J Exp Clin Cancer Res
Cell Line, TumorColorectal NeoplasmsHypoxia
Dr. Michael Gillespie, MD
NPI1043426505PAC ID5597944355
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 167
- Part D claims, 2024
- 88
- Publications
- 5
- MIPS score, 2024
- 82
- Practice address
- 13950 Brandywine Road, Brandywine, MD 20613
- Practice phone
- Call (301) 782-2303
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MedStar Surgery Center at Brandywine
Surgery Center - Medicare-Certified · Brandywine, Maryland
Find Dr. Gillespie'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. Michael Gillespie is a general surgeon in Brandywine, Maryland
Dr. Gillespie practices at MedStar Surgery Center at Brandywine in Brandywine, Maryland.
Dr. Gillespie's NPI, 1043426505, was assigned on May 14, 2007. Dr. Gillespie graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2004. Dr. Gillespie holds Maryland license D0071185.
NPI and contact details
- NPI
- 1043426505NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597944355
- NPI enumeration date
- May 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 782-2303
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Gillespie practices at MedStar Surgery Center at Brandywine in Brandywine, Maryland
Dr. Gillespie's primary practice is MedStar Surgery Center at Brandywine, at 13950 Brandywine Road, Brandywine, MD 20613. The practice phone is (301) 782-2303.
- MedStar Surgery Center at Brandywine13950 Brandywine Road, Brandywine, MD 20613Phone(301) 782-2303
Source: Dmand AI Affiliation Data
Dr. Michael Gillespie is affiliated with 5 sites of care and 1 medical group
Dr. Gillespie's primary practice is MedStar Surgery Center at Brandywine in Brandywine, Maryland. Dr. Gillespie is also affiliated with MedStar Georgetown University Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Gillespie to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
MedStar Surgery Center at BrandywinePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Gillespie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillespie practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Surgery Center at Brandywine | 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. Michael Gillespie is one of 532 general surgeons in Maryland
Surgery is Dr. Gillespie's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Gillespie's licenses on file in 2 states: Maryland and Pennsylvania.
Specialties and state licenses
- Surgery, MarylandPrimary
- Pennsylvania license
General surgeons near Dr. Gillespie
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
532general surgeons in Maryland
2general surgeons in Brandywine
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Gillespie billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Gillespie across 6 procedure codes in 2024, for 167 Medicare patients. Medicare paid $14,131 for them.
Medicare services, 2024150
Medicare patients167
Paid by Medicare$14,131
Procedure codes6
Dr. Gillespie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2122024: 15029%
- Surgery
- 2023: 122024: 0100%
Where Dr. Gillespie's Medicare services took place, 2024
- In an office11677%
- In a facility3423%
Dr. Gillespie compared with the Maryland median for general surgeons, 2024
- Dr. Gillespie
- Maryland median
- Medicare services
- 150vs 23035% below
- Medicare patients
- 167vs 162Close to median
- Part D claims
- 47vs 2681% above
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Gillespie'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. Gillespie and other general surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Gillespie treated 167 Medicare patients in 2024, average age 74
CMS counts 167 Medicare patients who saw Dr. Gillespie in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.55, 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. Gillespie's median patient age at 61, with 49% women.
Medicare patients, 2024167
Average age74
Average risk score1.55
Also on Medicaid14%
Dr. Gillespie's Medicare patients by age, 2024
Dr. Gillespie's Medicare patients by sex, 2024
- Women8350%
- Men8450%
Chronic conditions among Dr. Gillespie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Arthritis44%
- Chronic kidney disease39%
- Ischemic heart disease29%
- Cancer26%
- Heart failure22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gillespie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Gillespie wrote 88 Medicare Part D claims in 2024
In 2024, Dr. Gillespie wrote 88 Medicare Part D claims for 46 patients. 99% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $199 in total drug cost. In 2022, CMS named 24 claims across 2 drugs.
Part D claims, 202488
Drugs named by CMS3
Total drug cost$199
Part D patients46
Dr. Gillespie's Part D claims by kind of drug, 2024
- Generic87 claims99%
- Brand-name and other1 claims1%
Dr. Gillespie'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. Gillespie's Part D claims, 2024
- Opioids38%33 of 88 claims
- Antibiotics20%18 of 88 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 242024: 4796%
Drugs named by CMS: 3 in 2024, 2 in 2022.
