Dr. John A. Gillespie, MD
- Medicare services, 2024
- 749
- Medicare patients, 2024
- 349
- Part D claims, 2024
- 270
- Publications
- 8
- MIPS score, 2024
- 82
- Practice address
- 9733 Healthway Drive, Berlin, MD 21811
- Practice phone
- Call (410) 641-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. John A. Gillespie is a family medicine physician in Berlin, Maryland
Dr. Gillespie practices at TidalHealth Atlantic in Berlin, Maryland, part of TidalHealth Peninsula Regional.
Dr. Gillespie's NPI, 1013998202, was assigned on November 7, 2005. Dr. Gillespie graduated from University of Pittsburgh School of Medicine in 1996. Dr. Gillespie holds Maryland license D0063904.
- NPI
- 1013998202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941249650
- NPI enumeration date
- November 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 641-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Gillespie practices at TidalHealth Atlantic in Berlin, Maryland
Dr. Gillespie's primary practice is TidalHealth Atlantic, at 9733 Healthway Drive, Berlin, MD 21811 in Worcester County. The practice phone is (410) 641-1100.
- TidalHealth Atlantic9733 Healthway Drive, Berlin, MD 21811 · Worcester CountyPhone(410) 641-1100
Source: Dmand AI Affiliation Data
Dr. John A. Gillespie is affiliated with 2 sites of care and 2 medical groups
Dr. Gillespie's primary practice is TidalHealth Atlantic in Berlin, Maryland, part of TidalHealth Peninsula Regional. Dr. Gillespie is also affiliated with TidalHealth Peninsula Regional. The medical group on file is TidalHealth Cardiovascular Surgery. Dmand AI also links Dr. Gillespie to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Gillespie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillespie practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TidalHealth Atlantic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Gillespie is one of 1,698 family medicine physicians in Maryland
Family medicine is Dr. Gillespie's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Gillespie is licensed in Maryland.
Specialties and state licenses
- Family medicine, MarylandPrimary
Family medicine physicians near Dr. Gillespie
Counts of family medicine physicians 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. John A. Gillespie billed Medicare for 749 services in 2024
CMS data shows 749 Medicare services from Dr. Gillespie across 7 procedure codes in 2024, for 349 Medicare patients. Medicare paid $58,522 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gillespie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3032024: 74943%
Dr. Gillespie compared with the Maryland median for family medicine physicians, 2024
- Dr. Gillespie
- Maryland median
- Medicare services
- 749vs 51645% above
- Medicare patients
- 349vs 20868% above
- Part D claims
- 93vs 75188% below
Medians across 1,659 family medicine physicians 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Gillespie treated 349 Medicare patients in 2024, average age 78
CMS counts 349 Medicare patients who saw Dr. Gillespie in 2024. The largest group is 75 to 84, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.15, 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 71, with 49% women.
Dr. Gillespie's Medicare patients by age, 2024
Dr. Gillespie's Medicare patients by sex, 2024
- Women18854%
- Men16146%
Chronic conditions among Dr. Gillespie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Ischemic heart disease48%
- Anxiety44%
- Chronic kidney disease44%
- Heart failure44%
- Diabetes43%
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 71
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John A. Gillespie wrote 270 Medicare Part D claims in 2024
In 2024, Dr. Gillespie wrote 270 Medicare Part D claims for 90 patients. 86% of them were for generic drugs. CMS names the drug for 93 of them, across 5 drugs with 11 or more claims each, at $376 in total drug cost. In 2023, CMS named 81 claims across 6 drugs.
Dr. Gillespie's Part D claims by kind of drug, 2024
- Generic231 claims86%
- Brand-name and other39 claims14%
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
- Opioids7%20 of 270 claims
- Antibiotics17%47 of 270 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: 812024: 9315%
Drugs named by CMS: 5 in 2024, 6 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. John A. 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
- 70.9of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John A. Gillespie has 8 publications on record
Dmand AI links 8 papers to Dr. Gillespie, published from 2010 to 2025. 2021 was the busiest year, with 2. The most frequent topics are Administration, Oral, Anticoagulants and Atrial Fibrillation. Dr. Gillespie's most frequent co-authors are Geoffrey Douglas Barnes, MD, Monty Max Bodenheimer, MD and Edward Dwyer, MD.
