Mark Steven Schaner, D.O.
Internal Medicine Physician · Springfield, MA
Mark Steven Schaner, D.O. is an internal medicine physician with a practice address in Springfield, Massachusetts, and NPI 1760681639, issued on Jul 12, 2007. Check the license (Massachusetts 295354, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Steven Schaner
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 295354 MA
48493 CT
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St # C3350, Springfield, MA 01107
- Phone
- (413) 794-6297
- Enumerated
- Jul 12, 2007
- Record last updated
- Mar 31, 2025
- Fax
- (413) 794-1767
- Medicare enrollment
- Enrolled (PECOS I20221125000236); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut St # C3350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mina Iskandar, MDInternal Medicine Physician1851964050
Verify Mark Steven Schaner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 295354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
780 Medicare Part D claims for 318 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium45 claims
- Prednisone38 claims
- Amlodipine Besylate34 claims
- Eliquis30 claims
- Alendronate Sodium27 claims
- Hydrochlorothiazide25 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
- Baystate Medical Practices IncGreenfield, MA
- University OF Connecticut Health CenterFarmington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Steven Schaner among 6,825 internal medicine physician records in Massachusetts
Mark Steven Schaner, D.O. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
282 internal medicine physician records list a practice address in Springfield
They are 282 of the 8,553 NPPES records with a practice address in Springfield, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronald Berger, MDSpringfield, MA 011071649263286
- Greta Boynton, M.D.Springfield, MA 011071801854773
- Elizabeth Eagleson, M.D.Springfield, MA 011071538139993
- John Egelhofer, MDSpringfield, MA 011071972595775
- David Fanti, MDSpringfield, MA 011071396737904
- Philip Gaziano, MDSpringfield, MA 011071043275001
- Howard Goldberg, M.D.Springfield, MA 011071457331050
- James Hession, MDSpringfield, MA 011071588656193
Common questions
What is Mark Steven Schaner, D.O.'s NPI number?
Mark Steven Schaner, D.O.'s National Provider Identifier (NPI) is 1760681639, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Steven Schaner, D.O. located?
The NPPES record lists a practice address at 759 Chestnut St # C3350, Springfield, MA, 01107. Phone: (413) 794-6297. Providers update this record themselves, so call before visiting.
How can I verify Mark Steven Schaner, D.O.'s license?
NPPES lists Massachusetts license number 295354, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Steven Schaner, D.O. prescribe under Medicare Part D?
In 2024, Mark Steven Schaner, D.O. had 780 Medicare Part D claims for 318 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.