Dr. Gary J. Kerkvliet, MD
- Medicare services, 2024
- 260
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 1,040
- Hospital affiliations
- 1
- Industry payments
- $21,920
- Practice address
- 301 Saint Paul Place, Baltimore, MD 21202
- Practice phone
- Call (410) 332-9237
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kerkvliet'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. Gary J. Kerkvliet is an internist in Baltimore, Maryland
Dr. Kerkvliet practices at Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.
Dr. Kerkvliet's NPI, 1508804642, was assigned on June 2, 2006. Dr. Kerkvliet graduated from University of Minnesota Medical School in 1990. Dr. Kerkvliet holds Maryland license D45708.
- NPI
- 1508804642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820053929
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 332-9237
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary J. Kerkvliet practices at Mercy Medical Center in Baltimore, Maryland
Dr. Kerkvliet's primary practice is Mercy Medical Center, at 301 Saint Paul Place, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 332-9237.
- Mercy Medical Center301 Saint Paul Place, Baltimore, MD 21202 · Baltimore CityPhone(410) 332-9237
Source: Dmand AI Affiliation Data
Dr. Gary J. Kerkvliet is affiliated with 3 sites of care and 1 medical group
Dr. Kerkvliet's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. The medical group on file is Dr. Jeffrey D. Gaber & Associates, PA. Dmand AI also links Dr. Kerkvliet to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary J. Kerkvliet's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kerkvliet practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gary J. Kerkvliet is one of 3,320 internists in Maryland
Internal medicine is Dr. Kerkvliet's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kerkvliet is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Kerkvliet
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. Gary J. Kerkvliet billed Medicare for 260 services in 2024
CMS data shows 260 Medicare services from Dr. Kerkvliet across 8 procedure codes in 2024, for 156 Medicare patients. Medicare paid $16,065 for them. Every service was in an office.
Dr. Kerkvliet's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1322024: 1352%
- Tests and treatments
- 2023: 02024: 80
- Other services
- 2023: 02024: 45
Dr. Kerkvliet compared with the Maryland median for internists, 2024
- Dr. Kerkvliet
- Maryland median
- Medicare services
- 260vs 65660% below
- Medicare patients
- 156vs 25138% below
- Part D claims
- 523vs 30969% above
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Kerkvliet'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. Kerkvliet and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary J. Kerkvliet treated 156 Medicare patients in 2024, average age 76
CMS counts 156 Medicare patients who saw Dr. Kerkvliet in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kerkvliet's median patient age at 62, with 38% women.
Dr. Kerkvliet's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kerkvliet's Medicare patients by sex, 2024
- Women8353%
- Men7347%
Chronic conditions among Dr. Kerkvliet's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis54%
- Diabetes28%
- Anxiety25%
- Ischemic heart disease24%
- Mood disorders24%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kerkvliet's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary J. Kerkvliet wrote 1,040 Medicare Part D claims in 2024
In 2024, Dr. Kerkvliet wrote 1,040 Medicare Part D claims for 233 patients. 85% of them were for generic drugs. CMS names the drug for 523 of them, across 27 drugs with 11 or more claims each, at $35,449 in total drug cost. In 2023, CMS named 2,335 claims across 82 drugs.
Dr. Kerkvliet's Part D claims by kind of drug, 2024
- Generic889 claims85%
- Brand-name136 claims13%
- Other15 claims1%
Dr. Kerkvliet'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. Kerkvliet's Part D claims, 2024
- Antibiotics8%88 of 1,040 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: 2,3352024: 52378%
Drugs named by CMS: 27 in 2024, 82 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. Gary J. Kerkvliet offers telehealth to Medicare patients
Dr. Kerkvliet accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kerkvliet as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gary J. Kerkvliet received $21,920 in industry payments from 2016 to 2025
CMS Open Payments shows 369 general payments to Dr. Kerkvliet from 25 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Pfizer Inc. paid the most, $17,016.
General payments to Dr. Kerkvliet by program year, 2016 to 2025
General payments to Dr. Kerkvliet by kind, 2016 to 2025
- Speaker and faculty fees$10,45048%
- Food and beverage$5,87027%
- Consulting fees$4,70021%
- Travel and lodging$8324%
- Education$690%
Companies that paid Dr. Kerkvliet 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. Gary J. Kerkvliet graduated from University of Minnesota Medical School
Dr. Kerkvliet graduated from University of Minnesota Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary J. Kerkvliet'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) |
| 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. Gary J. Kerkvliet
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. Gary J. Kerkvliet's NPI number?
Dr. Gary J. Kerkvliet's NPI number is 1508804642. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary J. Kerkvliet?
Dr. Gary J. Kerkvliet is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gary J. Kerkvliet practice?
Dr. Kerkvliet practices at 301 Saint Paul Place, Baltimore, MD 21202. Dr. Kerkvliet's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. Dmand AI also links Dr. Kerkvliet to 1 group practice or clinic and 1 home health agency.
What is Dr. Gary J. Kerkvliet's office phone number?
The practice phone on file for Dr. Kerkvliet is (410) 332-9237.
What is Dr. Gary J. Kerkvliet's medical license number?
Dr. Kerkvliet holds Maryland license D45708.
Which hospitals is Dr. Gary J. Kerkvliet affiliated with?
Dr. Kerkvliet practices at Mercy Medical Center in Baltimore, Maryland.
What medical group is Dr. Gary J. Kerkvliet part of?
Dr. Kerkvliet is linked to Dr. Jeffrey D. Gaber & Associates, PA.
Does Dr. Gary J. Kerkvliet accept Medicare?
Yes. CMS data shows Dr. Kerkvliet billed Medicare for 260 services in 2024, and Dr. Kerkvliet accepts Medicare assignment.
Does Dr. Gary J. Kerkvliet offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kerkvliet as offering telehealth services.
How many Medicare patients does Dr. Gary J. Kerkvliet see?
CMS counts 156 Medicare patients who saw Dr. Kerkvliet in 2024, with an average age of 76.
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What services does Dr. Gary J. Kerkvliet bill to Medicare?
In 2024, Dr. Kerkvliet's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and vaccine or vaccine administration (90662).
Where did Dr. Gary J. Kerkvliet go to medical school?
Dr. Kerkvliet graduated from University of Minnesota Medical School in 1990.
What drugs does Dr. Gary J. Kerkvliet prescribe most?
In 2024 Medicare Part D data, Dr. Kerkvliet's most prescribed drugs by claims were Atorvastatin Calcium, Alprazolam and Amlodipine Besylate.
Has Dr. Gary J. Kerkvliet received payments from drug or device companies?
CMS Open Payments shows $21,920 in general payments to Dr. Kerkvliet from 25 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Gary J. Kerkvliet been practicing?
Dr. Kerkvliet graduated from medical school in 1990, 36 years ago.
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