Matthew W. Parker, M.D.
Cardiovascular Disease Physician · Worcester, MA
Matthew W. Parker, M.D. is a cardiovascular disease physician with a practice address in Worcester, Massachusetts, and NPI 1386897817, issued on Oct 28, 2008. Check the license (Massachusetts 235308, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Matthew W. Parker
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 235308 MA
048896 CT
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-3452
- Enumerated
- Oct 28, 2008
- Record last updated
- Jul 2, 2025
- Fax
- (774) 441-7657
- Medicaid ID
- 110104590A MA
- Medicare enrollment
- Enrolled (PECOS I20151002001859); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Matthew W. Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 235308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,425 Medicare Part D claims for 262 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Metoprolol Succinate198 claims
- Atorvastatin Calcium162 claims
- Amlodipine Besylate121 claims
- Eliquis82 claims
- Lisinopril78 claims
- Spironolactone58 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.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew W. Parker among 1,080 cardiovascular disease physician records in Massachusetts
Matthew W. Parker, M.D. is one of 1,080 cardiovascular disease 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 2008, is newer than 64% of them.
- NPI issued2008 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2006 · median 2001 among the 698 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Massachusetts
There are 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Worcester → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Gerard Aurigemma, M.D.Worcester, MA 016551487637062
- Naomi Botkin, M.D.Worcester, MA 016551831172766
- Henri Cuenoud, M.D.Worcester, MA 016551548244601
- Seth Dahlberg, M.D.Worcester, MA 016551639152564
- Timothy Fitzgibbons, M.D.Worcester, MA 016551710911565
- Peter Gibson, MDWorcester, MA 016551528028057
- Joel Gore, M.D.Worcester, MA 016551659354132
- Michael Hyder, MDWorcester, MA 016551770527491
Common questions
What is Matthew W. Parker, M.D.'s NPI number?
Matthew W. Parker, M.D.'s National Provider Identifier (NPI) is 1386897817, issued on Oct 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew W. Parker, M.D. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-3452. Providers update this record themselves, so call before visiting.
How can I verify Matthew W. Parker, M.D.'s license?
NPPES lists Massachusetts license number 235308, 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 Matthew W. Parker, M.D. prescribe under Medicare Part D?
In 2024, Matthew W. Parker, M.D. had 1,425 Medicare Part D claims for 262 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Matthew W. Parker, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.