Mark Stanley Skalski, MD
Internal Medicine Physician · Springfield, MA
Mark Stanley Skalski, MD is an internal medicine physician with a practice address in Springfield, Massachusetts, and NPI 1467676478, issued on Apr 12, 2007. Check the license (Massachusetts 234168, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Stanley Skalski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 234168 MA
Self-reported in NPPES; status is on the state search - Practice location
- 305 Bicentennial Hwy, Springfield, MA 01118
- Phone
- (413) 733-4101
- Enumerated
- Apr 12, 2007
- Record last updated
- Apr 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (413) 796-6821
- Medicaid IDs
- 02272273 NY
2147581 MA - Medicare enrollment
- Enrolled (PECOS I20080407000202); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 305 Bicentennial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Armstrong, M.D.Internal Medicine Physician1508820275
- Michael Bartolo, APRNAcute Care Nurse Practitioner1356040620
- Karen Bourgeault, P.A.C.Physician Assistant1134184179
- Kyle Bruce, DPMPodiatrist1306137906
- Rebecca Brushwood, DOObstetrics & Gynecology Physician1689836199
- Christopher Cooper, PA-CPhysician Assistant1366925919
Verify Mark Stanley Skalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 234168Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
12,183 Medicare Part D claims for 1,088 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 679 claims were for opioids.
Most prescribed
- Atorvastatin Calcium954 claims
- Amlodipine Besylate707 claims
- Lisinopril558 claims
- Omeprazole526 claims
- Levothyroxine Sodium514 claims
- Losartan Potassium307 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 one group practice
- Riverbend Medical Group IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Stanley Skalski among 6,825 internal medicine physician records in Massachusetts
Mark Stanley Skalski, MD 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
- Graduated1998 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 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
- Kelly Armstrong, M.D.Springfield, MA 011181508820275
- Sangeeta Kumar, MDSpringfield, MA 011181578581237
- Alfred Piel, M.D.Springfield, MA 011181285697334
- Jennifer Piel, M.D.Springfield, MA 011181396039343
- David Artzerounian, M.D.Springfield, MA 011111851339162
- Michael Fulks, M.D.Springfield, MA 011111407977630
- Stephen Akinfenwa, MDSpringfield, MA 011091023750304
- Tahmina Begum, M.DSpringfield, MA 011091942641345
Common questions
What is Mark Stanley Skalski, MD's NPI number?
Mark Stanley Skalski, MD's National Provider Identifier (NPI) is 1467676478, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Stanley Skalski, MD located?
The NPPES record lists a practice address at 305 Bicentennial Hwy, Springfield, MA, 01118. Phone: (413) 733-4101. Providers update this record themselves, so call before visiting.
How can I verify Mark Stanley Skalski, MD's license?
NPPES lists Massachusetts license number 234168, 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 Stanley Skalski, MD prescribe under Medicare Part D?
In 2024, Mark Stanley Skalski, MD had 12,183 Medicare Part D claims for 1,088 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.