NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275618498
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 209 Armistice Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Anderson, M.D.Orthopaedic Surgery Physician1821088287
  2. Sarah Beaudet, NPFamily Nurse Practitioner1639991193
  3. Kristen Haviland, FNPFamily Nurse Practitioner1598137663
  4. Danielle Macdonald, PA-CPhysician Assistant1013796473
  5. Emmie Lou Roberts, PA-CPhysician Assistant1083275325

Verify Karl Felber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license D000412
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Rhode Island license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Karl Felber302
  2. Specialty average3,544

Most prescribed

  1. Prednisone37 claims
  2. Ibuprofen25 claims
  3. Azithromycin20 claims
  4. Meloxicam19 claims
  5. Sulfamethoxazole-Trimethoprim14 claims
  6. 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

  1. 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matilda Addo, MDPawtucket, RI 028601649383241
  2. Gowri Anandarajah, MDPawtucket, RI 028601558342311
  3. David Anthony, MDPawtucket, RI 028601508847377
  4. Andrea Arena, MDPawtucket, RI 028601912972753
  5. Jeffrey Borkan, M.D.Pawtucket, RI 028601154304996
  6. Dawn Borschel, MDPawtucket, RI 028601124002365
  7. Rabin Chandran, MDPawtucket, RI 028601477536415
  8. 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.