Mark L. Schrank, MD
Internal Medicine Physician · Worcester, MA
Mark L. Schrank, MD is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1801870258, issued on Nov 30, 2005. Check the license (Massachusetts 54140, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark L. Schrank
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54140 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Neponset St, Worcester, MA 01606
- Phone
- (508) 595-2300
- Enumerated
- Nov 30, 2005
- Record last updated
- Sep 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (508) 853-5226
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 5 Neponset St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheila Abdallah, MDFamily Medicine Physician1821356312
- Caroline Anastasi, LMHCMental Health Counselor1881140788
- Nicole Barr, NPFamily Nurse Practitioner1700524873
- Kern Bayard, MDInternal Medicine Physician1699777888
- Wendy Bergman, MDInternal Medicine Physician1083674451
- Irene Blair, NPNurse Practitioner1558337824
Verify Mark L. Schrank in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 54140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Eliquis12 claims
- Famotidine12 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.
Mark L. Schrank among 6,825 internal medicine physician records in Massachusetts
Mark L. Schrank, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2018 · 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).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Caroline Alper, M.D.Worcester, MA 016061134228992
- Kern Bayard, MDWorcester, MA 016061699777888
- Wendy Bergman, MDWorcester, MA 016061083674451
- Lawrence Garber, MDWorcester, MA 016061912971037
- Kripa Gautam, MDWorcester, MA 016061447712815
- Frederick Georgian, MDWorcester, MA 016061205890746
- George Groussis, MDWorcester, MA 016061184690992
- Robert Honig, MDWorcester, MA 016061386610467
Common questions
What is Mark L. Schrank, MD's NPI number?
Mark L. Schrank, MD's National Provider Identifier (NPI) is 1801870258, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark L. Schrank, MD located?
The NPPES record lists a practice address at 5 Neponset St, Worcester, MA, 01606. Phone: (508) 595-2300. Providers update this record themselves, so call before visiting.
How can I verify Mark L. Schrank, MD's license?
NPPES lists Massachusetts license number 54140, 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 L. Schrank, MD prescribe under Medicare Part D?
In 2024, Mark L. Schrank, MD had 43 Medicare Part D claims; 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.