Dr. Gillespie's papers by year, 2010 to 2025
Topics Dr. Gillespie writes about most
- Administration, Oral
- Anticoagulants
- Atrial Fibrillation
- Stroke
Dr. Gillespie's most frequent co-authors
- Geoffrey Douglas Barnes, MD2 shared papers
- Monty Max Bodenheimer, MD2 shared papers
- Edward Dwyer, MD2 shared papers
Recent publications by Dr. Gillespie
Am J Cardiol
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John A. Gillespie received $620 in industry payments from 2016 to 2022
CMS Open Payments shows 28 general payments to Dr. Gillespie from 7 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $158.
General payments to Dr. Gillespie by program year, 2016 to 2022
Companies that paid Dr. Gillespie the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John A. Gillespie graduated from University of Pittsburgh School of Medicine
Dr. Gillespie graduated from University of Pittsburgh School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. 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) |
| 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. John A. 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. John A. Gillespie's NPI number?
Dr. John A. Gillespie's NPI number is 1013998202. It was assigned on November 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Gillespie?
Dr. John A. Gillespie is a family medicine physician in Berlin, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John A. Gillespie practice?
Dr. Gillespie practices at 9733 Healthway Drive, Berlin, MD 21811. Dr. Gillespie's primary practice is TidalHealth Atlantic in Berlin, Maryland, part of TidalHealth Peninsula Regional. Dmand AI also links Dr. Gillespie to 1 medical group.
What is Dr. John A. Gillespie's office phone number?
The practice phone on file for Dr. Gillespie is (410) 641-1100.
What is Dr. John A. Gillespie's medical license number?
Dr. Gillespie holds Maryland license D0063904.
Which hospitals is Dr. John A. Gillespie affiliated with?
Dr. Gillespie practices at TidalHealth Atlantic in Berlin, Maryland. Dr. Gillespie is also affiliated with TidalHealth Peninsula Regional.
What medical group is Dr. John A. Gillespie part of?
Dr. Gillespie is linked to TidalHealth Cardiovascular Surgery. Dmand AI links Dr. Gillespie to 1 more medical group.
Does Dr. John A. Gillespie accept Medicare?
Yes. CMS data shows Dr. Gillespie billed Medicare for 749 services in 2024, and Dr. Gillespie accepts Medicare assignment.
What is Dr. John A. 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.
How many Medicare patients does Dr. John A. Gillespie see?
CMS counts 349 Medicare patients who saw Dr. Gillespie in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
What services does Dr. John A. Gillespie bill to Medicare?
In 2024, Dr. Gillespie's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
Where did Dr. John A. Gillespie go to medical school?
Dr. Gillespie graduated from University of Pittsburgh School of Medicine in 1996.
What drugs does Dr. John A. Gillespie prescribe most?
In 2024 Medicare Part D data, Dr. Gillespie's most prescribed drugs by claims were Furosemide, Prednisone and Metoprolol Tartrate.
Has Dr. John A. Gillespie received payments from drug or device companies?
CMS Open Payments shows $620 in general payments to Dr. Gillespie from 7 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. John A. Gillespie been practicing?
Dr. Gillespie graduated from medical school in 1996, 30 years ago.
Does Dr. John A. Gillespie do research?
Dmand AI links 8 publications to Dr. Gillespie, published from 2010 to 2025.
Who does Dr. John A. Gillespie publish with?
Dr. Gillespie's most frequent co-authors are Geoffrey Douglas Barnes, MD (2 shared papers), Monty Max Bodenheimer, MD (2 shared papers) and Edward Dwyer, MD (2 shared papers).
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