Dennis M. Knapik, M.D.
Internal Medicine Physician · Glastonbury, CT
Dennis M. Knapik, M.D. is an internal medicine physician with a practice address in Glastonbury, Connecticut, and NPI 1336147602, issued on Jul 12, 2005. Check the license (Connecticut 79569, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Dennis M. Knapik
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 79569 CT
108559 MO
DR.0071908 CO
0451631 KS
Self-reported in NPPES; status is on the state search - Practice location
- 320 Western Blvd Ste 104, Glastonbury, CT 06033
- Phone
- (860) 633-2487
- Enumerated
- Jul 12, 2005
- Record last updated
- Jul 29, 2026
- Fax
- (860) 633-1793
- Medicaid ID
- 203859707 MO
- Medicare enrollment
- Enrolled (PECOS I20250925000843); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 320 Western Blvd Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Doralynne Di Pasquale, D.O.Family Medicine Physician1235429697
- Lina Garcia, AGPCNP-CGerontology Nurse Practitioner1235606443
- Maria HaslipPrimary Care Nurse Practitioner1942829015
- Aericka Khongdy, APRNNurse Practitioner1710234448
- Shanaaz Mohammed, M.D.Internal Medicine Physician1245426626
Verify Dennis M. Knapik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 79569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
983 Medicare Part D claims for 231 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Levothyroxine Sodium29 claims
- Atorvastatin Calcium27 claims
- Diclofenac Sodium27 claims
- Gabapentin26 claims
- Tramadol Hcl24 claims
- Pantoprazole Sodium23 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lawrence Physicians LLCLawrence, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis M. Knapik among 2,623 internal medicine physician records in Connecticut
Dennis M. Knapik, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 1,646 with a school on file
- Record last updated2026 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Glastonbury
They are 24 of the 960 NPPES records with a practice address in Glastonbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Glastonbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Abriola, MDGlastonbury, CT 060331083693022
- Richard Graniero, MDGlastonbury, CT 060331164538419
- Stuart Herlands, MDGlastonbury, CT 060331336150309
- Devika Kasaraneni, MDGlastonbury, CT 060331366454795
- Melissa Klaus, MDGlastonbury, CT 060331124136353
- Charles Leach, MDGlastonbury, CT 060331720091788
- Angela Petronio, MDGlastonbury, CT 060331699881284
- John Price, MDGlastonbury, CT 060331245243203
Common questions
What is Dennis M. Knapik, M.D.'s NPI number?
Dennis M. Knapik, M.D.'s National Provider Identifier (NPI) is 1336147602, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis M. Knapik, M.D. located?
The NPPES record lists a practice address at 320 Western Blvd Ste 104, Glastonbury, CT, 06033. Phone: (860) 633-2487. Providers update this record themselves, so call before visiting.
How can I verify Dennis M. Knapik, M.D.'s license?
NPPES lists Connecticut license number 79569, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dennis M. Knapik, M.D. prescribe under Medicare Part D?
In 2024, Dennis M. Knapik, M.D. had 983 Medicare Part D claims for 231 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Dennis M. Knapik, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.5 of 100, reported for the practice group. 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.