 4 hospitals, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Mark S. Shimko's office phone number?
The practice phone on file for Dr. Shimko is (410) 546-2133.
What is Dr. Mark S. Shimko's medical license number?
Dr. Shimko holds Maryland license D0073462, one of the licenses on file in 3 states.
Which states has Dr. Mark S. Shimko been licensed in?
Dmand AI has state licenses on file for Dr. Shimko in Maryland, Delaware and Minnesota.
Which hospitals is Dr. Mark S. Shimko affiliated with?
Dr. Shimko is affiliated with TidalHealth Peninsula Regional. Dmand AI links Dr. Shimko to 4 more hospitals.
What medical group is Dr. Mark S. Shimko part of?
Dr. Shimko is linked to Chesapeake Urology Associates. Dmand AI links Dr. Shimko to 1 more medical group.
Does Dr. Mark S. Shimko accept Medicare?
Yes. CMS data shows Dr. Shimko billed Medicare for 4,720 services in 2024, and Dr. Shimko accepts Medicare assignment.
How many Medicare patients does Dr. Mark S. Shimko see?
CMS counts 1,144 Medicare patients who saw Dr. Shimko in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Mark S. Shimko bill to Medicare?
In 2024, Dr. Shimko's most billed Medicare services were injected or infused drug (J9030), office visit, established patient (99214) and care management and other visits (99490).
Where did Dr. Mark S. Shimko go to medical school?
Dr. Shimko graduated from University of Maryland School of Medicine in 2007.
What drugs does Dr. Mark S. Shimko prescribe most?
In 2024 Medicare Part D data, Dr. Shimko's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Orgovyx.
Has Dr. Mark S. Shimko received payments from drug or device companies?
CMS Open Payments shows $7,398 in general payments to Dr. Shimko from 38 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Mark S. Shimko been practicing?
Dr. Shimko graduated from medical school in 2007, 19 years ago.
Does Dr. Mark S. Shimko do research?
Dmand AI links 3 publications to Dr. Shimko, published from 2010 to 2012.
Who does Dr. Mark S. Shimko publish with?
Dr. Shimko's most frequent co-authors are Eric C. Umbreit, MD (3 shared papers), Michael A. Childs, MD (1 shared paper) and George K. Chow, MD (1 shared paper).
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