Dr. Michael Gregor Kaplan, MD
- Medicare services, 2024
- 973
- Medicare patients, 2024
- 535
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- Industry payments
- $2,300
- Practice address
- 4802 Tenth Avenue, Brooklyn, NY 11219
- Practice phone
- Call (718) 283-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kaplan's professional email, personal email and mobile number
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Dr. Michael Gregor Kaplan is an internist in Brooklyn, New York
Dr. Kaplan practices at Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center.
Dr. Kaplan's NPI, 1700963998, was assigned on November 1, 2006. Dr. Kaplan holds New York license 207844.
- NPI
- 1700963998NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163548371
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 283-6000
- 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. Michael Gregor Kaplan practices at Maimonides Medical Center in Brooklyn, New York
Dr. Kaplan's primary practice is Maimonides Medical Center, at 4802 Tenth Avenue, Brooklyn, NY 11219 in Kings County. The practice phone is (718) 283-6000.
- Maimonides Medical Center4802 Tenth Avenue, Brooklyn, NY 11219 · Kings CountyPhone(718) 283-6000
Source: Dmand AI Affiliation Data
Dr. Michael Gregor Kaplan is affiliated with 3 sites of care and 2 medical groups
Dr. Kaplan's primary practice is Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center. The medical group on file is Maimonides Medical Center. Dmand AI also links Dr. Kaplan to 1 more home health agency, 1 hospice and 1 medical group, 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. Michael Gregor Kaplan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaplan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maimonides Medical Center | Available with a free account |
| +2 more sites and 1 medical group | 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 Maimonides Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Gregor Kaplan is one of 9,643 internists in New York
Internal medicine is Dr. Kaplan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kaplan is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Kaplan
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. Michael Gregor Kaplan billed Medicare for 973 services in 2024
CMS data shows 973 Medicare services from Dr. Kaplan across 7 procedure codes in 2024, for 535 Medicare patients. Medicare paid $83,042 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kaplan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7602024: 97328%
Dr. Kaplan compared with the New York median for internists, 2024
- Dr. Kaplan
- New York median
- Medicare services
- 973vs 4262.3 times
- Medicare patients
- 535vs 1583.4 times
- Part D claims
- 12vs 62298% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Kaplan'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.
Need commercial claims for Dr. Kaplan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kaplan and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Gregor Kaplan treated 535 Medicare patients in 2024, average age 78
CMS counts 535 Medicare patients who saw Dr. Kaplan in 2024. The largest group is 85 and over, with 179 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 3.33, 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. Kaplan's median patient age at 76, with 51% women.
Dr. Kaplan's Medicare patients by age, 2024
Dr. Kaplan's Medicare patients by sex, 2024
- Women27752%
- Men25848%
Chronic conditions among Dr. Kaplan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes71%
- Arthritis66%
- Ischemic heart disease62%
- Heart failure56%
- Stroke or TIA56%
- Chronic kidney disease51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kaplan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women51%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Gregor Kaplan wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Kaplan wrote 32 Medicare Part D claims. 69% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $429 in total drug cost.
Dr. Kaplan's Part D claims by kind of drug, 2024
- Generic22 claims69%
- Brand-name and other10 claims31%
Dr. Kaplan's most prescribed drugs by claims, 2021
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. Kaplan's Part D claims, 2024
- Antibiotics47%15 of 32 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Michael Gregor Kaplan takes part in Medicare
Dr. Kaplan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael Gregor Kaplan received $2,300 in industry payments from 2021 to 2025
CMS Open Payments shows 8 general payments to Dr. Kaplan from 7 drug and device companies from 2021 to 2025. Consulting fees make up the largest share, 93% of the total. Sobi, Inc paid the most, $2,140.
General payments to Dr. Kaplan by program year, 2021 to 2025
General payments to Dr. Kaplan by kind, 2021 to 2025
- Consulting fees$2,14093%
- Food and beverage$1607%
Companies that paid Dr. Kaplan the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Gregor Kaplan'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) |
| 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 Gregor Kaplan
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 Gregor Kaplan's NPI number?
Dr. Michael Gregor Kaplan's NPI number is 1700963998. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Gregor Kaplan?
Dr. Michael Gregor Kaplan is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Gregor Kaplan practice?
Dr. Kaplan practices at 4802 Tenth Avenue, Brooklyn, NY 11219. Dr. Kaplan's primary practice is Maimonides Medical Center in Brooklyn, New York, part of Maimonides Medical Center. Dmand AI also links Dr. Kaplan to 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Michael Gregor Kaplan's office phone number?
The practice phone on file for Dr. Kaplan is (718) 283-6000.
What is Dr. Michael Gregor Kaplan's medical license number?
Dr. Kaplan holds New York license 207844.
Which hospitals is Dr. Michael Gregor Kaplan affiliated with?
Dr. Kaplan practices at Maimonides Medical Center in Brooklyn, New York.
What medical group is Dr. Michael Gregor Kaplan part of?
Dr. Kaplan is linked to Maimonides Medical Center. Dmand AI links Dr. Kaplan to 1 more medical group.
Does Dr. Michael Gregor Kaplan accept Medicare?
Yes. CMS data shows Dr. Kaplan billed Medicare for 973 services in 2024, and Dr. Kaplan accepts Medicare assignment.
How many Medicare patients does Dr. Michael Gregor Kaplan see?
CMS counts 535 Medicare patients who saw Dr. Kaplan in 2024, with an average age of 78.
What services does Dr. Michael Gregor Kaplan bill to Medicare?
In 2024, Dr. Kaplan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99238).
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What drugs does Dr. Michael Gregor Kaplan prescribe most?
In 2021 Medicare Part D data, Dr. Kaplan's most prescribed drugs by claims were Ceftriaxone.
Has Dr. Michael Gregor Kaplan received payments from drug or device companies?
CMS Open Payments shows $2,300 in general payments to Dr. Kaplan from 7 companies from 2021 to 2025. The largest total came from Sobi, Inc.
How long has Dr. Michael Gregor Kaplan been practicing?
Dr. Kaplan graduated from medical school in 1996, 30 years ago.
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