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. Michael Gillespie scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Gillespie for performance year 2024, reported as part of a group. Dr. Gillespie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gillespie's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
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); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Gillespie has 5 publications on record
Dmand AI links 5 papers to Dr. Gillespie, published from 2021 to 2024. 2023 was the busiest year, with 2. The most frequent topics are Colorectal Neoplasms. Dr. Gillespie's most frequent co-author is Donald Charles McMillan, DO.
Papers5
Years published2021 to 2024
Dr. Gillespie's papers by year, 2021 to 2024
Topics Dr. Gillespie writes about most
- Colorectal Neoplasms
Dr. Gillespie's most frequent co-authors
Recent publications by Dr. Gillespie
AdenosylhomocysteinaseColorectal NeoplasmsMetabolomics
Biomarkers, TumorColonic NeoplasmsStromal Cells
See who Dr. Gillespie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gillespie works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Gillespie received $1,493 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Gillespie from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novadaq Technologies Inc. paid the most, $593.
General payments to Dr. Gillespie by program year, 2016 to 2025
Companies that paid Dr. Gillespie 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. Michael Gillespie graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Dr. Gillespie graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Gillespie'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)Clinician Public Reporting: Overall MIPS Performance (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. Michael Gillespie
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. Michael Gillespie's NPI number?
Dr. Michael Gillespie's NPI number is 1043426505. It was assigned on May 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Gillespie?
Dr. Michael Gillespie is a general surgeon in Brandywine, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Gillespie practice?
Dr. Gillespie practices at 13950 Brandywine Road, Brandywine, MD 20613. Dr. Gillespie's primary practice is MedStar Surgery Center at Brandywine in Brandywine, Maryland. Dmand AI also links Dr. Gillespie to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Michael Gillespie's office phone number?
The practice phone on file for Dr. Gillespie is (301) 782-2303.
What is Dr. Michael Gillespie's medical license number?
Dr. Gillespie holds Maryland license D0071185, one of the licenses on file in 2 states.
Which states has Dr. Michael Gillespie been licensed in?
Dmand AI has state licenses on file for Dr. Gillespie in Maryland and Pennsylvania.
Which hospitals is Dr. Michael Gillespie affiliated with?
Dr. Gillespie is affiliated with MedStar Georgetown University Hospital. Dmand AI links Dr. Gillespie to 1 more hospital.
What medical group is Dr. Michael Gillespie part of?
Dr. Gillespie is linked to MedStar Medical Group.
Does Dr. Michael Gillespie accept Medicare?
Yes. CMS data shows Dr. Gillespie billed Medicare for 150 services in 2024, and Dr. Gillespie accepts Medicare assignment.
What is Dr. Michael Gillespie's MIPS score?
Dr. Gillespie's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Gillespie see?
CMS counts 167 Medicare patients who saw Dr. Gillespie in 2024, with an average age of 74.
What services does Dr. Michael Gillespie bill to Medicare?
In 2024, Dr. Gillespie's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Michael Gillespie go to medical school?
Dr. Gillespie graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2004.
What drugs does Dr. Michael Gillespie prescribe most?
In 2024 Medicare Part D data, Dr. Gillespie's most prescribed drugs by claims were Ibuprofen, Oxycodone-Acetaminophen and Oxycodone HCl.
Has Dr. Michael Gillespie received payments from drug or device companies?
CMS Open Payments shows $1,493 in general payments to Dr. Gillespie from 17 companies from 2016 to 2025. The largest total came from Novadaq Technologies Inc.
How long has Dr. Michael Gillespie been practicing?
Dr. Gillespie graduated from medical school in 2004, 22 years ago.
Does Dr. Michael Gillespie do research?
Dmand AI links 5 publications to Dr. Gillespie, published from 2021 to 2024.
Who does Dr. Michael Gillespie publish with?
Dr. Gillespie's most frequent co-authors are Donald Charles McMillan, DO (1 shared paper).
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