Dr. Frederick David Kaplan, MD
- Medicare services, 2024
- 11,701
- Medicare patients, 2024
- 1,178
- Part D claims, 2024
- 8,149
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 1 Heros Way, Riverhead, NY 11901
- Practice phone
- Call (631) 548-6000
- 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. Frederick David Kaplan is an internist in Riverhead, New York
Dr. Kaplan practices at Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health.
Dr. Kaplan's NPI, 1447295571, was assigned on June 20, 2006. Dr. Kaplan graduated from Weill Cornell Medicine in 1980. Dr. Kaplan holds New York license 153296.
- NPI
- 1447295571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345376141
- NPI enumeration date
- June 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 548-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frederick David Kaplan practices at 2 locations in Riverhead, New York
Dr. Kaplan's primary practice is Peconic Bay Medical Center, at 1 Heros Way, Riverhead, NY 11901 in Suffolk County. The practice phone is (631) 548-6000. Dr. Kaplan also practices at Peconic Bay Medical Center, 1300 Roanoke Ave, Riverhead, NY 11901.
- Peconic Bay Medical CenterPrimary1 Heros Way, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
- Peconic Bay Medical Center1300 Roanoke Ave, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Frederick David Kaplan is affiliated with 7 sites of care and 1 medical group
Dr. Kaplan's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dr. Kaplan is also affiliated with North Shore University Hospital. The medical group on file is First Step Physical Therapy. Dmand AI also links Dr. Kaplan to 5 more home health agencies, 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. Frederick David Kaplan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaplan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peconic Bay Medical Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Frederick David 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. Frederick David Kaplan billed Medicare for 11,701 services in 2024
CMS data shows 11,701 Medicare services from Dr. Kaplan across 23 procedure codes in 2024, for 1,178 Medicare patients. Medicare paid $544,587 for them. Every service was in an office.
Dr. Kaplan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5,0192024: 5,0501%
- Tests and treatments
- 2023: 2,8782024: 3,1329%
- Other services
- 2023: 1,1462024: 1,28412%
- Surgery
- 2023: 9992024: 1,0778%
- Imaging
- 2023: 7812024: 8053%
- Lab and pathology
- 2023: 6272024: 35344%
Dr. Kaplan compared with the New York median for internists, 2024
- Dr. Kaplan
- New York median
- Medicare services
- 11,701vs 42627.5 times
- Medicare patients
- 1,178vs 1587.5 times
- Part D claims
- 7,479vs 62212.0 times
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. Frederick David Kaplan treated 1,178 Medicare patients in 2024, average age 77
CMS counts 1,178 Medicare patients who saw Dr. Kaplan in 2024. The largest group is 75 to 84, with 458 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kaplan's median patient age at 61, with 42% women.
Dr. Kaplan's Medicare patients by age, 2024
Dr. Kaplan's Medicare patients by sex, 2024
- Women64355%
- Men53545%
Chronic conditions among Dr. Kaplan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Ischemic heart disease58%
- Arthritis45%
- Diabetes42%
- Cancer18%
- Atrial fibrillation17%
- Mood disorders16%
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 61
Patient panel by sex, all payers
- Women42%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frederick David Kaplan wrote 8,149 Medicare Part D claims in 2024
In 2024, Dr. Kaplan wrote 8,149 Medicare Part D claims for 943 patients. 93% of them were for generic drugs. CMS names the drug for 7,479 of them, across 110 drugs with 11 or more claims each, at $203,349 in total drug cost. In 2023, CMS named 7,095 claims across 110 drugs.
Dr. Kaplan's Part D claims by kind of drug, 2024
- Generic7,560 claims93%
- Brand-name570 claims7%
- Other19 claims0%
Dr. Kaplan'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. Kaplan's Part D claims, 2024
- Opioids0%17 of 8,149 claims
- Antibiotics7%572 of 8,149 claims
- Antipsychotics, patients 65 and over0%33 of 8,149 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: 7,0952024: 7,4795%
Drugs named by CMS: 110 in 2024, 110 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. Frederick David Kaplan scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Kaplan for performance year 2024, reported as part of a group. Dr. Kaplan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kaplan's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
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. Frederick David Kaplan received $346 in industry payments from 2016 to 2025
CMS Open Payments shows 22 general payments to Dr. Kaplan from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $102.
General payments to Dr. Kaplan by program year, 2016 to 2025
Companies that paid Dr. Kaplan 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. Frederick David Kaplan graduated from Weill Cornell Medicine
Dr. Kaplan graduated from Weill Cornell Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Frederick David 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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. Frederick David 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. Frederick David Kaplan's NPI number?
Dr. Frederick David Kaplan's NPI number is 1447295571. It was assigned on June 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Frederick David Kaplan?
Dr. Frederick David Kaplan is an internist in Riverhead, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Frederick David Kaplan practice?
Dr. Kaplan practices at 1 Heros Way, Riverhead, NY 11901. Dr. Kaplan also practices at 1300 Roanoke Ave, Riverhead, NY 11901. Dr. Kaplan's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dmand AI also links Dr. Kaplan to 5 home health agencies.
What is Dr. Frederick David Kaplan's office phone number?
The practice phone on file for Dr. Kaplan is (631) 548-6000.
What is Dr. Frederick David Kaplan's medical license number?
Dr. Kaplan holds New York license 153296.
Which hospitals is Dr. Frederick David Kaplan affiliated with?
Dr. Kaplan practices at Peconic Bay Medical Center in Riverhead, New York. Dr. Kaplan is also affiliated with North Shore University Hospital.
What medical group is Dr. Frederick David Kaplan part of?
Dr. Kaplan is linked to First Step Physical Therapy.
Does Dr. Frederick David Kaplan accept Medicare?
Yes. CMS data shows Dr. Kaplan billed Medicare for 11,701 services in 2024, and Dr. Kaplan accepts Medicare assignment.
What is Dr. Frederick David Kaplan's MIPS score?
Dr. Kaplan's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Frederick David Kaplan see?
CMS counts 1,178 Medicare patients who saw Dr. Kaplan in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Frederick David Kaplan bill to Medicare?
In 2024, Dr. Kaplan's most billed Medicare services were office visit, established patient (99212), surgery: heart and blood vessels (36415) and care management and other visits (99497).
Where did Dr. Frederick David Kaplan go to medical school?
Dr. Kaplan graduated from Weill Cornell Medicine in 1980.
What drugs does Dr. Frederick David Kaplan prescribe most?
In 2024 Medicare Part D data, Dr. Kaplan's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Frederick David Kaplan received payments from drug or device companies?
CMS Open Payments shows $346 in general payments to Dr. Kaplan from 9 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Frederick David Kaplan been practicing?
Dr. Kaplan graduated from medical school in 1980, 46 years ago.
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