Charles J. McInnis, M.D.
Internal Medicine Physician · Westwood, MA
Charles J. McInnis, M.D. is an internal medicine physician with a practice address in Westwood, Massachusetts, and NPI 1346343969, issued on Sep 7, 2006. Check the license (Massachusetts 56701, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles J. McInnis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 56701 MA
Self-reported in NPPES; status is on the state search - Practice location
- 541 High Street, Westwood, MA 02090
- Phone
- (781) 326-1128
- Enumerated
- Sep 7, 2006
- Record last updated
- Nov 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 326-1438
- Medicaid ID
- 3005038 MA
- Medicare enrollment
- Enrolled (PECOS I20050330000551); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1983
- 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 541 High Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Cannon, MDPediatrics Physician1548385354
- Christine Coimbra, NPPediatric Nurse Practitioner1295104131
- Nicole Dion, APRN, MSN, CPNP-PCPediatric Nurse Practitioner1609597079
- Abby Levine, MDPediatrics Physician1437116654
- Meredith Liebman, MDPediatrics Physician1205031101
- Jonathan Starr, MDPediatrics Physician1598713687
Verify Charles J. McInnis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 56701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
423 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Buprenorphine-Naloxone163 claims
- Dextroamphetamine-Amphetamine64 claims
- Buprenorphine Hcl44 claims
- Gabapentin37 claims
- Dextroamphetamine-Amphet Er15 claims
- Alprazolam12 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.
Charles J. McInnis among 6,825 internal medicine physician records in Massachusetts
Charles J. McInnis, M.D. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1983 · median 2004 among the 4,103 with a school on file
- Record last updated2013 · 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).
3 internal medicine physician records list a practice address in Westwood
They are 3 of the 521 NPPES records with a practice address in Westwood, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Westwood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eric Diamond, M.D.Westwood, MA 020901285607861
- Donna Michelson, MDWestwood, MA 020901194712729
- Deepthi Desilva, MDWrentham, MA 020931184682759
- Iqubal Dhaliwal, M.D.Wrentham, MA 020931770694556
- Neal Friedman, MDWrentham, MA 020931194712257
- Marc Manigat, M.D.Wrentham, MA 020931629028659
- Donald Gedarovich, MDWalpole, MA 020811194811505
- Robert Kelliher, MDWalpole, MA 020811962495010
Common questions
What is Charles J. McInnis, M.D.'s NPI number?
Charles J. McInnis, M.D.'s National Provider Identifier (NPI) is 1346343969, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles J. McInnis, M.D. located?
The NPPES record lists a practice address at 541 High Street, Westwood, MA, 02090. Phone: (781) 326-1128. Providers update this record themselves, so call before visiting.
How can I verify Charles J. McInnis, M.D.'s license?
NPPES lists Massachusetts license number 56701, 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 Charles J. McInnis, M.D. prescribe under Medicare Part D?
In 2024, Charles J. McInnis, M.D. had 423 Medicare Part D claims for 33 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.