Mark Slaven, MD
Psychiatry Physician · Oneida, NY
Mark Slaven, MD is a psychiatry physician with a practice address in Oneida, New York, and NPI 1750498416, issued on Aug 25, 2006. Check the license (New York 1964691, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Slaven
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 1964691 NY
Self-reported in NPPES; status is on the state search - Practice location
- 607 Seneca St, Oneida, NY 13421
- Phone
- (315) 363-8050
- Enumerated
- Aug 25, 2006
- Record last updated
- Jan 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (315) 363-9286
- Medicaid ID
- 01613749 NY
- Medicare enrollment
- Enrolled (PECOS I20050824000858); may accept Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify Mark Slaven in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 1964691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12.0 times the Medicare Part D claims of the average psychiatry physician in 2024
11,975 Medicare Part D claims for 746 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Risperidone883 claims
- Buspirone Hcl834 claims
- Sertraline Hcl717 claims
- Divalproex Sodium690 claims
- Fluoxetine Hcl636 claims
- Lithium Carbonate620 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.
Bills Medicare through 2 group practices
- Nysarc Inc.Oneida, NY
- State OF New York Comptrollers OfficeRome, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Slaven among 6,589 psychiatry physician records in New York
Mark Slaven, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1987 · median 2002 among the 2,559 with a school on file
- Record last updated2019 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in New York
There are 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Oneida → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kishor Sangani, M.D.New Hartford, NY 134131770731846
- Nalin Sinha, MDNew Hartford, NY 134131417958307
- Daniel Uwah, M.D.New Hartford, NY 134131457433534
- Samuel Westmoreland, M.D.New Hartford, NY 134131194987701
- Tessie AbastillasMarcy, NY 134041801098496
- Diane BaynonMarcy, NY 134041053513648
- Edward ChungMarcy, NY 134041962604553
- Erin Halligan-McCalebMarcy, NY 134041871795468
Common questions
What is Mark Slaven, MD's NPI number?
Mark Slaven, MD's National Provider Identifier (NPI) is 1750498416, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Slaven, MD located?
The NPPES record lists a practice address at 607 Seneca St, Oneida, NY, 13421. Phone: (315) 363-8050. Providers update this record themselves, so call before visiting.
How can I verify Mark Slaven, MD's license?
NPPES lists New York license number 1964691, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Slaven, MD prescribe under Medicare Part D?
In 2024, Mark Slaven, MD had 11,975 Medicare Part D claims for 746 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.