Caroline Alper, M.D.
Internal Medicine Physician · Worcester, MA
Caroline Alper, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1134228992, issued on Sep 21, 2006. Check the license (Massachusetts 150126, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Caroline Alper
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 150126 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Century Dr, Worcester, MA 01606
- Phone
- (508) 421-5915
- Enumerated
- Sep 21, 2006
- Entity
- Type 1 · individual
Also registered at 100 Century Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arun Abraham, MDStudent in an Organized Health Care Education/Training Program1417897414
- Bhavana Aitha, DOStudent in an Organized Health Care Education/Training Program1679323414
- Jason Alan, PSY.D.Clinical Psychologist1922742469
- Melissa Anderson, PH.D.Clinical Psychologist1043559099
- Kathryn Andersson, CNPNurse Practitioner1811629843
- Ines Basten, MDStudent in an Organized Health Care Education/Training Program1154884963
Verify Caroline Alper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 150126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
513 internal medicine physician records list a Worcester practice address
They are 513 of the 13,166 NPPES records with a Worcester practice address, and 7,865 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 513 in Worcester → All 7,865 in Massachusetts → Every provider in Worcester →
Other internal medicine physician records in Massachusetts
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- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Salah Abdelgadir, MDBoston, MA1891280954
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Caroline Alper, M.D.'s NPI number?
Caroline Alper, M.D.'s National Provider Identifier (NPI) is 1134228992, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Alper, M.D. located?
The NPPES record lists a practice address at 100 Century Dr, Worcester, MA, 01606. Phone: (508) 421-5915. Providers update this record themselves, so call before visiting.
How can I verify Caroline Alper, M.D.'s license?
NPPES lists Massachusetts license number 150126, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.