Karl Felber, DO
Family Medicine Physician · Pawtucket, RI
Karl Felber, DO is a family medicine physician with a practice address in Pawtucket, Rhode Island, and NPI 1275618498, issued on Oct 26, 2006. Check the license (Rhode Island D000412, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Karl Felber
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D000412 RI
Self-reported in NPPES; status is on the state search - Practice location
- 209 Armistice Blvd, Pawtucket, RI 02860
- Phone
- (401) 725-4100
- Enumerated
- Oct 26, 2006
- Record last updated
- Apr 7, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (401) 728-5010
- Medicaid ID
- 7002861 RI
- Medicare enrollment
- Enrolled (PECOS I20101103000322); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1988
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 475 in Rhode Island → Look up another NPI →
Also registered at 209 Armistice Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Anderson, M.D.Orthopaedic Surgery Physician1821088287
- Sarah Beaudet, NPFamily Nurse Practitioner1639991193
- Kristen Haviland, FNPFamily Nurse Practitioner1598137663
- Danielle Macdonald, PA-CPhysician Assistant1013796473
- Emmie Lou Roberts, PA-CPhysician Assistant1083275325
Verify Karl Felber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license D000412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
302 Medicare Part D claims for 175 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Prednisone37 claims
- Ibuprofen25 claims
- Azithromycin20 claims
- Meloxicam19 claims
- Sulfamethoxazole-Trimethoprim14 claims
- Doxycycline Monohydrate12 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
- Armistice Urgent Care And Occupational Health, Inc.Pawtucket, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl Felber among 475 family medicine physician records in Rhode Island
Karl Felber, DO is one of 475 family medicine physician records with a practice address in Rhode Island. 76% 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, 60% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1988 · median 2008 among the 282 with a school on file
- Record last updated2017 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 family medicine physician records list a practice address in Pawtucket
They are 81 of the 1,284 NPPES records with a practice address in Pawtucket, and 475 family medicine physician records in Rhode Island.
All 475 in Rhode Island → Every provider in Pawtucket → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matilda Addo, MDPawtucket, RI 028601649383241
- Gowri Anandarajah, MDPawtucket, RI 028601558342311
- David Anthony, MDPawtucket, RI 028601508847377
- Andrea Arena, MDPawtucket, RI 028601912972753
- Jeffrey Borkan, M.D.Pawtucket, RI 028601154304996
- Dawn Borschel, MDPawtucket, RI 028601124002365
- Rabin Chandran, MDPawtucket, RI 028601477536415
- Charles Eaton, MDPawtucket, RI 028601942283841
Common questions
What is Karl Felber, DO's NPI number?
Karl Felber, DO's National Provider Identifier (NPI) is 1275618498, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl Felber, DO located?
The NPPES record lists a practice address at 209 Armistice Blvd, Pawtucket, RI, 02860. Phone: (401) 725-4100. Providers update this record themselves, so call before visiting.
How can I verify Karl Felber, DO's license?
NPPES lists Rhode Island license number D000412, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl Felber, DO prescribe under Medicare Part D?
In 2024, Karl Felber, DO had 302 Medicare Part D claims for 175 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.