NPPES file of Aug 9, 2026

Mark Jeffrey Klafter, D.O.

Neurology Physician · Orlando, FL

Mark Jeffrey Klafter, D.O. is a neurology physician with a practice address in Orlando, Florida, and NPI 1730161639, issued on Nov 16, 2005. Check the license (Florida OS6959, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730161639
Name
Mark Jeffrey Klafter
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License number
OS6959 FL
Self-reported in NPPES; status is on the state search
Practice location
3849 Oakwater Cir, Orlando, FL 32806
Phone
(407) 240-1762
Enumerated
Nov 16, 2005
Record last updated
Oct 28, 2025
Fax
(407) 812-5869
Medicaid ID
377881900 FL
Medicare enrollment
Enrolled (PECOS I20100719000773); accepts Medicare assignment
Medical or professional school
Chicago College Of Osteopathy, 1990
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest neurology physician records → All 1,530 in Florida → Look up another NPI →

Also registered at 3849 Oakwater Cir

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Beatriz Carmona Toro, ARNPFamily Nurse Practitioner1437452885
  2. Ashna Dayal, PA-CPhysician Assistant1972387819
  3. Courtney Delacruz, APRNFamily Nurse Practitioner1588278899
  4. Constance Easterling, ARNPAdult Health Nurse Practitioner1669659306
  5. Justin Lindquist, M.D.Neurology Physician1457411944
  6. Brittany Reynolds, ARNPAdult Health Nurse Practitioner1528581717

Verify Mark Jeffrey Klafter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS6959    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

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26% more Medicare Part D claims than the average neurology physician in 2024

1,726 Medicare Part D claims for 282 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Mark Klafter1,726
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa363 claims
  2. Pramipexole Dihydrochloride191 claims
  3. Donepezil Hcl99 claims
  4. Nuplazid77 claims
  5. Primidone61 claims
  6. Rasagiline Mesylate53 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: $36,487.37

257 payments; by number, the most common kind was food and beverage; the largest payer was Acadia Pharmaceuticals Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Klafter$36,487
  2. Specialty average$8,318

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Ability Health Services And Rehabilitation LPSanford, FL
  2. Ability Health Services, IncSanford, FL
  3. Neurological Services OF Orlando PAOrlando, FL
  4. Orlando Health Medical Group IncOrlando, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Jeffrey Klafter among 1,530 neurology physician records in Florida

Mark Jeffrey Klafter, D.O. is one of 1,530 neurology physician records with a practice address in Florida. 88% 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, 89% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1990 · median 2005 among the 1,149 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Florida

There are 1,530 neurology physician records in Florida.

All 1,530 in Florida → Every provider in Orlando → Neurology Physician nationwide →

The 8 neurology physician records with the nearest ZIP codes

  1. Nicholas Avgeropoulos, MDOrlando, FL 328061881647378
  2. Victor Diaz Cotrina, M.D.Orlando, FL 328061235195744
  3. Daniel Jacobs, M.D.Orlando, FL 328061356323166
  4. Zafar Kaleem, M.D.Orlando, FL 328061720392111
  5. Justin Lindquist, M.D.Orlando, FL 328061457411944
  6. Khizar Malik, MDOrlando, FL 328061538185590
  7. Philip Miner, MDOrlando, FL 328061295845485
  8. Christian Rosado, MDOrlando, FL 328061871804468

Common questions

What is Mark Jeffrey Klafter, D.O.'s NPI number?

Mark Jeffrey Klafter, D.O.'s National Provider Identifier (NPI) is 1730161639, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Jeffrey Klafter, D.O. located?

The NPPES record lists a practice address at 3849 Oakwater Cir, Orlando, FL, 32806. Phone: (407) 240-1762. Providers update this record themselves, so call before visiting.

How can I verify Mark Jeffrey Klafter, D.O.'s license?

NPPES lists Florida license number OS6959, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Jeffrey Klafter, D.O. prescribe under Medicare Part D?

In 2024, Mark Jeffrey Klafter, D.O. had 1,726 Medicare Part D claims for 282 beneficiaries; the average among neurology physician prescribers was 1,370. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.