Dainius Juknelis, MD
Internal Medicine Physician · Natick, MA
Dainius Juknelis, MD is an internal medicine physician with a practice address in Natick, Massachusetts, and NPI 1073731501, issued on Apr 22, 2007. Check the license (Massachusetts 238921, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Dainius Juknelis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 238921 MA
Self-reported in NPPES; status is on the state search - Practice location
- 67 Union St Ste 407, Natick, MA 01760
- Phone
- (508) 881-3029
- Enumerated
- Apr 22, 2007
- Record last updated
- Oct 31, 2023
- Fax
- (508) 650-9413
- Medicare enrollment
- Enrolled (PECOS I20090625000643); accepts Medicare assignment
- 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 67 Union St Ste 407
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberley Arouyan, FNP-CFamily Medicine Physician1316731474
- Rodrigo Rocha, M.D.Internal Medicine Physician1619186319
Verify Dainius Juknelis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 238921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,327 Medicare Part D claims for 564 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium657 claims
- Amlodipine Besylate370 claims
- Levothyroxine Sodium351 claims
- Omeprazole338 claims
- Metoprolol Succinate281 claims
- Lisinopril272 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.
Bills Medicare through one group practice
- Charles River Medical Associates, PCFramingham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dainius Juknelis among 6,825 internal medicine physician records in Massachusetts
Dainius Juknelis, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 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).
22 internal medicine physician records list a practice address in Natick
They are 22 of the 1,154 NPPES records with a practice address in Natick, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Natick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kathlyne Anderson, MDNatick, MA 017601982669925
- Prakash Bandari, M.D.Natick, MA 017601407812084
- Karen-Gail Brandse, MDNatick, MA 017601588645790
- David Gdula, MDNatick, MA 017601558382705
- L Kaplan, MDNatick, MA 017601992826648
- Raul Laguarda, MDNatick, MA 017601427013242
- Simone Mordas, MDNatick, MA 017601073507984
- Wendy Parker, M.D.Natick, MA 017601013087659
Common questions
What is Dainius Juknelis, MD's NPI number?
Dainius Juknelis, MD's National Provider Identifier (NPI) is 1073731501, issued on Apr 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dainius Juknelis, MD located?
The NPPES record lists a practice address at 67 Union St Ste 407, Natick, MA, 01760. Phone: (508) 881-3029. Providers update this record themselves, so call before visiting.
How can I verify Dainius Juknelis, MD's license?
NPPES lists Massachusetts license number 238921, 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 Dainius Juknelis, MD prescribe under Medicare Part D?
In 2024, Dainius Juknelis, MD had 7,327 Medicare Part D claims for 564 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.