Mark Kaplan, DO
Emergency Medicine Physician · Ellsworth, ME
Mark Kaplan, DO is an emergency medicine physician with a practice address in Ellsworth, Maine, and NPI 1861498461, issued on Jun 28, 2005. Check the license (Maine 907, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Kaplan
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 907 ME
Self-reported in NPPES; status is on the state search - Practice location
- 58 Laurel St, Ellsworth, ME 04605
- Phone
- (207) 659-5546
- Enumerated
- Jun 28, 2005
- Record last updated
- Sep 11, 2025
- Fax
- (207) 573-1609
- Medicare enrollment
- Enrolled (PECOS I20041216000668); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Verify Mark Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,312 Medicare Part D claims for 119 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium61 claims
- Lisinopril56 claims
- Metformin Hcl51 claims
- Amlodipine Besylate50 claims
- Buprenorphine-Naloxone49 claims
- Hydrochlorothiazide39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.45
1 payment: food and beverage; the largest payer was Sanofi Pasteur Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- East Grand Health Center IncDanforth, ME
- St Croix Regional Family Health CenterPrinceton, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Kaplan among 466 emergency medicine physician records in Maine
Mark Kaplan, DO is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1972 · median 2011 among the 293 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Ellsworth
They are 6 of the 453 NPPES records with a practice address in Ellsworth, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Ellsworth → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kenneth Christian, MDEllsworth, ME 046051194772970
- Edwin Layng, M.D.Ellsworth, ME 046051255714622
- Emily Seltzer, MDEllsworth, ME 046051144800806
- Anthony ShabroEllsworth, ME 046051467956250
- Tess WiskelEllsworth, ME 046051164834800
- Joseph Nabozny, MDGouldsboro, ME 046071023051430
- Samuel Caire, MDBar Harbor, ME 046091538208400
- Tung Nguyen, DOBar Harbor, ME 046091073833521
Common questions
What is Mark Kaplan, DO's NPI number?
Mark Kaplan, DO's National Provider Identifier (NPI) is 1861498461, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kaplan, DO located?
The NPPES record lists a practice address at 58 Laurel St, Ellsworth, ME, 04605. Phone: (207) 659-5546. Providers update this record themselves, so call before visiting.
How can I verify Mark Kaplan, DO's license?
NPPES lists Maine license number 907, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Kaplan, DO prescribe under Medicare Part D?
In 2024, Mark Kaplan, DO had 1,312 Medicare Part D claims for 119 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.