William K. Marinis, PA
Medical Physician Assistant · Saranac Lake, NY
William K. Marinis, PA is a medical physician assistant with a practice address in Saranac Lake, New York, and NPI 1114928165, issued on Aug 2, 2005. Check the license (New York 004181, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William K. Marinis
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 004181 NY
Self-reported in NPPES; status is on the state search - Practice location
- 309 County Route 47, Saranac Lake, NY 12983
- Phone
- (518) 891-2688
- Enumerated
- Aug 2, 2005
- Record last updated
- Oct 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (518) 891-4120
- Medicare enrollment
- Enrolled (PECOS I20040127000456); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 309 County Route 47
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Hixson, RN CS ANPAdult Health Nurse Practitioner1689666729
- Barry Kilbourne, MDInternal Medicine Physician1619977675
- Irwin Lieb, MDUrology Physician1447242920
- Deborah Marshall, NP-CFamily Nurse Practitioner1265748859
- James Merrick, MDAllergy & Immunology Physician1700890878
Verify William K. Marinis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 004181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average medical physician assistant in 2024
388 Medicare Part D claims for 35 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Buprenorphine-Naloxone82 claims
- Dextroamphetamine-Amphet Er53 claims
- Gabapentin35 claims
- Fluoxetine Hcl22 claims
- Bupropion Xl21 claims
- Prosol14 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: $92.08
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 16,165 providers of this specialty with any payment received $1,055.00 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 one group practice
- Adirondack Medical CenterSaranac Lake, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Physician Assistant providers in New York
There are 3,670 medical physician assistant records in New York.
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Common questions
What is William K. Marinis, PA's NPI number?
William K. Marinis, PA's National Provider Identifier (NPI) is 1114928165, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William K. Marinis, PA located?
The NPPES record lists a practice address at 309 County Route 47, Saranac Lake, NY, 12983. Phone: (518) 891-2688. Providers update this record themselves, so call before visiting.
How can I verify William K. Marinis, PA's license?
NPPES lists New York license number 004181, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does William K. Marinis, PA prescribe under Medicare Part D?
In 2024, William K. Marinis, PA had 388 Medicare Part D claims for 35 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.