Eric Lloyd Knutson, MD
Internal Medicine Physician · Fitchburg, MA
Eric Lloyd Knutson, MD is an internal medicine physician with a practice address in Fitchburg, Massachusetts, and NPI 1932190691, issued on Nov 2, 2005. Check the license (Massachusetts 47339, 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
- Eric Lloyd Knutson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47339 MA
Self-reported in NPPES; status is on the state search - Practice location
- 370 Lunenburg St, Fitchburg, MA 01420
- Phone
- (978) 342-6018
- Enumerated
- Nov 2, 2005
- Record last updated
- Feb 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (978) 343-4281
- Medicaid ID
- 2099284 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 370 Lunenburg St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Coates, M.D.Family Medicine Physician1003137217
- Kate Cosgrove, DOFamily Medicine Physician1871052639
- Danilo Funa, M.D.Internal Medicine Physician1235184102
- Anne Lipton, M.D.Internal Medicine Physician1902838170
- Erica Magaziner, NPFamily Nurse Practitioner1497130744
- Valerie Rivera-SantiagoCounselor1760870828
Verify Eric Lloyd Knutson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 47339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Eric Lloyd Knutson among 6,825 internal medicine physician records in Massachusetts
Eric Lloyd Knutson, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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).
11 internal medicine physician records list a practice address in Fitchburg
They are 11 of the 1,119 NPPES records with a practice address in Fitchburg, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,825 in Massachusetts → Every provider in Fitchburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Knute Alfredson, MDFitchburg, MA 014201003922576
- Jesus Blanco, M.D.Fitchburg, MA 014201275590473
- Roberto Carcamo-Sanabria, MDFitchburg, MA 014201841308616
- Danilo Funa, M.D.Fitchburg, MA 014201235184102
- Anne Lipton, M.D.Fitchburg, MA 014201902838170
- Vasuki Radhakrishnan, M.D.Fitchburg, MA 014201982665089
- Marianna Sarnik, MDFitchburg, MA 014201427098144
- Vu Hoang Tran, MDFitchburg, MA 014201619473485
Common questions
What is Eric Lloyd Knutson, MD's NPI number?
Eric Lloyd Knutson, MD's National Provider Identifier (NPI) is 1932190691, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Eric Lloyd Knutson, MD located?
The NPPES record lists a practice address at 370 Lunenburg St, Fitchburg, MA, 01420. Phone: (978) 342-6018. Providers update this record themselves, so call before visiting.
How can I verify Eric Lloyd Knutson, MD's license?
NPPES lists Massachusetts license number 47339, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.